module.exports = {
    "multiline-import-specifiers": {
        meta: {
            type: "layout",
            fixable: "whitespace",
            schema: []
        },
        create(context) {
            return {
                ImportDeclaration(node) {
                    const specifiers = node.specifiers.filter(
                        s => s.type === "ImportSpecifier"
                    );

                    if (specifiers.length <= 1) return;

                    const sourceCode = context.getSourceCode();

                    for (let i = 0; i < specifiers.length - 1; i++) {
                        const current = specifiers[i];
                        const next = specifiers[i + 1];

                        if (current.loc.end.line === next.loc.start.line) {
                            context.report({
                                node: next,
                                message: "Each import specifier should be on a new line",
                                fix(fixer) {
                                    const comma = sourceCode.getTokenBefore(next);
                                    return fixer.replaceTextRange(
                                        [
                                            comma.range[1],
                                            next.range[0]
                                        ],
                                        "\n    "
                                    );
                                }
                            });
                        }
                    }

                    const lastSpecifier = specifiers[specifiers.length - 1];
                    const tokenAfter = sourceCode.getTokenAfter(lastSpecifier);

                    if (tokenAfter && tokenAfter.value === ",") {
                        context.report({
                            node: lastSpecifier,
                            message: "No trailing comma in imports",
                            fix(fixer) {
                                return fixer.remove(tokenAfter);
                            }
                        });
                    }
                }
            };
        }
    },
    "multiline-object-properties": {
        meta: {
            type: "layout",
            fixable: "whitespace",
            schema: []
        },
        create(context) {
            const sourceCode = context.getSourceCode();

            function checkProperties(node, properties) {
                if (properties.length === 0) return;

                const openBrace = sourceCode.getFirstToken(node);

                let closingBraceToken = sourceCode.getTokenAfter(properties[properties.length - 1]);
                while (closingBraceToken && closingBraceToken.value !== "}") {
                    closingBraceToken = sourceCode.getTokenAfter(closingBraceToken);
                }
                const closingBrace = closingBraceToken;

                if (openBrace.loc.start.line === closingBrace.loc.end.line) return;

                const firstProperty = properties[0];

                if (openBrace.loc.end.line !== firstProperty.loc.start.line - 1) {
                    context.report({
                        node: firstProperty,
                        message: "First property should be exactly on the next line",
                        fix(fixer) {
                            const openBraceLine = sourceCode.lines[openBrace.loc.start.line - 1];
                            const baseIndent = openBraceLine.match(/^\s*/)[0];
                            const indent = baseIndent + "    ";

                            return fixer.replaceTextRange(
                                [
                                    openBrace.range[1],
                                    firstProperty.range[0]
                                ],
                                "\n" + indent
                            );
                        }
                    });
                }

                if (properties.length > 1) {
                    for (let i = 0; i < properties.length - 1; i++) {
                        const current = properties[i];
                        const next = properties[i + 1];

                        if (current.loc.end.line !== next.loc.start.line - 1) {
                            context.report({
                                node: next,
                                message: "Each property should be exactly on the next line (no empty lines)",
                                fix(fixer) {
                                    const openBraceLine = sourceCode.lines[openBrace.loc.start.line - 1];
                                    const baseIndent = openBraceLine.match(/^\s*/)[0];
                                    const indent = baseIndent + "    ";

                                    const comma = sourceCode.getTokenBefore(next);

                                    return fixer.replaceTextRange(
                                        [
                                            comma.range[1],
                                            next.range[0]
                                        ],
                                        "\n" + indent
                                    );
                                }
                            });
                        }
                    }
                }

                const lastProperty = properties[properties.length - 1];

                if (lastProperty.loc.end.line !== closingBrace.loc.start.line - 1) {
                    context.report({
                        node: closingBrace,
                        message: "Object closing brace should be exactly on the next line",
                        fix(fixer) {
                            const openBraceLine = sourceCode.lines[openBrace.loc.start.line - 1];
                            const baseIndent = openBraceLine.match(/^\s*/)[0];

                            // Be careful about trailing comma
                            const tokenAfter = sourceCode.getTokenAfter(lastProperty);
                            const hasTrailingComma = tokenAfter && tokenAfter.value === ",";
                            const startRange = hasTrailingComma ? tokenAfter.range[1] : lastProperty.range[1];

                            return fixer.replaceTextRange(
                                [
                                    startRange,
                                    closingBrace.range[0]
                                ],
                                "\n" + baseIndent
                            );
                        }
                    });
                }

                const tokenAfter = sourceCode.getTokenAfter(lastProperty);
                if (tokenAfter && tokenAfter.value === ",") {
                    context.report({
                        node: lastProperty,
                        message: "No trailing comma in objects",
                        fix(fixer) {
                            return fixer.remove(tokenAfter);
                        }
                    });
                }
            }

            return {
                ObjectExpression(node) {
                    checkProperties(node, node.properties);
                },
                ObjectPattern(node) {
                    checkProperties(node, node.properties);
                }
            };
        }
    },
    "multiline-jsx-attributes": {
        meta: {
            type: "layout",
            fixable: "whitespace",
            schema: []
        },
        create(context) {
            const sourceCode = context.getSourceCode();

            return {
                JSXOpeningElement(node) {
                    if (node.attributes.length === 0) return;

                    const firstToken = sourceCode.getFirstToken(node);
                    const tagNameToken = sourceCode.getTokenAfter(firstToken);
                    const firstAttr = node.attributes[0];

                    if (tagNameToken.loc.end.line !== firstAttr.loc.start.line - 1) {
                        context.report({
                            node: firstAttr,
                            message: "First JSX attribute should be exactly on the next line",
                            fix(fixer) {
                                const openBraceLine = sourceCode.lines[firstToken.loc.start.line - 1];
                                const baseIndent = openBraceLine.match(/^\s*/)[0];
                                const indent = baseIndent + "    ";

                                return fixer.replaceTextRange(
                                    [
                                        tagNameToken.range[1],
                                        firstAttr.range[0]
                                    ],
                                    "\n" + indent
                                );
                            }
                        });
                    }

                    for (let i = 0; i < node.attributes.length - 1; i++) {
                        const current = node.attributes[i];
                        const next = node.attributes[i + 1];

                        if (current.loc.end.line !== next.loc.start.line - 1) {
                            context.report({
                                node: next,
                                message: "Each JSX attribute should be exactly on the next line (no empty lines)",
                                fix(fixer) {
                                    const openBraceLine = sourceCode.lines[firstToken.loc.start.line - 1];
                                    const baseIndent = openBraceLine.match(/^\s*/)[0];
                                    const indent = baseIndent + "    ";

                                    return fixer.replaceTextRange(
                                        [
                                            current.range[1],
                                            next.range[0]
                                        ],
                                        "\n" + indent
                                    );
                                }
                            });
                        }
                    }

                    const lastAttr = node.attributes[node.attributes.length - 1];

                    const allTokens = [];
                    let currentToken = sourceCode.getTokenAfter(lastAttr);

                    while (currentToken && currentToken.range[1] <= node.range[1]) {
                        allTokens.push(currentToken);
                        currentToken = sourceCode.getTokenAfter(currentToken);
                    }

                    const closingBracket = allTokens[allTokens.length - 1];

                    // Check if self-closing slash is present
                    let hasSelfClosingSlash = false;
                    let slashToken = null;

                    if (node.selfClosing && allTokens.length >= 2) {
                        slashToken = allTokens[allTokens.length - 2];
                        if (slashToken && slashToken.value === "/") {
                            hasSelfClosingSlash = true;
                        }
                    }

                    if (hasSelfClosingSlash) {
                        if (lastAttr.loc.end.line !== slashToken.loc.start.line - 1) {
                            context.report({
                                node: slashToken,
                                message: "JSX closing slash should be exactly on the next line",
                                fix(fixer) {
                                    const openBraceLine = sourceCode.lines[firstToken.loc.start.line - 1];
                                    const baseIndent = openBraceLine.match(/^\s*/)[0];
                                    return fixer.replaceTextRange(
                                        [
                                            lastAttr.range[1],
                                            slashToken.range[0]
                                        ],
                                        "\n" + baseIndent
                                    );
                                }
                            });
                        }
                    } else {
                        if (lastAttr.loc.end.line !== closingBracket.loc.start.line - 1) {
                            context.report({
                                node: closingBracket,
                                message: "JSX closing bracket should be exactly on the next line",
                                fix(fixer) {
                                    const openBraceLine = sourceCode.lines[firstToken.loc.start.line - 1];
                                    const baseIndent = openBraceLine.match(/^\s*/)[0];
                                    return fixer.replaceTextRange(
                                        [
                                            lastAttr.range[1],
                                            closingBracket.range[0]
                                        ],
                                        "\n" + baseIndent
                                    );
                                }
                            });
                        }
                    }
                }
            };
        }
    },
    "multiline-array-elements": {
        meta: {
            type: "layout",
            fixable: "whitespace",
            schema: []
        },
        create(context) {
            const sourceCode = context.getSourceCode();

            return {
                ArrayExpression(node) {
                    if (node.elements.length === 0) return;

                    const openBracket = sourceCode.getFirstToken(node);
                    const closingBracket = sourceCode.getLastToken(node);

                    if (openBracket.loc.start.line === closingBracket.loc.end.line) return;

                    const firstElement = node.elements[0];

                    if (openBracket.loc.end.line !== firstElement.loc.start.line - 1) {
                        context.report({
                            node: firstElement,
                            message: "First array element should be exactly on the next line",
                            fix(fixer) {
                                const openBracketLine = sourceCode.lines[openBracket.loc.start.line - 1];
                                const baseIndent = openBracketLine.match(/^\s*/)[0];
                                const indent = baseIndent + "    ";

                                return fixer.replaceTextRange(
                                    [
                                        openBracket.range[1],
                                        firstElement.range[0]
                                    ],
                                    "\n" + indent
                                );
                            }
                        });
                    }

                    for (let i = 0; i < node.elements.length - 1; i++) {
                        const current = node.elements[i];
                        const next = node.elements[i + 1];

                        if (!current || !next) continue;

                        if (current.loc.end.line !== next.loc.start.line - 1) {
                            context.report({
                                node: next,
                                message: "Each array element should be exactly on the next line (no empty lines)",
                                fix(fixer) {
                                    const openBracketLine = sourceCode.lines[openBracket.loc.start.line - 1];
                                    const baseIndent = openBracketLine.match(/^\s*/)[0];
                                    const indent = baseIndent + "    ";

                                    const comma = sourceCode.getTokenBefore(next);

                                    return fixer.replaceTextRange(
                                        [
                                            comma.range[1],
                                            next.range[0]
                                        ],
                                        "\n" + indent
                                    );
                                }
                            });
                        }
                    }

                    const lastElement = node.elements[node.elements.length - 1];

                    if (lastElement && lastElement.loc.end.line !== closingBracket.loc.start.line - 1) {
                        context.report({
                            node: closingBracket,
                            message: "Array closing bracket should be exactly on the next line",
                            fix(fixer) {
                                const openBracketLine = sourceCode.lines[openBracket.loc.start.line - 1];
                                const baseIndent = openBracketLine.match(/^\s*/)[0];

                                const tokenAfter = sourceCode.getTokenAfter(lastElement);
                                const hasTrailingComma = tokenAfter && tokenAfter.value === ",";
                                const startRange = hasTrailingComma ? tokenAfter.range[1] : lastElement.range[1];

                                return fixer.replaceTextRange(
                                    [
                                        startRange,
                                        closingBracket.range[0]
                                    ],
                                    "\n" + baseIndent
                                );
                            }
                        });
                    }

                    const tokenAfter = sourceCode.getTokenAfter(lastElement);

                    if (tokenAfter && tokenAfter.value === "," && tokenAfter.range[1] <= closingBracket.range[0]) {
                        context.report({
                            node: lastElement,
                            message: "No trailing comma in arrays",
                            fix(fixer) {
                                return fixer.remove(tokenAfter);
                            }
                        });
                    }
                }
            };
        }
    },
    "custom-import-order": {
        meta: {
            type: "suggestion",
            fixable: "code",
            schema: []
        },
        create(context) {
            const sourceCode = context.getSourceCode();
            const imports = [];

            return {
                ImportDeclaration(node) {
                    imports.push(node);
                },
                "Program:exit"() {
                    if (imports.length <= 1) return;

                    const categorized = categorizeImports(imports, sourceCode);

                    for (let i = 0; i < imports.length - 1; i++) {
                        const current = imports[i];
                        const next = imports[i + 1];

                        const currentCategory = getImportCategory(current, sourceCode);
                        const nextCategory = getImportCategory(next, sourceCode);

                        if (currentCategory > nextCategory) {
                            context.report({
                                node: next,
                                message: `Import from "${next.source.value}" should come before "${current.source.value}"`,
                                fix(fixer) {
                                    return fixImportOrder(fixer, imports, categorized, sourceCode);
                                }
                            });
                            break;
                        }
                    }
                }
            };

            function getImportCategory(node, sourceCode) {
                const source = node.source.value;
                const code = sourceCode.getText(node);

                if (source === "react") return 1;

                if (source === "react-native") return 2;

                if (source.startsWith("./")) {
                    if (code.includes("import type") || source.includes(".types") || source.includes("/type")) {
                        return 3.1;
                    }

                    if (source.includes("style") || source.includes("Style")) {
                        return 3.2;
                    }

                    return 3.3;
                }

                const specifiers = node.specifiers
                    .filter(s => s.type === "ImportSpecifier")
                    .map(s => s.imported ? s.imported.name : "");

                const hasNCoreHook = specifiers.some(name => name.startsWith("NCore"));
                const hasUseHook = specifiers.some(name => name.startsWith("use"));

                if (hasNCoreHook) return 4.1;
                if (hasUseHook) return 4.2;

                if (code.includes("import type") || source.includes("/types/") || source.includes("/type") || source.includes(".types")) {
                    return 5;
                }

                if (source.startsWith("@/") || source.startsWith("~/")) return 6.3;
                if (!source.startsWith(".")) return 6.1;
                if (source.startsWith("../")) return 6.2;

                return 6.4;
            }

            function categorizeImports(imports, sourceCode) {
                return imports.map(imp => ({
                    node: imp,
                    category: getImportCategory(imp, sourceCode),
                    source: imp.source.value
                })).sort((a, b) => {
                    if (a.category !== b.category) {
                        return a.category - b.category;
                    }

                    return a.source.localeCompare(b.source);
                });
            }

            function fixImportOrder(fixer, imports, categorized, sourceCode) {
                const firstImport = imports[0];
                const lastImport = imports[imports.length - 1];

                const rangeStart = firstImport.range[0];
                const rangeEnd = lastImport.range[1];

                let newImports = "";

                categorized.forEach((imp, index) => {
                    newImports += sourceCode.getText(imp.node);

                    if (index < categorized.length - 1) {
                        newImports += "\n";
                    }
                });

                return fixer.replaceTextRange([
                    rangeStart,
                    rangeEnd
                ], newImports);
            }
        }
    },
    "multiline-jsx-children": {
        meta: {
            type: "layout",
            fixable: "whitespace",
            schema: []
        },
        create(context) {
            return {
                JSXElement(node) {
                    if (!node.closingElement) return;
                    if (node.children.length === 0) return;

                    const meaningfulChildren = node.children.filter(child => {
                        if (child.type === "JSXText" && child.value.trim() === "") return false;
                        return true;
                    });

                    if (meaningfulChildren.length === 0) return;

                    const openingElement = node.openingElement;
                    const closingElement = node.closingElement;
                    const isMultilineOpening = openingElement.loc.start.line !== openingElement.loc.end.line;

                    if (!isMultilineOpening) return;

                    const sourceCode = context.getSourceCode();

                    if (meaningfulChildren.length === 1 && meaningfulChildren[0].type === "JSXText") {
                        const child = meaningfulChildren[0];
                        const text = sourceCode.getText(child);
                        const hasLeadingNewline = /^\s*\n/.test(text);
                        const hasTrailingNewline = /\n\s*$/.test(text);

                        if (!hasLeadingNewline || !hasTrailingNewline) {
                            context.report({
                                node: child,
                                message: "Multiline JSX element text content must be on its own line",
                                fix(fixer) {
                                    const openBracketLine = sourceCode.lines[openingElement.loc.start.line - 1];
                                    const baseIndent = openBracketLine.match(/^\s*/)[0];
                                    const indent = baseIndent + "    ";
                                    return fixer.replaceText(child, "\n" + indent + text.trim() + "\n" + baseIndent);
                                }
                            });
                        }
                        return;
                    }

                    const firstChild = meaningfulChildren[0];
                    const openingEndLine = openingElement.loc.end.line;

                    let needsFirstChildFix = false;
                    if (firstChild.type === "JSXText") {
                        const text = sourceCode.getText(firstChild);
                        if (!/^\s*\n/.test(text)) needsFirstChildFix = true;
                    } else if (firstChild.loc.start.line === openingEndLine) {
                        needsFirstChildFix = true;
                    }

                    if (needsFirstChildFix) {
                        context.report({
                            node: firstChild,
                            message: "First child of a multiline JSX element must be on a new line",
                            fix(fixer) {
                                const openBracketLine = sourceCode.lines[openingElement.loc.start.line - 1];
                                const baseIndent = openBracketLine.match(/^\s*/)[0];
                                const indent = baseIndent + "    ";

                                if (firstChild.type === "JSXText") {
                                    const text = sourceCode.getText(firstChild);
                                    return fixer.replaceText(firstChild, "\n" + indent + text.replace(/^\s+/, ""));
                                }

                                return fixer.insertTextBefore(firstChild, "\n" + indent);
                            }
                        });
                    }

                    const lastChild = meaningfulChildren[meaningfulChildren.length - 1];
                    let needsLastChildFix = false;

                    if (lastChild.type === "JSXText") {
                        const text = sourceCode.getText(lastChild);
                        if (!/\n\s*$/.test(text)) needsLastChildFix = true;
                    } else if (lastChild.loc.end.line === closingElement.loc.start.line) {
                        needsLastChildFix = true;
                    }

                    if (needsLastChildFix) {
                        context.report({
                            node: closingElement,
                            message: "Closing tag of a multiline JSX element must be on a new line",
                            fix(fixer) {
                                const openBracketLine = sourceCode.lines[openingElement.loc.start.line - 1];
                                const baseIndent = openBracketLine.match(/^\s*/)[0];

                                if (lastChild.type === "JSXText") {
                                    const text = sourceCode.getText(lastChild);
                                    return fixer.replaceText(lastChild, text.replace(/\s+$/, "") + "\n" + baseIndent);
                                }

                                return fixer.insertTextBefore(closingElement, "\n" + baseIndent);
                            }
                        });
                    }
                }
            };
        }
    },
    "no-jsx-parens-in-return": {
        meta: {
            type: "layout",
            fixable: "code",
            schema: []
        },
        create(context) {
            return {
                ReturnStatement(node) {
                    if (!node.argument) return;
                    if (node.argument.type === "JSXElement" || node.argument.type === "JSXFragment") {
                        const sourceCode = context.getSourceCode();
                        const returnToken = sourceCode.getFirstToken(node);
                        const firstChildToken = sourceCode.getFirstToken(node.argument);

                        const tokensBetween = sourceCode.getTokensBetween(returnToken, firstChildToken);
                        const openParen = tokensBetween.find(t => t.value === "(");

                        if (openParen) {
                            const closeParen = sourceCode.getTokenAfter(node.argument);
                            if (closeParen && closeParen.value === ")") {
                                context.report({
                                    node: node.argument,
                                    message: "Returned JSX element should not be wrapped in parentheses",
                                    fix(fixer) {
                                        const fixes = [
                                            fixer.remove(closeParen)
                                        ];

                                        if (returnToken.loc.end.line !== firstChildToken.loc.start.line) {
                                            fixes.push(fixer.replaceTextRange([
                                                returnToken.range[1],
                                                firstChildToken.range[0]
                                            ], " "));
                                        } else {
                                            fixes.push(fixer.remove(openParen));
                                        }

                                        return fixes;
                                    }
                                });
                            }
                        } else if (returnToken.loc.end.line !== firstChildToken.loc.start.line) {
                            context.report({
                                node: node.argument,
                                message: "Returned JSX element must start on the same line as 'return' to avoid Automatic Semicolon Insertion (ASI)",
                                fix(fixer) {
                                    return fixer.replaceTextRange([
                                        returnToken.range[1],
                                        firstChildToken.range[0]
                                    ], " ");
                                }
                            });
                        }
                    }
                },
                ArrowFunctionExpression(node) {
                    if (node.body.type === "JSXElement" || node.body.type === "JSXFragment") {
                        const sourceCode = context.getSourceCode();
                        const arrowToken = sourceCode.getTokenBefore(node.body, t => t.value === "=>");
                        const firstChildToken = sourceCode.getFirstToken(node.body);

                        const tokensBetween = sourceCode.getTokensBetween(arrowToken, firstChildToken);
                        const openParen = tokensBetween.find(t => t.value === "(");

                        if (openParen) {
                            const closeParen = sourceCode.getTokenAfter(node.body);
                            if (closeParen && closeParen.value === ")") {
                                context.report({
                                    node: node.body,
                                    message: "Implicitly returned JSX element should not be wrapped in parentheses",
                                    fix(fixer) {
                                        const fixes = [
                                            fixer.remove(closeParen)
                                        ];

                                        if (arrowToken.loc.end.line !== firstChildToken.loc.start.line) {
                                            fixes.push(fixer.replaceTextRange([
                                                arrowToken.range[1],
                                                firstChildToken.range[0]
                                            ], " "));
                                        } else {
                                            fixes.push(fixer.remove(openParen));
                                        }

                                        return fixes;
                                    }
                                });
                            }
                        } else if (arrowToken.loc.end.line !== firstChildToken.loc.start.line) {
                            context.report({
                                node: node.body,
                                message: "Implicitly returned JSX element must start on the same line as '=>'",
                                fix(fixer) {
                                    return fixer.replaceTextRange([
                                        arrowToken.range[1],
                                        firstChildToken.range[0]
                                    ], " ");
                                }
                            });
                        }
                    }
                }
            };
        }
    },
    "no-newline-after-jsx": {
        meta: {
            type: "layout",
            fixable: "whitespace",
            schema: []
        },
        create(context) {
            function checkPunctuation(node) {
                const sourceCode = context.getSourceCode();
                const lastToken = sourceCode.getLastToken(node);
                const nextToken = sourceCode.getTokenAfter(node);

                if (nextToken && (nextToken.value === ";" || nextToken.value === "," || nextToken.value === ")")) {
                    if (lastToken.loc.end.line !== nextToken.loc.start.line) {
                        if (sourceCode.commentsExistBetween(node, nextToken)) return;

                        context.report({
                            node: nextToken,
                            message: `Punctuation '${nextToken.value}' should be on the same line as the preceding JSX element`,
                            fix(fixer) {
                                return fixer.replaceTextRange([
                                    node.range[1],
                                    nextToken.range[0]
                                ], "");
                            }
                        });
                    }
                }
            }

            return {
                JSXElement: checkPunctuation,
                JSXFragment: checkPunctuation
            };
        }
    },
    "no-static-inline-styles": {
        meta: {
            type: "suggestion",
            messages: {
                staticStyle: "Static inline styles are not allowed. Please move them to a stylesheet file."
            },
            schema: []
        },
        create(context) {
            function checkProperty(propertyNode) {
                if (!propertyNode || propertyNode.type !== "Property") return;

                const value = propertyNode.value;
                if (!value) return;

                let isStatic = false;

                if (value.type === "Literal") {
                    if (typeof value.value === "string" || typeof value.value === "number") {
                        isStatic = true;
                    }
                } else if (value.type === "UnaryExpression" && value.operator === "-") {
                    if (value.argument && value.argument.type === "Literal" && typeof value.argument.value === "number") {
                        isStatic = true;
                    }
                } else if (value.type === "TemplateLiteral" && value.expressions.length === 0) {
                    isStatic = true;
                }

                if (isStatic) {
                    context.report({
                        node: propertyNode,
                        messageId: "staticStyle"
                    });
                }
            }

            function checkObjectExpression(node) {
                if (node.type !== "ObjectExpression") return;
                node.properties.forEach(checkProperty);
            }

            function checkStyleValue(node) {
                if (!node) return;

                if (node.type === "ObjectExpression") {
                    checkObjectExpression(node);
                } else if (node.type === "ArrayExpression") {
                    node.elements.forEach(element => {
                        if (element && element.type === "ObjectExpression") {
                            checkObjectExpression(element);
                        }
                    });
                }
            }

            return {
                JSXAttribute(node) {
                    const attrName = node.name.name;
                    if (typeof attrName !== "string") return;

                    if (attrName === "style" || attrName.endsWith("Style")) {
                        if (node.value && node.value.type === "JSXExpressionContainer") {
                            checkStyleValue(node.value.expression);
                        }
                    }
                }
            };
        }
    }
};