"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.JqhtmlFormattingEditProvider = void 0;
const vscode = __importStar(require("vscode"));
class JqhtmlFormattingEditProvider {
    constructor() {
        this.indentSize = 2;
        // IMPORTANT: DO NOT USE REGEX FOR PARSING IN THIS FORMATTER
        // This formatter uses string manipulation and indexOf for reliability
        // Regex should only be used in the syntax highlighter, not here
        // Based on the RS3 formatter (reformat_html.php) logic
        // Known self-closing HTML tags
        this.selfClosingTags = [
            'area', 'base', 'br', 'embed', 'hr', 'iframe',
            'img', 'input', 'link', 'meta', 'param', 'source', 'track'
        ];
    }
    provideDocumentFormattingEdits(document, options) {
        this.indentSize = options.tabSize || 2;
        const formatted = this.formatDocument(document);
        const fullRange = new vscode.Range(document.positionAt(0), document.positionAt(document.getText().length));
        return [vscode.TextEdit.replace(fullRange, formatted)];
    }
    formatDocument(document) {
        const text = document.getText();
        const safeCode = [];
        let working = text;
        let reading = text;
        // Step 1: Escape JQHTML comments (<%-- --%>)
        working = '';
        while (reading.indexOf('<%--') !== -1) {
            const pos = reading.indexOf('<%--');
            working += reading.substring(0, pos);
            reading = reading.substring(pos);
            const closePos = reading.indexOf('--%>');
            if (closePos === -1) {
                // Parse error, return original
                return text;
            }
            safeCode.push(reading.substring(0, closePos + 4));
            reading = reading.substring(closePos + 4);
            working += '@@__SAFE__(' + (safeCode.length - 1) + ')';
        }
        working += reading;
        reading = working;
        // Step 2: Escape HTML comments (<!-- -->)
        working = '';
        while (reading.indexOf('<!--') !== -1) {
            const pos = reading.indexOf('<!--');
            working += reading.substring(0, pos);
            reading = reading.substring(pos);
            const closePos = reading.indexOf('-->');
            if (closePos === -1) {
                // Parse error, return original
                return text;
            }
            safeCode.push(reading.substring(0, closePos + 3));
            reading = reading.substring(closePos + 3);
            working += '@@__SAFE__(' + (safeCode.length - 1) + ')';
        }
        working += reading;
        reading = working;
        // Step 3: Escape multiline <% %> blocks
        working = '';
        while (reading.indexOf('<%') !== -1) {
            const pos = reading.indexOf('<%');
            working += reading.substring(0, pos);
            reading = reading.substring(pos);
            const closePos = reading.indexOf('%>');
            if (closePos === -1) {
                // Parse error, return original
                return text;
            }
            const nlPos = reading.indexOf('\n');
            if (nlPos === -1 || nlPos > closePos) {
                // Not multiline, keep it
                working += reading.substring(0, closePos + 2);
                reading = reading.substring(closePos + 2);
                continue;
            }
            // It's multiline, escape it
            safeCode.push(reading.substring(0, closePos + 2));
            reading = reading.substring(closePos + 2);
            working += '@@__SAFE__(' + (safeCode.length - 1) + ')';
        }
        working += reading;
        // Step 4: Split into lines with indent levels
        const lines = [];
        const splitLines = working.split('\n');
        for (const line of splitLines) {
            lines.push([0, line.trim()]);
        }
        // Step 5: Handle JS/control flow indents by counting braces
        let jsIndent = 0;
        for (let i = 0; i < lines.length; i++) {
            const trimmedLine = lines[i][1];
            // Count opening and closing braces within <% %> blocks
            let openBraces = 0;
            let closeBraces = 0;
            // Find all <% %> blocks in the line
            let searchPos = 0;
            while (true) {
                const startPos = trimmedLine.indexOf('<%', searchPos);
                if (startPos === -1)
                    break;
                const endPos = trimmedLine.indexOf('%>', startPos);
                if (endPos === -1)
                    break;
                // Extract the code block content
                const codeBlock = trimmedLine.substring(startPos + 2, endPos);
                // Count braces in this code block
                for (let j = 0; j < codeBlock.length; j++) {
                    if (codeBlock[j] === '{')
                        openBraces++;
                    if (codeBlock[j] === '}')
                        closeBraces++;
                }
                searchPos = endPos + 2;
            }
            const netChange = openBraces - closeBraces;
            // Apply indent changes
            if (netChange > 0) {
                // Opening braces - indent applies to next line
                lines[i][0] = jsIndent;
                jsIndent += netChange;
            }
            else if (netChange < 0) {
                // Closing braces - dedent this line
                jsIndent += netChange;
                lines[i][0] = jsIndent;
            }
            else {
                // No change
                lines[i][0] = jsIndent;
            }
            // Special handling for else statements - dedent by 1
            if (trimmedLine.indexOf('<% else') !== -1 ||
                trimmedLine.indexOf('<% } else') !== -1) {
                lines[i][0]--;
            }
        }
        // Step 6: Escape remaining single-line code blocks
        for (let i = 0; i < lines.length; i++) {
            reading = lines[i][1];
            working = '';
            // Escape <% %> blocks
            while (reading.indexOf('<%') !== -1) {
                const pos = reading.indexOf('<%');
                working += reading.substring(0, pos);
                reading = reading.substring(pos);
                const closePos = reading.indexOf('%>');
                if (closePos === -1) {
                    working += reading;
                    reading = '';
                    continue;
                }
                safeCode.push(reading.substring(0, closePos + 2));
                reading = reading.substring(closePos + 2);
                working += '@@__SAFE__(' + (safeCode.length - 1) + ')';
            }
            working += reading;
            lines[i][1] = working;
        }
        // Step 7: Handle HTML tag indents
        let htmlIndent = 0;
        let openSelfClosingTag = null; // Track if we're inside a multiline self-closing tag
        for (let i = 0; i < lines.length; i++) {
            const line = lines[i][1];
            let thisIndent = 0;
            // Check if this line opens a self-closing tag (multiline)
            // e.g., "<img" or "<input" without closing > on same line
            for (const tag of this.selfClosingTags) {
                const searchStr = '<' + tag;
                if (line.indexOf(searchStr) !== -1 && line.indexOf('>') === -1) {
                    // Opened a self-closing tag but no > yet - it's multiline
                    openSelfClosingTag = tag;
                    break;
                }
            }
            // Check if this line closes a multiline self-closing tag
            // e.g., a line with just ">" or "alt='text'>" when we have an open <img
            if (openSelfClosingTag !== null && line.indexOf('>') !== -1 && line.indexOf('<') === -1) {
                // This line closes the self-closing tag - don't count it as opening
                openSelfClosingTag = null;
                thisIndent--; // Counteract the opening < that was counted earlier
            }
            // Count opening tags
            thisIndent += this.countOccurrences(line, '<');
            // Subtract self-closing tags
            thisIndent -= this.countOccurrences(line, '/>');
            // Subtract closing tags (count double)
            thisIndent -= this.countOccurrences(line, '</') * 2;
            // Handle known self-closing tags (single line)
            for (const tag of this.selfClosingTags) {
                const searchStr = '<' + tag;
                if (line.indexOf(searchStr) !== -1) {
                    // Split by this tag and check each occurrence
                    const parts = line.split(searchStr);
                    for (let j = 1; j < parts.length; j++) {
                        // Check if it's not self-closed with />
                        if (parts[j].indexOf('/>') === -1 && parts[j].indexOf('>') !== -1) {
                            thisIndent--;
                        }
                        else if (parts[j].indexOf('/>') !== -1 &&
                            parts[j].indexOf('>') !== -1 &&
                            parts[j].indexOf('/>') > parts[j].indexOf('>')) {
                            // Has both > and />, but > comes first
                            thisIndent--;
                        }
                    }
                }
            }
            // Special case for DOCTYPE
            if (line.indexOf('<!DOCTYPE') !== -1) {
                thisIndent--;
            }
            // Apply indent changes
            if (thisIndent < 0) {
                // Negative change - apply before this line
                htmlIndent += thisIndent;
                lines[i][0] += htmlIndent;
            }
            else {
                // Positive/zero change - apply after this line
                lines[i][0] += htmlIndent;
                htmlIndent += thisIndent;
            }
            // Multiline self-closing tag (line has /> but no <)
            if (line.indexOf('/>') !== -1 && line.indexOf('<') === -1) {
                lines[i][0]++;
            }
        }
        // Step 8: Build result with proper indentation
        let result = '';
        for (const [indent, line] of lines) {
            const finalIndent = Math.max(0, indent);
            if (line.length > 0) {
                result += ' '.repeat(finalIndent * this.indentSize) + line + '\n';
            }
            else {
                result += '\n';
            }
        }
        // Step 9: Restore safe blocks
        for (let attempt = 0; attempt < 10; attempt++) {
            let hasChanges = false;
            for (let i = 0; i < safeCode.length; i++) {
                const placeholder = '@@__SAFE__(' + i + ')';
                if (result.indexOf(placeholder) !== -1) {
                    result = result.replace(placeholder, safeCode[i]);
                    hasChanges = true;
                }
            }
            if (!hasChanges || result.indexOf('@@__SAFE__') === -1) {
                break;
            }
        }
        // Step 10: Add blank lines around Define tag contents
        result = this.addDefineTagSpacing(result);
        return result.trim();
    }
    addDefineTagSpacing(text) {
        const lines = text.split('\n');
        const resultLines = [];
        for (let i = 0; i < lines.length; i++) {
            const currentLine = lines[i];
            const trimmedCurrent = currentLine.trim();
            // Check if this is an opening Define tag
            if (trimmedCurrent.startsWith('<Define:') && trimmedCurrent.endsWith('>') && !trimmedCurrent.includes('</')) {
                resultLines.push(currentLine);
                // Check if next line exists and is not already blank
                if (i + 1 < lines.length) {
                    const nextLine = lines[i + 1];
                    const trimmedNext = nextLine.trim();
                    // Only add blank line if:
                    // 1. Next line is not already blank
                    // 2. Next line is not the closing Define tag
                    if (trimmedNext.length > 0 && !trimmedNext.startsWith('</Define:')) {
                        resultLines.push('');
                    }
                }
            }
            // Check if this is a closing Define tag
            else if (trimmedCurrent.startsWith('</Define:') && trimmedCurrent.endsWith('>')) {
                // Check if previous line exists and is not already blank
                if (i > 0) {
                    const prevLine = lines[i - 1];
                    const trimmedPrev = prevLine.trim();
                    // Only add blank line if:
                    // 1. Previous line is not already blank
                    // 2. Previous line is not the opening Define tag
                    if (trimmedPrev.length > 0 && !trimmedPrev.startsWith('<Define:') && resultLines[resultLines.length - 1].trim().length > 0) {
                        resultLines.push('');
                    }
                }
                resultLines.push(currentLine);
            }
            else {
                resultLines.push(currentLine);
            }
        }
        return resultLines.join('\n');
    }
    countOccurrences(str, search) {
        let count = 0;
        let pos = 0;
        while ((pos = str.indexOf(search, pos)) !== -1) {
            count++;
            pos += search.length;
        }
        return count;
    }
}
exports.JqhtmlFormattingEditProvider = JqhtmlFormattingEditProvider;
//# sourceMappingURL=formatter.js.map