const fs = require('fs');

function parse(data) {
    const lines = data.split('\n');

    const result = {
        h1: '',
        h2: [],
    };
    let current = '';

    lines.forEach((line) => {
        if (line.startsWith('# ')) {
            result.h1 = line.replace(/^# /, '');
            result.h1 = result.h1.replace(/ {([^}])*}$/, '');
        } else if (line.startsWith('## ')) {
            let h2 = line.replace(/^## /, '');
            // h2 = h2.replace(/ {([^}])*}$/, '');
            current = {
                h2,
                content: '',
                h3: [],
            };
            result.h2.push(current);
        } else if (line.startsWith('### ')) {
            let h3 = line.replace(/^### /, '');
            // h3 = h3.replace(/ {([^}])*}$/, '');
            current = {
                h3,
                content: '',
            };
            result.h2[result.h2.length - 1].h3.push(current);
        } else if (current) {
            current.content += line + '\n';
        }
    });

    result.h2.forEach((item) => {
        item.content = item.content.trim();
        item.h3.forEach((h3) => {
            h3.content = h3.content.trim();
            h3.id = h3.content.match(/path="([^"]+)"/)?.[1];
            if (!h3.id) {
                console.log('no id', h3.content);
            }
        });
    });

    return result;

    // console.log(JSON.stringify(result, null, 2));
}

function parseMd(name) {
    const cn = fs.readFileSync(`./docs/routes/${name}.md`, 'utf8');
    const cnParsed = parse(cn);

    // const en = fs.readFileSync(`./i18n/en/docusaurus-plugin-content-docs/current/routes/${name}.md`, 'utf8')
    // const enParsed = parse(en);

    // cnParsed.h1 = enParsed.h1

    // enParsed.h2.forEach((item, index) => {
    //     item.h3.forEach((h3) => {
    //         if (h3.id) {
    //             let found = false
    //             cnParsed.h2.forEach((cnitem, index) => {
    //                 cnitem.h3.forEach((cnh3) => {
    //                     if (!found && cnh3.id === h3.id) {
    //                         found = true
    //                         console.log('found', h3.id)
    //                         cnh3.content = h3.content
    //                         cnh3.h3 = h3.h3
    //                         cnitem.content = item.content
    //                         cnitem.h2 = item.h2
    //                     }
    //                 })
    //             })
    //             if (!found) {
    //                 console.log('not found', h3.id)
    //                 cnParsed.h2.push(item)
    //             }
    //         }
    //     })
    // })

    let newContent = `# ${cnParsed.h1}\n\n`;
    cnParsed.h2.forEach((item) => {
        newContent += `## ${item.h2}\n\n`;
        if (item.content) {
            newContent += `${item.content}\n\n`;
        }
        item.h3.forEach((h3) => {
            newContent += `### ${h3.h3}\n\n`;
            newContent += `${h3.content}\n\n`;
        });
    });
    fs.writeFile(`./docs/routes/${name}.md`, newContent, (err) => {
        if (err) throw err;
        console.log('The file has been saved!');
    });
    // fs.writeFile(`./docs/routes/${name}.json`, JSON.stringify(cnParsed, null, 2), (err) => {
    //   if (err) throw err;
    //   console.log('The file has been saved!');
    // });
}

[
    'routes/social-media',
    'routes/new-media',
    'routes/traditional-media',
    'routes/bbs',
    'routes/blog',
    'routes/programming',
    'routes/design',
    'routes/live',
    'routes/multimedia',
    'routes/picture',
    'routes/anime',
    'routes/program-update',
    'routes/university',
    'routes/forecast',
    'routes/travel',
    'routes/shopping',
    'routes/game',
    'routes/reading',
    'routes/government',
    'routes/study',
    'routes/journal',
    'routes/finance',
    'routes/other',
].map((name) => parseMd(name.replace(/^routes\//, '')));