var fs = require('fs')
var md0 = require('./dist/md0')

var args = process.argv.splice(2)

if (!args.length) {
    console.log(['Usage:',
        '    node parser.js <input> [output]',
        '',
        'Example:',
        '    node parser.js README.md readme.html'].join('\n'))
    process.exit(1)
}

var input = args[0]
var output = args[1]

function parse(option) {
    if (!option.output) {
        option.output = option.input + '.html'
    }

    console.log('Read template')
    var template = fs.readFileSync('./bin/template.html', {
        encoding: 'utf-8'
    })

    console.log('Read ' + option.input)
    var content = fs.readFileSync(option.input, {
        encoding: 'utf8'
    })

    console.log('Parse content')
    console.time('parse')

    var markdownHtml = md0(content, {
        codeHeight: 0,
        codeHeader: true,
        catalog: true,
        useHljs: option.useHljs
    })

    var html = template
        .replace('{title}', option.title || input.split(/[\\\/]/).pop())
        .replace('{content}', markdownHtml)
    console.timeEnd('parse')
    console.log('Write ' + option.output)
    fs.writeFileSync(option.output, html, {
        encoding: 'utf8'
    })
}

parse({
    title: null,
    input: input,
    output: output,
    useHljs: false
})