var fs = require('fs'),
    version = require('../vue/component.json').version,
    themeconfPath = 'themes/vue/_config.yml',
    installPath = 'source/guide/installation.md',
    themeconfig = fs.readFileSync(themeconfPath, 'utf-8'),
    installation = fs.readFileSync(installPath, 'utf-8')

fs.writeFileSync(
    themeconfPath,
    themeconfig.replace(/vue_version: .*/, 'vue_version: ' + version)
)

var sizes = {
    dev: 'vue.js',
    min: 'vue.min.js',
    gz: 'vue.min.js.gz'
}

for (var file in sizes) {
    var filesize = fs.statSync('../vue/dist/' + sizes[file], 'utf-8').size
    sizes[file] = (filesize / 1024).toFixed(2)
}

fs.writeFileSync(
    installPath,
    installation
        .replace(/vue_version: .*/, 'vue_version: ' + version)
        .replace(/(\w+)_size:.*/g, function (m, p1) {
            return p1 + '_size: ' + sizes[p1]
        })
)