const fs = require('fs');
var languageSrcPath = __dirname + "/../assets/resources/il8n/"
var languageDistPath = __dirname + "/language/fliterkey/"
var languageMap = {}
var keyMapPrefex = 'filterkey.json'
var fullkeyPrefex = 'fullkeys.json'
var cpkeyPrefex = 'cpkeys.json'

var isChinese = (temp) => {
    let reg = new RegExp("[\\u4E00-\\u9FFF]+", "g")
    if (reg.test(temp)) {
        return true
    } else {
        return false
    }
}


var initLaguage = () => {
    languageMap['en'] = 'en.json'
    languageMap['ja'] = 'ja.json'
    languageMap['kr'] = 'kr.json'
    languageMap['tw'] = 'tw.json'
    languageMap['zh'] = 'zh.json'
}

var lg = [
    // "en",
    // "ja",
    // "kr",
    // "tw",
    "zh"
]

var beautifyJson = (str) => {
    // try {
    //     // 设置缩进为2个空格
    //     str = JSON.stringify(JSON.parse(str), null, 2);
    //     str = str
    //         .replace(/&/g, '&')
    //         .replace(/</g, '&lt;')
    //         .replace(/>/g, '&gt;');
    //     return str.replace(/("(\\u[a-zA-Z0-9]{4}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)/g, function (match) {
    //         var cls = 'number';
    //         if (/^"/.test(match)) {
    //             if (/:$/.test(match)) {
    //                 cls = 'key';
    //             } else {
    //                 cls = 'string';
    //             }
    //         } else if (/true|false/.test(match)) {
    //             cls = 'boolean';
    //         } else if (/null/.test(match)) {
    //             cls = 'null';
    //         }
    //         return match;
    //     });
    // } catch (e) {
    //     alert("异常信息:" + e);
    // }
    return str

}

var generateLanguageJson = (jsstr, iKey, cb) => {
    let distPath = languageDistPath + "/"
    if (!fs.existsSync(distPath)) {
        fs.mkdirSync(distPath);
    }

    var keyMap = {}
    var jsObk = JSON.parse(jsstr)
    var cpKeyMap = {}
    for (const key in jsObk) {
        if (Object.prototype.hasOwnProperty.call(jsObk, key)) {
            const value = jsObk[key];
            if (!isChinese(value)) {
                keyMap[key] = value
            } else {
                if (!cpKeyMap[value])
                    cpKeyMap[value] = key
            }
        }
    }


    //产生 dirty key
    var jsMapstr = JSON.stringify(keyMap)
    fs.writeFile(languageDistPath + keyMapPrefex, (jsMapstr), function (err) {
        // 写入成功后err的值就是null，且在该文件夹下生成一个02文件 
        if (err) {
            return console.log('文件写入失败！' + err.message);
        }
        console.log('文件写入成功！');
    })

    //重复key
    var languageKeyToValueMap = {}
    var keyMap = {}
    var jsObk = JSON.parse(jsstr)
    for (const key in jsObk) {
        if (Object.prototype.hasOwnProperty.call(jsObk, key)) {
            const value = jsObk[key];
            if (isChinese(value)) {
                languageKeyToValueMap[value] = languageKeyToValueMap[value] || []
                languageKeyToValueMap[value].push(key)
                if (!keyMap[value])
                    keyMap[value] = key
            }
        }
    }

    var keyMapstr = JSON.stringify(languageKeyToValueMap)
    fs.writeFile(distPath + fullkeyPrefex, beautifyJson(keyMapstr), function (err) {
        // 写入成功后err的值就是null，且在该文件夹下生成一个02文件 
        if (err) {
            return console.log('文件写入失败！' + err.message);
        }
    })

    //保存CPkey
    var resultMap = {}
    for (const key in cpKeyMap) {
        if (Object.prototype.hasOwnProperty.call(cpKeyMap, key)) {
            const value = cpKeyMap[key];
            resultMap[value] = key
        }
    }
    
    //产生剔除重复值的Json文件
    var jsMapstr = JSON.stringify(resultMap)
    fs.writeFile(distPath + cpkeyPrefex, beautifyJson(jsMapstr), function (err) {
        // 写入成功后err的值就是null，且在该文件夹下生成一个02文件 
        if (err) {
            return console.log('文件写入失败！' + err.message);
        }
    })
}

var readLanguae = (iKey, cb) => {
    fs.readFile(languageSrcPath + languageMap[iKey], 'utf8', function (err, dataStr) {
        if (err) {
            console.log(err); // 打印失败的结果
            return
        }
        cb && cb(dataStr)
    })
}


var actionFile = (index, fb) => {
    if (index >= lg.length) {
        return
    }
    readLanguae(lg[index], (jsondatastr) => {
        generateLanguageJson(jsondatastr, lg[index], () => {
            console.log("success: ", lg[index])
            actionFile(index + 1)
        })
    })
}

var main = () => {
    initLaguage()
    actionFile(0)
}

main();