const fs = require('fs');
let iKey = "kr"
var languageSrcPath = __dirname + "/language/src/" + iKey + "/"
var languageDistPath = __dirname + "/language/dist/" + iKey + "/"
var languageFilterKeyPath = __dirname + "/language/fliterkey/filterkey.json"
var languageFullKeyPath = __dirname + "/language/fliterkey/fullkeys.json"
var languagecpkeyPath = __dirname + "/language/fliterkey/cpkeys.json"
var languageMap = {}
var pathInfor = []
var dirtyKeyJson = null
var cpKeyJson = null

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

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

    pathInfor = [{
            name: languageSrcPath + languageMap[iKey],
            content: ''
        }, //最新即将被翻译过要替换的src(被翻译过的)
        {
            name: languageDistPath + languageMap[iKey],
            content: ''
        }, //被翻译的语言zh（完整的）
    ]
}

var replaceValue = () => {
    var scrJson = JSON.parse(pathInfor[0].content) //被翻译的json
    var distJson = JSON.parse(pathInfor[1].content) //需要更新替换json

    //多key-多value, 源文件 ，CP方发过来的
    let srcMap = {}
    for (const key in scrJson) {
        if (Object.prototype.hasOwnProperty.call(scrJson, key)) {
            srcMap[key] = scrJson[key]
        }
    }

    //唯一key-value
    let distMap = {}
    for (const key in distJson) {
        if (Object.prototype.hasOwnProperty.call(distJson, key)) {
            distMap[key] = distJson[key]
        }
    }

    for (const key in srcMap) {
        if (dirtyKeyJson && distMap[key] && srcMap[key] && !dirtyKeyJson[key]) distMap[key] = srcMap[key]
    }

    //补充字段
    var fillValue = (keysArray) => {
        var value = null
        for (let index = 0; index < keysArray.length; index++) {
            const keyE = keysArray[index];
            var key_value = srcMap[keyE] || distMap[keyE]
            if (key_value && !value) {
                value = key_value;
                index = -1
            }

            if (value) {
                distMap[keyE] = value
                fullkeys[keyE] = {}
            }
        }
    }

    var fillSameKey =(keysArray, value)=>{
        for (let index = 0; index < keysArray.length; index++) {
            const keyE = keysArray[index];
            distMap[keyE]  = value
            fullkeys[keyE] = {}
        }
    }

    if (fullkeys && cpKeyJson) {
        for (const keyF in fullkeys) {
            if (Object.hasOwnProperty.call(fullkeys, keyF)) {
                const fulleleArray = fullkeys[keyF];
                for (let index = 0; index < fulleleArray.length; index++) {
                    const keyE = fulleleArray[index];
                    if (!distMap[keyE]) {
                        fillValue(fulleleArray)
                        break;
                    } else {
                        if(cpKeyJson[keyE]) fillSameKey(fulleleArray, scrJson[keyE])
                    }
                }
            }
        }
    }

    //产生要替换的Json文件
    var jsMapstr = JSON.stringify(distMap)
    fs.writeFile(languageDistPath + languageMap[iKey], (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！');
    })
}

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

var count = 0
var readJson = (iKey, cb) => {
    readLanguae(pathInfor[count].name, (jsondatastr) => {
        pathInfor[count].content = jsondatastr
        count = count + 1
        if (count >= 2) {
            cb && cb()
        } else {
            readJson(iKey, cb)
        }
    })
}

var readFullKey = (cb) => {
    readLanguae(languageFullKeyPath, (fullkeysstr) => {
        let fullkeyJson = JSON.parse(fullkeysstr)
        if (fullkeysstr) fullkeys = {}
        for (const key in fullkeyJson) {
            if (Object.hasOwnProperty.call(fullkeyJson, key)) {
                const keysArray = fullkeyJson[key] || [];
                for (let index = 0; index < keysArray.length; index++) {
                    const elementkey = keysArray[index];
                    fullkeys[elementkey] = keysArray
                }
            }
        }
        cb && cb()
    })
}

var readDirtyKey = (cb) => {
    readLanguae(languagecpkeyPath, (dataStr) => {
        cpKeyJson = JSON.parse(dataStr)
        readLanguae(languageFilterKeyPath, (dataStr) => {
            dirtyKeyJson = JSON.parse(dataStr)
            cb && cb()
        })
    })
}

var main = () => {
    initLaguage()
    readFullKey(() => {
        readDirtyKey(() => {
            readJson(iKey, () => {
                replaceValue()
            })
        })
    })
}

main();