const fs = require('fs');
const path = require('path');

const DataFile = path.join(__dirname, './data.json')
const DataFile2 = path.join(__dirname, './data-friendly.json')
let data = JSON.parse(fs.readFileSync(DataFile, 'utf8'))

function structure() {
    return {
        // 汉字
        word: "",
        // 拼音
        pinyin: [],
        // 笔画
        stroke: 0,
        // 类型 0-未标注 1-常用字 2-生僻字
        type: 0,
        // 来源（从original文件夹中哪个来源录入的）
        from: [],
        // 是否人工确认过
        confirm: false,
    }
}

function saveData() {
    const ObjSort = function (arys) {
        var newkey = Object.keys(arys).sort((a,b)=>a.localeCompare(b));
        var newObj = {}; //创建一个新的对象，用于存放排好序的键值对
        for (var i = 0; i < newkey.length; i++) {
            newObj[newkey[i]] = arys[newkey[i]];
        }
        return newObj; //返回排好序的新对象
    }
    data = ObjSort(data)
    fs.writeFileSync(DataFile, JSON.stringify(data), 'utf8')
    fs.writeFileSync(DataFile2, JSON.stringify(data, null, 4), 'utf8')
}

function addData(wordStruct, saveData = true) {
    let word = wordStruct.word
    if (Object.keys(data).includes(word)) {
        // 已经存在
        let struct = data[word]
        let isNeedUpdate = false

        // 合并拼音
        for (let py of wordStruct.pinyin) {
            if (!struct.pinyin.includes(py)) {
                struct.pinyin.push(py)
                isNeedUpdate = true
            }
        }
        struct.pinyin.sort()

        // 合并笔画
        if (wordStruct.stroke > 0 && wordStruct.stroke != struct.stroke) {
            if (struct.stroke != 0) {
                console.log(`${wordStruct.word} 字的笔画(stroke)出现歧义 [${struct.stroke}, ${wordStruct.stroke}]，当前保存 ${wordStruct.stroke}`)
            }
            struct.stroke = wordStruct.stroke
        }

        // 合并类型
        if (wordStruct.type > 0 && wordStruct.type != struct.type) {
            if (struct.type != 0) {
                console.log(`${wordStruct.word} 字的类型(type)出现歧义 [${struct.type}, ${wordStruct.type}]，当前保存 ${wordStruct.type}`)
            }
            struct.type = wordStruct.type
        }

        if (isNeedUpdate) {
            data[word] = struct
            saveData && saveData()
        }
    } else {
        // 还不存在
        data[wordStruct.word] = wordStruct
        isNeedUpdate = true

        saveData && saveData()
    }

}

module.exports = {
    structure,
    addData,
    saveData
}