const os = require('os');
const fs = require('fire-fs');
const path = require('fire-path');

module.exports = {
    isVersion (str) {
        return (/^\d+\.\d+\.\d+$/).test(str);
    },

    readFileSync (filePath, mode) {
        let data;
        try {
            data = fs.readFileSync(filePath, mode);
        } catch (error) {
            Editor.error('readFileSync error:', error);
        }
        return data;
    },

    writeFileSync (filePath, data, mode) {
        fs.writeFile(filePath, data, mode, (error)=>{
            if (error) {
                Editor.error('readFileSync error:', error);
                return false;
            }
            Editor.log(filePath + '写入成功');
        });
    },

    isURL (str) {
        let strRegex = '(https?|ftp|file)://[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]';
        let re = new RegExp(strRegex);
        return str.match(re);
    },

    getRelative (from, to) {
        return path.relative(from, to);
    },

    accessPath (filePath, callback) {
        fs.access(filePath, callback);
    },

    createProjectManifestAssets (assetdb, host, callback) {
        let manifestFmt =
        '{\n' +
        '   packageUrl: %s,\n' +
        '   remoteManifestUrl: \'%s/project.manifest\',\n' +
        '   remoteVersionUrl: \'%s/version.manifest\',\n' +
        '   version: \'100001\',\n' +
        '   assets: {},\n' +
        '   searchPaths: []\n' +
        '}\n';

        host = host.replace(/\\/g, '/');
        host = encodeURI(host);
        let manifest = manifestFmt.replace(new RegExp('%s', 'g'), host);
        Editor.Scene.callSceneScript('build-helper', 'createAssets', assetdb, manifest, callback);
    },

    createVersionManifestAssets (assetdb, host, callback) {
        let manifestFmt =
        '{\n' +
        '   packageUrl: %s,\n' +
        '   remoteManifestUrl: \'%s/project.manifest\',\n' +
        '   remoteVersionUrl: \'%s/version.manifest\',\n' +
        '   version: \'100001\',\n' +
        '}\n';

        host = host.replace(/\\/g, '/');
        host = encodeURI(host);
        let manifest = manifestFmt.replace(new RegExp('%s', 'g'), host);
        Editor.Scene.callSceneScript('build-helper', 'createAssets', assetdb, manifest, callback);
    },

    copyFolder (src, dst) {
        if (!fs.existsSync(dst)) {
            fs.mkdirSync(dst);
        }

        let paths = fs.readdirSync(src); // 同步读取当前目录
        paths.forEach((aPath) => {
            let _src = path.join(src, aPath);
            let _dst = path.join(dst, aPath);

            let stats = fs.statSync(_src);
            if (stats.isFile()){
                // 如果是个文件则拷贝
                fs.copyFileSync(_src, _dst);
            } else {
                if (!fs.existsSync(_dst)) {
                    fs.mkdirSync(_dst);
                }
                // 是目录则 递归
                this.copyFolder(_src, _dst);
            }
        });
    },

    /**
     * 获取本机IP
     */
    getIPAdress () {
        var interfaces = os.networkInterfaces();
        for (var devName in interfaces) {
            var iface = interfaces[devName];
            for (var i = 0; i < iface.length; i++) {
                var alias = iface[i];
                if (alias.family === 'IPv4' && alias.address !== '127.0.0.1' && !alias.internal) {
                    return alias.address;
                }
            }
        }
    },

    findFileSync (aPath, cb) {
        let dirs = fs.readdirSync(aPath);
        dirs.forEach((ele, index) => {
            let fullpath = path.join(aPath, ele);
            let info = fs.statSync(fullpath);
            if (info.isDirectory()) {
                this.findFileSync(fullpath, cb);
            } else {
                cb(fullpath);
            }
        });
    },

    rmdirSync (aPath) {
        let files = [];
        if (fs.existsSync(aPath)) {
            files = fs.readdirSync(aPath);
            files.forEach((file, index) => {
                let curPath = aPath + '/' + file;
                if (fs.statSync(curPath).isDirectory()) {
                    this.rmdirSync(curPath);
                } else {
                    fs.unlinkSync(curPath);
                }
            });
            fs.rmdirSync(aPath);
        }
    }
};