'use strict';

/**
 * 合同支付
 *
 * @author Mai
 * @date
 * @version
 */

module.exports = app => {

    class PayController extends app.BaseController {
        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
        }

        async index(ctx) {
            try {
                const pays = await this.ctx.service.pay.getAllDataByCondition({ where: { tid: ctx.tender.id } });
                const renderData = {
                    jsFiles: this.app.jsFiles.common.concat(this.app.jsFiles.pay.list)
                };
                await this.layout('pay/index.ejs', renderData);
            } catch (err) {
                ctx.helper.log(err);
            }
        }

        async uploadFile(ctx) {
            let stream;
            try {
                const parts = ctx.multipart({ autoFields: true });
                let index = 0;
                const create_time = Date.parse(new Date()) / 1000;
                let stream = await parts();
                const bonus = await ctx.service.stageBonus.getStageDataById(parts.field.bonus_id);
                //if (!bonus || bonus.sid !== ctx.stage.id) throw '该奖罚金，当前不允许上传附件';
                while (stream !== undefined) {
                    if (!stream.filename) {
                        throw '未发现上传文件!';
                    }

                    const fileInfo = path.parse(stream.filename);
                    const dirName = 'app/public/upload/extra/' + moment().format('YYYYMMDD');
                    const fileName = create_time + '_' + index + fileInfo.ext;

                    // 保存文件
                    await ctx.helper.saveStreamFile(stream, path.join(this.app.baseDir, dirName, fileName));
                    await sendToWormhole(stream);

                    // 插入到stage_pay对应的附件列表中
                    bonus.proof_file.push({
                        filename: fileInfo.name,
                        fileext: fileInfo.ext,
                        filesize: Array.isArray(parts.field.size) ? parts.field.size[index] : parts.field.size,
                        filepath: path.join(dirName, fileName),
                        uid: ctx.session.sessionUser.accountId,
                        in_time: moment(create_time * 1000).format('YYYY-MM-DD'),
                        renew: bonus.sid === ctx.stage.id ? ctx.stage.status === auditConst.status.checked : true,
                    });
                    ++index;
                    if (Array.isArray(parts.field.size) && index < parts.field.size.length) {
                        stream = await parts();
                    } else {
                        stream = undefined;
                    }
                }
                const result = await ctx.service.stageBonus.updateDatas({
                    update: [
                        { id: bonus.id, proof_file: bonus.proof_file },
                    ]
                });
                for (const pf of bonus.proof_file) {
                    pf.username = (await ctx.service.projectAccount.getAccountInfoById(pf.uid)).name;
                    if (ctx.helper.canPreview(pf.fileext)){
                        pf.viewpath = pf.filepath.substr(3, pf.filepath.length - 3);
                    }
                    delete pf.filepath;
                }
                ctx.body = {err: 0, msg: '', data: bonus.proof_file};
            } catch (error) {
                ctx.helper.log(error);
                // 失败需要消耗掉stream 以防卡死
                if (stream) {
                    await sendToWormhole(stream);
                }
                ctx.body = this.ajaxErrorBody(error, '上传附件失败，请重试');
            }
        }

        async deleteFile(ctx) {
            try {
                const data = JSON.parse(ctx.request.body.data);

                const bonus = await ctx.service.stageBonus.getStageDataById(data.b_id);
                if (!bonus || !bonus.proof_file || !bonus.proof_file[data.index]) throw '删除的文件不存在';

                const fileInfo = bonus.proof_file[data.index];
                if (fileInfo.uid !== ctx.session.sessionUser.accountId) throw '您无权删除该文件';

                const deleteFilePermission = PermissionCheck.delFile(this.ctx.session.sessionUser.permission);
                if (ctx.stage.status === auditConst.status.checked && !fileInfo.renew && !deleteFilePermission) throw '不可删除该文件';

                // 先删除文件
                await fs.unlinkSync(path.join(this.app.baseDir, fileInfo.filepath));
                // 再删除数据库
                bonus.proof_file.splice(data.index, 1);
                const result = await ctx.service.stageBonus.updateDatas({
                    update: [
                        { id: bonus.id, proof_file: bonus.proof_file },
                    ]
                });
                for (const pf of bonus.proof_file) {
                    delete pf.filepath;
                    pf.username = (await ctx.service.projectAccount.getAccountInfoById(pf.uid)).name;
                }
                ctx.body = {err: 0, msg: '', data: bonus.proof_file};
            } catch (err) {
                this.log(err);
                this.ctx.ajaxErrorBody(err, '删除文件失败');
            }
        }
    }

    return PayController;
};