const Controller = require('../core/base_controller');

const fileName = "Exam";

class ExamController extends Controller {
    // 用户报名接口
    async application() {
        const { ctx } = this;
        try {
            let rdmcode = await this.checkUid(ctx);
            if (!rdmcode) {
                this.setResponse(ctx, 401, 'token过期或错误', "none");
                return;
            }
            const uid = JSON.parse(rdmcode).uid;
            const body = ctx.request.body;
            const form = {
                user_uid: uid,
                exam_uid: this.decryptRequest(body.uid),
                exam_name: this.decryptRequest(body.exam_name),
                source: "个人",
                status: 0,
                pay_status: 0,
                result: "用户个人报名",
                created_at: new Date()
            };
            const result = await ctx.service.exam.application(uid, form);
            if (result == "error") {
                this.setResponse(ctx, 500, '服务器错误', "none");
                return;
            }
            if (result) {
                this.setResponse(ctx, 200, '操作成功', "none");
            } else {
                this.setResponse(ctx, 404, '操作失败', "none");
            }
        } catch (error) {
            const blockName = fileName + "--" + "application";
            ctx.app.middleware.log('../../controllerLog', blockName + ">>>>" + error);
            this.setResponse(ctx, 500, '服务器错误', "none");
        }
    }

    // 用户取消报名接口
    async cancelApplication() {
        const { ctx } = this;
        try {
            let rdmcode = await this.checkUid(ctx);
            if (!rdmcode) {
                this.setResponse(ctx, 401, 'token过期或错误', "none");
                return;
            }
            const uid = JSON.parse(rdmcode).uid;
            const body = ctx.request.body;
            const exam_uid = this.decryptRequest(body.uid);
            const result = await ctx.service.exam.cancelApplication(uid, exam_uid);
            if (result == "error") {
                this.setResponse(ctx, 500, '服务器错误', "none");
                return;
            }
            if (result) {
                this.setResponse(ctx, 200, '操作成功', "none");
            } else {
                this.setResponse(ctx, 404, '操作失败', "none");
            }
        } catch (error) {
            const blockName = fileName + "--" + "cancelApplication";
            ctx.app.middleware.log('../../controllerLog', blockName + ">>>>" + error);
            this.setResponse(ctx, 500, '服务器错误', "none");
        }
    }

    // 用户查看所有考试接口
    async examList() {
        const { ctx } = this;
        try {
            let rdmcode = await this.checkUid(ctx);
            if (!rdmcode) {
                this.setResponse(ctx, 401, 'token过期或错误', "none");
                return;
            }
            const uid = JSON.parse(rdmcode).uid;
            const body = ctx.request.body;
            const result = await ctx.service.exam.examList(uid, body);
            if (result == "error") {
                this.setResponse(ctx, 500, '服务器错误', "none");
                return;
            }
            if (result) {
                let examMsg = [];
                result.rows.forEach(element => {
                  examMsg.push(element.dataValues);
                });
                const data = {
                  examMsg,
                  count: result.count
                };
                this.setResponse(ctx, 200, '操作成功', "deconstruction", data);
            } else {
                this.setResponse(ctx, 404, '操作失败', "none");
            }
        } catch (error) {
            const blockName = fileName + "--" + "examList";
            ctx.app.middleware.log('../../controllerLog', blockName + ">>>>" + error);
            this.setResponse(ctx, 500, '服务器错误', "none");
        }
    }

    // 用户查看考试结果接口
    async gradesList() {
        const { ctx } = this;
        try {
            let rdmcode = await this.checkUid(ctx);
            if (!rdmcode) {
                this.setResponse(ctx, 401, 'token过期或错误', "none");
                return;
            }
            const uid = JSON.parse(rdmcode).uid;
            const body = ctx.request.body;
            const result = await ctx.service.exam.gradesList(uid, body);
            if (result == "error") {
                this.setResponse(ctx, 500, '服务器错误', "none");
                return;
            }
            if (result) {
                let gradesMsg = [];
                result.rows.forEach(element => {
                  gradesMsg.push(element.dataValues);
                });
                const data = {
                  gradesMsg,
                  count: result.count
                };
                this.setResponse(ctx, 200, '操作成功', "deconstruction", data);
            } else {
                this.setResponse(ctx, 404, '操作失败', "none");
            }
        } catch (error) {
            const blockName = fileName + "--" + "gradesList";
            ctx.app.middleware.log('../../controllerLog', blockName + ">>>>" + error);
            this.setResponse(ctx, 500, '服务器错误', "none");
        }
    }
    
    // 用户查看报名历史接口
    async applicationList() {
        const { ctx } = this;
        try {
            let rdmcode = await this.checkUid(ctx);
            if (!rdmcode) {
                this.setResponse(ctx, 401, 'token过期或错误', "none");
                return;
            }
            const uid = JSON.parse(rdmcode).uid;
            const body = ctx.request.body;
            const result = await ctx.service.exam.applicationList(uid, body);
            if (result == "error") {
                this.setResponse(ctx, 500, '服务器错误', "none");
                return;
            }
            if (result) {
                let applicationMsg = [];
                result.rows.forEach(element => {
                  applicationMsg.push(element.dataValues);
                });
                const data = {
                  applicationMsg,
                  count: result.count
                };
                this.setResponse(ctx, 200, '操作成功', "deconstruction", data);
            } else {
                this.setResponse(ctx, 404, '操作失败', "none");
            }
        } catch (error) {
            const blockName = fileName + "--" + "applicationList";
            ctx.app.middleware.log('../../controllerLog', blockName + ">>>>" + error);
            this.setResponse(ctx, 500, '服务器错误', "none");
        }
    }
}

module.exports = ExamController;