import { Service, Paging } from "entity";
import { NextFunction, Response } from "express";
import { Request } from "express-jwt";
import Joi from "joi";
import { ILogObj, Logger } from "tslog";
import CommonHelper from "../helpers/common";
import { ReturnHelper } from "../helpers/express/return";
import { Language } from "../langs/lang";
import { ServiceModel } from "../model/service";
import { ServiceToDepartModel } from "../model/service_to_depart";
import { RoomModel } from "../model/room";
import { OrmHelper } from "../helpers/orm";
import moment from "moment";

const log: Logger<ILogObj> = new Logger({
    name: "[ServiceToDepartController]",
    type: "pretty",
});

export class ServiceToDepartController {

    // Controller
    static async list(req: Request, res: Response, next: NextFunction): Promise<void | Response> {
        /*
           #swagger.tags = ['Service to Depart']
           #swagger.security = [{ "bearerAuth": [] }]
           #swagger.parameters['filter'] = { description: '', in: 'query', type: 'string' }
           #swagger.parameters['limit'] = { in: 'query', required: true, type: 'number' }
           #swagger.parameters['page'] = { in: 'query', required: true, type: 'number' }
          #swagger.parameters['with_deleted'] = { in: 'query', required: true, type: 'boolean' }
           #swagger.parameters['order_field'] = { in: 'query', required: true, type: 'string' }
           #swagger.parameters['order_direction'] = { in: 'query', required: true, schema: { '@enum': ['ASC', 'DESC'] } }
           */
        try {
            const schema = Joi.object().keys({
                filter: Joi.string().allow("").optional().label("Filter"),
                page: Joi.number().required().min(1).label("Page"),
                limit: Joi.number().required().min(1).label("Limit"),
                with_deleted: Joi.bool().required().label("With Deleted"),
                order_field: Joi.string().required().label("Order Field"),
                order_direction: Joi.string().allow("asc", "desc").required().label("Order Direction"),
            });

            let param: Paging = await schema.validateAsync(req.query);
            let filter = param.filter && param.filter !== "" ? JSON.parse(param.filter) : {};

            // Get total count of unique rooms
            const total_count_data = await ServiceToDepartModel.countRooms(filter, param.with_deleted);

            // Get all services dengan rooms
            const query = await ServiceToDepartModel.list(filter, param.with_deleted);
            const services = await query
                .orderBy("Service." + param.order_field, param.order_direction)
                .getMany();

            // Transform data: Group by room
            const roomMap = new Map();

            services.forEach(service => {
                service.rooms.forEach(room => {
                    if (!roomMap.has(room.id)) {
                        roomMap.set(room.id, {
                            room_id: room.id,
                            department_name: room.department?.name || null,
                            services: []
                        });
                    }

                    // Add service to room's services array
                    roomMap.get(room.id).services.push({
                        service_id: service.id,
                        service_name: service.name
                    });
                });
            });

            // Convert Map to Array
            const allRooms = Array.from(roomMap.values());

            // Apply paging
            const offset = (param.page - 1) * param.limit;
            const list_data = allRooms.slice(offset, offset + param.limit);
            const count_data = list_data.length;

            return ReturnHelper.successResponselist(
                res,
                200,
                Language.lang.success_view,
                count_data,
                param.page,
                total_count_data,
                list_data
            );
        } catch (e: unknown) {
            log.error(e);
            const err = e as Error;
            return ReturnHelper.errorResponse(
                res,
                400,
                401,
                Language.lang.failed_view,
                err.message
            );
        }
    }

    static async update(req: Request, res: Response, next: NextFunction): Promise<void | Response> {
        /*
     #swagger.tags = ['Service to Depart']
     #swagger.security = [{ "bearerAuth": [] }]
     #swagger.parameters['id'] = { description: 'Service ID', in: 'path', type: 'string' }
     #swagger.requestBody = { required: true, content: { "application/json": { schema: { $ref: "#/components/schemas/servicetodepart" } } } }
     */
        const queryRunner = OrmHelper.DB.createQueryRunner();
        await queryRunner.startTransaction();

        try {
            req.body.id = req.params["id"];

            const schema = Joi.object().keys({
                id: Joi.string().uuid().required().label("Service ID"),
                room_ids: Joi.array().items(Joi.string().uuid()).optional().label("Room IDs"),
            });

            let param: any = await schema.validateAsync(req.body);

            let service = await ServiceModel.list({ "Service.id": param.id })
                .then((q) => q.leftJoinAndSelect("Service.serviceType", "st").leftJoinAndSelect("Service.rooms", "r").getOne());

            if (!service) throw { message: "Service " + Language.lang.failed_not_found };

            let rooms: any[] = [];
            if (param.room_ids && param.room_ids.length > 0) {
                for (const roomId of param.room_ids) {
                    const room = await RoomModel.list({ id: roomId }).then((q) => q.getOne());
                    if (room) rooms.push(room);
                }
            }

            service.rooms = rooms;
            service.updated_by = req.auth.data.name;
            await queryRunner.manager.save(service);

            await queryRunner.commitTransaction();

            return ReturnHelper.successResponseAny(res, 200, Language.lang.success_update, service);
        } catch (e: unknown) {
            await queryRunner.rollbackTransaction();
            log.error(e);
            const err = e as Error;
            return ReturnHelper.errorResponse(res, 400, 401, Language.lang.failed_view, err.message);
        } finally {
            await queryRunner.release();
        }
    }
}