import {
  Controller,
  Get,
  Post,
  Put,
  Delete,
  Patch,
  Route,
  Security,
  Tags,
  Body,
  Path,
  Request,
  Example,
  SuccessResponse,
  Response,
  Query,
} from "tsoa";
import { AppDataSource } from "../database/data-source";
import HttpSuccess from "../interfaces/http-success";
import HttpStatusCode from "../interfaces/http-status";
import HttpError from "../interfaces/http-error";
import { Equal, ILike, In, IsNull, Like, Not, Brackets, Between } from "typeorm";
import { EmployeePosDict, CreateEmployeePosDict, UpdateEmployeePosDict } from "../entities/EmployeePosDict";
import { EmployeePosType, CreateEmployeePosType, UpdateEmployeePosType } from "../entities/EmployeePosType";
import { EmployeePosLevel, CreateEmployeePosLevel, UpdateEmployeePosLevel } from "../entities/EmployeePosLevel";
import { KeyObject } from "crypto";

@Route("api/v1/org/employee/pos")
@Tags("Employee")
@Security("bearerAuth")
@Response(
  HttpStatusCode.INTERNAL_SERVER_ERROR,
  "เกิดข้อผิดพลาด ไม่สามารถแสดงรายการได้ กรุณาลองใหม่ในภายหลัง",
)
@SuccessResponse(HttpStatusCode.OK, "สำเร็จ")
export class EmployeePositionController extends Controller {

  private employeePosDictRepository = AppDataSource.getRepository(EmployeePosDict);
  private employeePosTypeRepository = AppDataSource.getRepository(EmployeePosType);
  private employeePosLevelRepository = AppDataSource.getRepository(EmployeePosLevel);
  
  /**
   * API เพิ่มตำแหน่งลูกจ้างประจำ
   *
   * @summary ORG_ - เพิ่มตำแหน่งลูกจ้างประจำ (ADMIN) #
   *
   */
  @Post("position")
  async CreateEmployeePosition(
    @Body()
    requestBody: CreateEmployeePosDict,
    @Request() request: { user: Record<string, any> },
  ) {

    const empPosDict = Object.assign(new EmployeePosDict(), requestBody);
    if (!empPosDict) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูล");
    }

    const EmpPosType = await this.employeePosTypeRepository.findOne({
      where: { id: String(requestBody.employeePosTypeId) },
    });
    if (!EmpPosType) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลกลุ่มงานนี้");
    }

    const EmpPosLevel = await this.employeePosLevelRepository.findOne({
      where: { id: String(requestBody.employeePosLevelId) },
    });
    if (!EmpPosLevel) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลระดับชั้นงานนี้");
    }

    const rowRepeated = await this.employeePosDictRepository.findOne({
      where: {
        posDictName: String(requestBody.posDictName),
        employeePosTypeId: String(requestBody.employeePosTypeId),
        employeePosLevelId: String(requestBody.employeePosLevelId),
      },
    });
    if (rowRepeated) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ข้อมูล Row นี้มีอยู่ในระบบแล้ว");
    }

    empPosDict.createdUserId = request.user.sub;
    empPosDict.createdFullName = request.user.name;
    empPosDict.lastUpdateUserId = request.user.sub;
    empPosDict.lastUpdateFullName = request.user.name;
    await this.employeePosDictRepository.save(empPosDict);
    return new HttpSuccess(empPosDict.id);
  }

  /**
   * API แก้ไขตำแหน่งลูกจ้างประจำ
   *
   * @summary แก้ไขตำแหน่งลูกจ้างประจำ (ADMIN)
   *
   */
  @Put("position/{id}")
  async updatePosition(
    @Path() id: string,
    @Body()
    requestBody: UpdateEmployeePosDict,
    @Request() request: { user: Record<string, any> },
  ) {
    const empPosDict = await this.employeePosDictRepository.findOne({
      where: { id: id },
    });
    if (!empPosDict) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลตำแหน่งลูกจ้างประจำนี้");
    }

    const checkEmpPosTypeId = await this.employeePosTypeRepository.findOne({
      where: { id: requestBody.employeePosTypeId },
    });
    if (!checkEmpPosTypeId) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลกลุ่มงานนี้");
    }

    const checkEmpPosLevelId = await this.employeePosLevelRepository.findOne({
      where: { id: requestBody.employeePosLevelId },
    });
    if (!checkEmpPosLevelId) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลระดับกลุ่มงานนี้");
    }

    const rowRepeated = await this.employeePosDictRepository.findOne({
      where: {
        id: Not(id),
        posDictName: requestBody.posDictName,
        employeePosTypeId: requestBody.employeePosTypeId,
        employeePosLevelId: requestBody.employeePosLevelId,
      },
    });
    if (rowRepeated) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ข้อมูล Row นี้มีอยู่ในระบบแล้ว");
    }

    empPosDict.lastUpdateUserId = request.user.sub;
    empPosDict.lastUpdateFullName = request.user.name;
    this.employeePosDictRepository.merge(empPosDict, requestBody);
    await this.employeePosDictRepository.save(empPosDict);
    return new HttpSuccess(empPosDict.id);
  }

  /**
   * API ลบตำแหน่งลูกจ้างประจำ
   *
   * @summary ORG_ - ลบตำแหน่งลูกจ้างประจำ (ADMIN) #
   *
   * @param {string} id  Id ตำแหน่งลูกจ้างประจำ
   */
  @Delete("position/{id}")
  async delete(@Path() id: string) {
    const delEmpPosDict = await this.employeePosDictRepository.findOne({ where: { id } });
    if (!delEmpPosDict) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลตำแหน่งลูกจ้างประจำนี้");
    }
    await this.employeePosDictRepository.remove(delEmpPosDict);
    return new HttpSuccess();
  }

  /**
   * API รายละเอียดข้อมูลตำแหน่งลูกจ้างประจำ
   *
   * @summary ORG_037 - รายละเอียดข้อมูลตำแหน่งลูกจ้างประจำ (ADMIN) #
   *
   */
  @Get("position/{id}")
  async GetEmpPositionById(@Path() id: string) {
    const empPosDict = await this.employeePosDictRepository.findOne({
      select: ["id", "posDictName", "employeePosTypeId", "employeePosLevelId"],
      where: { id: id },
    });
    if (!empPosDict) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลกลุ่มงานนี้");
    }
    const empPosType = await this.employeePosTypeRepository.findOne({
      select: ["id", "posTypeName", "posTypeRank", "posTypeShortName"],
      where: { id: empPosDict.employeePosTypeId },
    });
    if (!empPosType) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลระดับชั้นงานนี้");
    }
    const empPosLevel = await this.employeePosLevelRepository.findOne({
      select: ["id", "posLevelName", "posLevelRank"],
      where: { id: empPosDict.employeePosLevelId },
    });
    if (!empPosLevel) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลตำแหน่งลูกจ้างประจำนี้");
    }
    
    const mapData = {
      id: empPosDict.id,
      posDictName: empPosDict.posDictName, //ชื่อตำแหน่ง
      posTypeName: empPosType.posTypeName, //กลุ่มงาน
      posLevelName: empPosLevel.posLevelName, //ระดับขั้นงาน
    }
    return new HttpSuccess(mapData);
  }

  /**
   * API ค้นหารายการตำแหน่งลูกจ้างประจำ
   *
   * @summary ORG_ - ค้นหารายการตำแหน่งลูกจ้างประจำ (ADMIN) #
   *
   */
  @Get("position")
  async GetEmpPosition(@Query("keyword") keyword?: string, @Query("type") type?: string) {
    let findData: any;
    switch (type) {
      case "posDictName":
        findData = await this.employeePosDictRepository.find({
          where: { posDictName: Like(`%${keyword}%`) },
          relations: ["employeePosType", "employeePosLevel"],
        });
        break;

      case "posTypeName":
        const findEmpTypes: EmployeePosType[] = await this.employeePosTypeRepository.find({
          where: { posTypeName: Like(`%${keyword}%`) },
          select: ["id"],
        });
        findData = await this.employeePosDictRepository.find({
          where: { employeePosTypeId: In(findEmpTypes.map((x) => x.id)) },
          relations: ["employeePosType", "employeePosLevel"],
        });
        break;

      case "posLevelName":
        if(!isNaN(Number(keyword))) {
          const findEmpLevels: EmployeePosLevel[] = await this.employeePosLevelRepository.find({
            where: { posLevelName: Number(keyword) },
          });
          findData = await this.employeePosDictRepository.find({
            where: { employeePosLevelId: In(findEmpLevels.map((x) => x.id)) },
            relations: ["employeePosType", "employeePosLevel"],
          });
        }
        else { //กรณีเลือกค้นหาจาก"ระดับชั้นงาน" แต่กรอกไม่ใช่ number ให้ปล่อยมาหมดเลย
          findData = await this.employeePosDictRepository.find({
            relations: ["employeePosType", "employeePosLevel"],
          });
        }
        break;

      default:
        findData = await this.employeePosDictRepository.find({
          relations: ["employeePosType", "employeePosLevel"],
        });
        break;
    }
    const mapDataEmpPosDict = await Promise.all(
      findData.map(async (item: any) => {
        return {
          id: item.id,
          posDictName: item.posDictName,
          posTypeName: item.posType == null ? null : item.posType.posTypeName,
          posLevelName: item.posLevel == null ? null : item.posLevel.posLevelName,
        };
      }),
    );
    return new HttpSuccess(mapDataEmpPosDict);
  }
}