import { readFile } from "node:fs/promises";
import { extname, parse } from "node:path";
import {
  BadRequestException,
  Body,
  Controller,
  Get,
  Param,
  Patch,
  Post,
  Put,
  Query,
  UploadedFile,
  UseGuards,
  UseInterceptors,
} from "@nestjs/common";
import { FileInterceptor } from "@nestjs/platform-express";
import {
  ApiBearerAuth,
  ApiBody,
  ApiConsumes,
  ApiParam,
  ApiQuery,
  ApiTags,
  ApiOperation,
} from "@nestjs/swagger";
import { diskStorage } from "multer";
import { ClaimAccessGuard } from "src/auth/guards/claim-access.guard";
import { RolesGuard } from "src/auth/guards/role.guard";
import { Roles } from "src/decorators/roles.decorator";
import { CurrentUser } from "src/decorators/user.decorator";
import { RoleEnum } from "src/Types&Enums/role.enum";
import { DEFAULT_MEDIA_MAX_BYTES } from "src/client/client.service";
import { ClaimRequestManagementService } from "./claim-request-management.service";
import { ClaimRequiredDocumentType } from "src/Types&Enums/claim-request-management/required-document-type.enum";
import { CarDamagePartDto, OtherCarDamagePartDto } from "./dto/car-part.dto";
import { UserCommentDto } from "./dto/user-comment.dto";
import { UserObjectionDto } from "./dto/user-objection.dto";
import { InPersonVisitDto } from "./dto/in-person-visit.dto";
import { UserRatingDto } from "./dto/user-rating.dto";

@Controller("claim-request-management")
@ApiTags("claim-request-management")
@Roles(RoleEnum.USER, RoleEnum.EXPERT, RoleEnum.DAMAGE_EXPERT)
@UseGuards(ClaimAccessGuard, RolesGuard)
@ApiBearerAuth()
export class ClaimRequestManagementController {
  constructor(
    private readonly claimRequestManagementService: ClaimRequestManagementService,
  ) {}

  @ApiParam({ name: "blameId" })
  @ApiOperation({ deprecated: true })
  @Post("/:blameId")
  async createClaimRequest(
    @Param("blameId") requestId: string,
    @CurrentUser() user,
  ) {
    return await this.claimRequestManagementService.createClaimRequest(
      requestId,
      user.role === RoleEnum.USER ? user.sub : undefined,
      user,
    );
  }

  @ApiBody({ type: CarDamagePartDto })
  @ApiOperation({ deprecated: true })
  @Patch("/car-part-damage/:claimRequestID")
  @ApiParam({ name: "claimRequestID" })
  async carPartDamage(
    @Param("claimRequestID") requestId: string,
    @Body() body: CarDamagePartDto,
    @CurrentUser() user,
  ) {
    return await this.claimRequestManagementService.selectCarPartDamage(
      requestId,
      body,
      user,
    );
  }

  @ApiOperation({ deprecated: true })
  @Get("/car-other-part")
  async getCarOtherParts() {
    const carOtherPart = await readFile(
      `${process.cwd()}/src/static/car-part.json`,
      "utf-8",
    );
    return carOtherPart;
  }

  @ApiBody({ type: OtherCarDamagePartDto })
  @ApiParam({ name: "claimRequestID" })
  @UseInterceptors(
    FileInterceptor("file", {
      limits: {
        fileSize: DEFAULT_MEDIA_MAX_BYTES,
      },
      storage: diskStorage({
        destination: "./files/car-green-cards",
        filename: (req, file, callback) => {
          const unique = Date.now();
          const ex = extname(file.originalname);
          const filename = `${file.originalname.split(" ")[0]}-${unique}${ex}`;
          callback(null, filename);
        },
      }),
    }),
  )
  @ApiConsumes("multipart/form-data")
  @ApiOperation({ deprecated: true })
  @Patch("/car-other-part-damage/:claimRequestID")
  async carOtherPartDamage(
    @Param("claimRequestID") requestId: string,
    @UploadedFile() file,
    @Body() body: OtherCarDamagePartDto,
    @CurrentUser() user,
  ) {
    return await this.claimRequestManagementService.selectCarOtherPartDamage(
      requestId,
      body,
      file,
      user,
    );
  }

  @ApiOperation({ deprecated: true })
  @Get("required-documents-status/:claimRequestID")
  @ApiParam({ name: "claimRequestID" })
  async getRequiredDocumentsStatus(
    @Param("claimRequestID") requestId: string,
  ) {
    return await this.claimRequestManagementService.getRequiredDocumentsStatus(
      requestId,
    );
  }

  @ApiOperation({ deprecated: true })
  @Get("car-part-image-required/:claimRequestID")
  @ApiParam({ name: "claimRequestID" })
  async getImageRequired(@Param("claimRequestID") requestId) {
    return await this.claimRequestManagementService.getImageRequiredList(
      requestId,
    );
  }

  @ApiBody({
    schema: {
      type: "object",
      properties: {
        file: { type: "string", format: "binary" },
      },
    },
  })
  @UseInterceptors(
    FileInterceptor("file", {
      limits: { fileSize: DEFAULT_MEDIA_MAX_BYTES },
      storage: diskStorage({
        destination: "./files/claim-required-documents/",
        filename: (req, file, callback) => {
          const extension = extname(file.originalname);
          const basename = parse(file.originalname).name;
          const unique = Date.now();
          const sanitizedBasename = basename
            .replace(/\s/g, "_")
            .replace(/[^\w\-_]/g, "")
            .substring(0, 50);
          const filename = `${sanitizedBasename}-${unique}${extension}`;
          callback(null, filename);
        },
      }),
    }),
  )
  @ApiConsumes("multipart/form-data")
  @ApiParam({ name: "claimRequestID" })
  @ApiQuery({
    name: "documentType",
    enum: ClaimRequiredDocumentType,
    description: "Type of required document to upload",
  })
  @ApiOperation({ deprecated: true })
  @Patch("upload-required-document/:claimRequestID")
  async uploadRequiredDocument(
    @Param("claimRequestID") requestId: string,
    @Query("documentType") documentType: string,
    @UploadedFile("file") file: Express.Multer.File,
    @CurrentUser() user,
  ) {
    if (!file) {
      throw new BadRequestException("File is required");
    }
    return await this.claimRequestManagementService.uploadRequiredDocument(
      requestId,
      documentType as any,
      file,
      user,
    );
  }

  @ApiBody({
    schema: {
      type: "object",
      properties: {
        file: { type: "string", format: "binary" },
      },
    },
  })
  @UseInterceptors(
    FileInterceptor("file", {
      limits: { fileSize: DEFAULT_MEDIA_MAX_BYTES },
      storage: diskStorage({
        destination: "./files/car-parts/",
        filename: (req, file, callback) => {
          const extension = extname(file.originalname);
          const basename = parse(file.originalname).name;
          const unique = Date.now();
          // Sanitize filename: remove non-ASCII characters and special chars to avoid encoding issues
          const sanitizedBasename = basename
            .replace(/\s/g, "_")
            .replace(/[^\w\-_]/g, "") // Remove all non-word characters except hyphens and underscores
            .substring(0, 50); // Limit length
          const filename = `${sanitizedBasename}-${unique}${extension}`;
          callback(null, filename);
        },
      }),
    }),
  )
  @ApiConsumes("multipart/form-data")
  @ApiParam({ name: "claimRequestID" })
  @ApiParam({
    name: "partId",
    description: "The ID of the specific car part being photographed.",
  })
  @ApiOperation({ deprecated: true })
  @Patch("capture-car-part-damage/:claimRequestID/:partId")
  async captureCarPartDamage(
    @Param("partId") partId: string,
    @Param("claimRequestID") requestId: string,
    @UploadedFile("file") file: Express.Multer.File,
  ) {
    if (!file) {
      throw new BadRequestException("Image file is required.");
    }
    return await this.claimRequestManagementService.setDamageImage(
      requestId,
      partId,
      file,
    );
  }

  @ApiBody({
    schema: {
      type: "object",
      properties: {
        file: { type: "string", format: "binary" },
      },
    },
  })
  @UseInterceptors(
    FileInterceptor("file", {
      limits: { fileSize: DEFAULT_MEDIA_MAX_BYTES },
      storage: diskStorage({
        destination: "./files/car-capture-videos/",
        filename: (req, file, callback) => {
          const unique = Date.now();
          const ex = extname(file.originalname);
          const filename = `claim-video-${unique}${ex}`;
          callback(null, filename);
        },
      }),
    }),
  )
  @ApiConsumes("multipart/form-data")
  @ApiParam({ name: "claimRequestID" })
  @ApiOperation({ deprecated: true })
  @Patch("car-capture/:claimRequestID")
  async captureVideoCapture(
    @Param("claimRequestID") requestId: string,
    @UploadedFile("file") file: Express.Multer.File,
  ) {
    return await this.claimRequestManagementService.setVideoCapture(
      requestId,
      file,
    );
  }

  @ApiOperation({ deprecated: true })
  @Get("requests/")
  async getRequest(@CurrentUser() currentUser) {
    return await this.claimRequestManagementService.myRequests(currentUser);
  }

  @ApiOperation({ deprecated: true })
  @Get("request/:claimRequestId")
  @ApiParam({ name: "claimRequestId" })
  myRequests(
    @Param("claimRequestId") requestId: string,
    @CurrentUser() user,
  ) {
    return this.claimRequestManagementService.requestDetails(requestId, user);
  }

  @ApiOperation({ deprecated: true })
  @Put("request/reply/:claimRequestId")
  @ApiParam({ name: "claimRequestId" })
  @UseInterceptors(
    FileInterceptor("file", {
      limits: {
        fileSize: DEFAULT_MEDIA_MAX_BYTES,
      },
      storage: diskStorage({
        destination: "./files/claim-sign",
        filename: (req, file, callback) => {
          const unique = Date.now();
          const ex = extname(file.originalname);
          const filename = `${file.originalname.split(" ")[0]}-${unique}${ex}`;
          callback(null, filename);
        },
      }),
    }),
  )
  @ApiBody({
    type: UserCommentDto,
    description: "if partId null , you can upload video capture",
  })
  @ApiConsumes("multipart/form-data")
  @ApiParam({ name: "claimRequestId" })
  async submitReply(
    @Param("claimRequestId") requestId,
    @Body() body,
    @UploadedFile() file: Express.Multer.File,
    @CurrentUser() user,
  ) {
    return await this.claimRequestManagementService.submitUserReply(
      requestId,
      body,
      file,
      user,
    );
  }

  @ApiOperation({ deprecated: true })
  @Put("request/resend/:claimRequestId/objection")
  @ApiParam({ name: "claimRequestId" })
  @ApiConsumes("application/json")
  @ApiBody({
    type: UserObjectionDto,
    description: "Objection details with optional new parts",
  })
  async handleUserObjection(
    @Param("claimRequestId") claimRequestId: string,
    @Body() userObjectionDto: UserObjectionDto,
  ) {
    return await this.claimRequestManagementService.handleUserObjectionAndParts(
      claimRequestId,
      userObjectionDto,
    );
  }

  @ApiOperation({ deprecated: true })
  @Patch("request/resend/:claimRequestId")
  @ApiConsumes("multipart/form-data")
  @ApiParam({ name: "claimRequestId" })
  @ApiQuery({ name: "fields", enum: ["resendDocuments", "resendCarParts"] })
  @ApiQuery({ name: "partId", required: false })
  @ApiQuery({ name: "documentName", required: false })
  @ApiQuery({ name: "side", required: false })
  @ApiBody({
    schema: {
      type: "object",
      properties: {
        file: {
          type: "string",
          format: "binary",
        },
      },
    },
  })
  @UseInterceptors(
    FileInterceptor("file", {
      storage: diskStorage({
        destination: "./files/claim-resend-documents",
        filename: (req, file, callback) => {
          const unique = Date.now();
          const ext = extname(file.originalname);
          const filename = `${file.originalname.split(" ")[0]}-${unique}${ext}`;
          callback(null, filename);
        },
      }),
      limits: { fileSize: DEFAULT_MEDIA_MAX_BYTES },
    }),
  )
  async uploadDocuments(
    @Param("claimRequestId") claimId: string,
    @Query() query: string,
    @UploadedFile() file: Express.Multer.File,
    @CurrentUser() user,
  ) {
    return await this.claimRequestManagementService.resendFiles(
      claimId,
      file,
      query,
      user,
    );
  }

  /**
   * User satisfaction rating for a completed claim file.
   * Only the damaged user (claim owner) can rate their claim after it is closed.
   */
  @ApiOperation({ deprecated: true })
  @Put("request/:claimRequestId/user-rating")
  @ApiParam({ name: "claimRequestId" })
  @ApiBody({ type: UserRatingDto })
  async addUserRating(
    @Param("claimRequestId") claimRequestId: string,
    @Body() ratingDto: UserRatingDto,
    @CurrentUser() user,
  ) {
    return await this.claimRequestManagementService.addUserRating(
      claimRequestId,
      user,
      ratingDto,
    );
  }

  @ApiOperation({ deprecated: true })
  @Patch("request/reply/:claimRequestId/:partId/upload-factor")
  @ApiConsumes("multipart/form-data")
  @ApiParam({ name: "claimRequestId" })
  @ApiParam({ name: "partId" })
  @ApiBody({
    schema: {
      type: "object",
      properties: {
        file: {
          type: "string",
          format: "binary",
        },
      },
    },
  })
  @UseInterceptors(
    FileInterceptor("file", {
      storage: diskStorage({
        destination: "./files/claim-factors",
        filename: (req, file, callback) => {
          const unique = Date.now();
          const filename = `-${unique}-${file.originalname}`;
          callback(null, filename);
        },
      }),
      limits: { fileSize: DEFAULT_MEDIA_MAX_BYTES },
    }),
  )
  async uploadFactorForPart(
    @Param("claimRequestId") claimId: string,
    @Param("partId") partId: string,
    @UploadedFile() file: Express.Multer.File,
    @CurrentUser() user,
  ) {
    return await this.claimRequestManagementService.uploadClaimFactor(
      claimId,
      partId,
      file,
      user,
    );
  }

  @ApiBody({ type: InPersonVisitDto })
  @ApiParam({ name: "id" })
  @ApiOperation({ deprecated: true })
  @Patch(":id/visit")
  async inPersonVisit(
    @Param("id") requestId: string,
    @Body() body: InPersonVisitDto,
    @CurrentUser() actor,
  ) {
    // Pass the branchId from the body to the service
    return await this.claimRequestManagementService.inPersonVisit(
      requestId,
      body.branchId,
      actor,
    );
  }

  @ApiOperation({ deprecated: true })
  @Get("branches/:insuranceId")
  async insuranceBranches(@Param("insuranceId") insuranceId: string) {
    return await this.claimRequestManagementService.retrieveInsuranceBranches(
      insuranceId,
    );
  }

  @ApiOperation({ deprecated: true })
  @Get("fanavaran-submit/:claimRequestId")
  @ApiParam({ name: "claimRequestId" })
  async fanavaranSubmit(@Param("claimRequestId") claimRequestId: string) {
    return await this.claimRequestManagementService.fanavaranSubmit(
      claimRequestId,
    );
  }

  @ApiOperation({ deprecated: true })
  @Post("fanavaran-submit/:claimRequestId")
  @ApiParam({ name: "claimRequestId" })
  async submitToFanavaran(@Param("claimRequestId") claimRequestId: string) {
    return await this.claimRequestManagementService.submitToFanavaran(
      claimRequestId,
    );
  }
}