import {
  Body,
  Controller,
  Delete,
  Get,
  HttpCode,
  HttpStatus,
  Param,
  ParseUUIDPipe,
  Patch,
  Post,
  Query,
} from "@nestjs/common";
import { ApiBearerAuth, ApiOperation, ApiTags } from "@nestjs/swagger";

import { PortalCustomer } from "../../common/booking-guards";
import {
  RuleEngineCreate,
  RuleEngineDelete,
  RuleEngineUpdate,
  RuleEngineView,
} from "../../common/rule-engine-guards";

import { BackofficeResetPasswordDto } from "../auth/dto/forgot-password.dto";
import { CreateTransitAgentDto } from "./dto/create-transit-agent.dto";
import { InviteTransitAgentDto } from "./dto/invite-transit-agent.dto";
import { UpdateTransitAgentDto } from "./dto/update-transit-agent.dto";
import { TransitAgentsService } from "./transit-agents.service";

@ApiTags("transit-agents")
@Controller("transit-agents")
@ApiBearerAuth()
export class TransitAgentsController {
  constructor(private readonly transitAgentsService: TransitAgentsService) {}

  @Get()
  @RuleEngineView("transit-agents")
  @ApiOperation({ summary: "List transit agents" })
  findAll(@Query() query: Record<string, string | undefined>) {
    return this.transitAgentsService.findAll({
      isActive:
        query.isActive === "all"
          ? undefined
          : query.isActive !== undefined
            ? query.isActive === "true"
            : undefined,
      page: query.page ? parseInt(query.page, 10) : undefined,
      pageSize: query.pageSize ? parseInt(query.pageSize, 10) : undefined,
      sortBy: query.sortBy,
      sortOrder: query.sortOrder,
    });
  }

  /** Active officers — the transit-assignee assignment dropdown. */
  @Get("assignable")
  @RuleEngineView("transit-agents")
  @ApiOperation({ summary: "List active transit agents (assignable)" })
  findAssignable() {
    return this.transitAgentsService.findAssignable();
  }

  /**
   * The Ethiopian roster, id + name only, for a customer registering as a
   * freight forwarder to pick itself from. Declared before `:id` so the
   * literal path is not swallowed by the UUID route.
   */
  @Get("forwarder-options")
  @PortalCustomer()
  @ApiOperation({
    summary:
      "List active Ethiopian transit agents (id + name) a freight forwarder can register as",
  })
  findForwarderOptions() {
    return this.transitAgentsService.findForwarderOptions();
  }

  /**
   * The Djibouti roster, id + name only, for the clearing agent on a booking
   * to name the transit officer. Also before `:id` for the same reason.
   */
  @Get("djibouti-options")
  @PortalCustomer()
  @ApiOperation({
    summary:
      "List active Djibouti transit agents (id + name) an assigned clearing agent can hand the transit leg to",
  })
  findDjiboutiOptions() {
    return this.transitAgentsService.findDjiboutiOptions();
  }

  @Get(":id")
  @RuleEngineView("transit-agents")
  @ApiOperation({ summary: "Get a transit agent by ID" })
  findOne(@Param("id", ParseUUIDPipe) id: string) {
    return this.transitAgentsService.findById(id);
  }

  @Post()
  @RuleEngineCreate("transit-agents")
  @ApiOperation({
    summary:
      "Create a transit agent; with an email, also creates its portal account and sends the activation link",
  })
  create(@Body() dto: CreateTransitAgentDto) {
    return this.transitAgentsService.createWithInvite(dto);
  }

  /**
   * The path for the roster entries already in production: they were created
   * before transit agents had logins, so they get their account here rather
   * than at create time.
   */
  @Post(":id/invite")
  @RuleEngineUpdate("transit-agents")
  @ApiOperation({
    summary:
      "Create a portal account for an existing transit agent and send the activation link",
  })
  invite(
    @Param("id", ParseUUIDPipe) id: string,
    @Body() dto: InviteTransitAgentDto,
  ) {
    return this.transitAgentsService.invite(id, dto);
  }

  @Post(":id/resend-activation")
  @RuleEngineUpdate("transit-agents")
  @ApiOperation({
    summary: "Resend a transit agent's activation / password-reset link",
  })
  resendActivation(
    @Param("id", ParseUUIDPipe) id: string,
    @Body() dto: BackofficeResetPasswordDto,
  ) {
    return this.transitAgentsService.resendActivation(id, dto.channel);
  }

  @Patch(":id")
  @RuleEngineUpdate("transit-agents")
  @ApiOperation({ summary: "Update a transit agent" })
  update(
    @Param("id", ParseUUIDPipe) id: string,
    @Body() dto: UpdateTransitAgentDto,
  ) {
    return this.transitAgentsService.update(id, dto);
  }

  @Delete(":id")
  @RuleEngineDelete("transit-agents")
  @HttpCode(HttpStatus.NO_CONTENT)
  @ApiOperation({ summary: "Soft-delete a transit agent" })
  remove(@Param("id", ParseUUIDPipe) id: string) {
    return this.transitAgentsService.remove(id);
  }
}