import { Controller, Get, Post, Patch, Delete, Param, Body, Query, Headers } from "@nestjs/common";
import { ApiTags, ApiOperation, ApiResponse, ApiParam, ApiQuery } from "@nestjs/swagger";
import { ProjectService } from "../providers/project.service";
import { CreateProjectDto } from "../dto/project/create-project.dto";
import { UpdateProjectDto } from "../dto/project/update-project.dto";
import { PaginationDto } from "../../../common/DTO/pagination.dto";
import { TMProject } from "../entities/project.entity";
import { AdminRoute } from "../../../common/decorators/admin.decorator";
import { PermissionsDec } from "../../../common/decorators/permission.decorator";
import { PermissionEnum } from "../../users/enums/permission.enum";

@AdminRoute()
@ApiTags("Task Manager - Projects")
@Controller("task-manager/projects")
export class ProjectController {
  constructor(private readonly projectService: ProjectService) {}

  @Get()
  @PermissionsDec(PermissionEnum.PROJECT)
  @ApiOperation({ summary: "Get all projects, optionally filtered by workspace" })
  @ApiQuery({ name: "workspaceId", required: false, description: "Filter projects by workspace ID" })
  @ApiResponse({ status: 200, description: "Paginated list of projects" })
  findAll(
    @Query() pagination: PaginationDto,
    @Query("workspaceId") workspaceId: string,
    @Headers("host") host: string,
    @Headers("x-forwarded-proto") proto?: string,
  ) {
    const protocol = proto ?? "http";
    const baseUrl = `${protocol}://${host}/task-manager/projects`;
    if (workspaceId) return this.projectService.findByWorkspace(workspaceId, pagination, baseUrl);
    return this.projectService.findAll(pagination, baseUrl);
  }

  @Get(":id")
  @PermissionsDec(PermissionEnum.PROJECT)
  @ApiOperation({ summary: "Get a project by ID" })
  @ApiParam({ name: "id", description: "Project ID" })
  @ApiResponse({ status: 200, description: "Project found", type: TMProject })
  @ApiResponse({ status: 404, description: "Project not found" })
  findOne(@Param("id") id: string): Promise<TMProject> {
    return this.projectService.findOneOrFail(id);
  }

  @Post()
  @PermissionsDec(PermissionEnum.PROJECT)
  @ApiOperation({ summary: "Create a new project" })
  @ApiResponse({ status: 201, description: "Project created", type: TMProject })
  @ApiResponse({ status: 400, description: "One or more users are not members of the workspace" })
  @ApiResponse({ status: 404, description: "Workspace not found" })
  create(@Body() body: CreateProjectDto): Promise<TMProject> {
    return this.projectService.create(body);
  }

  @Patch(":id")
  @PermissionsDec(PermissionEnum.PROJECT)
  @ApiOperation({ summary: "Update a project" })
  @ApiParam({ name: "id", description: "Project ID" })
  @ApiResponse({ status: 200, description: "Project updated", type: TMProject })
  @ApiResponse({ status: 400, description: "One or more users are not members of the workspace" })
  @ApiResponse({ status: 404, description: "Project not found" })
  update(@Param("id") id: string, @Body() body: UpdateProjectDto): Promise<TMProject> {
    return this.projectService.update(id, body);
  }

  @Delete(":id")
  @PermissionsDec(PermissionEnum.PROJECT)
  @ApiOperation({ summary: "Delete a project" })
  @ApiParam({ name: "id", description: "Project ID" })
  @ApiResponse({ status: 200, description: "Project deleted", type: TMProject })
  @ApiResponse({ status: 404, description: "Project not found" })
  remove(@Param("id") id: string): Promise<TMProject> {
    return this.projectService.remove(id);
  }

  @Get("/workspace/:wsId")
  @ApiOperation({summary: "Get projects of a specific workspace"})
  @ApiParam({ name: "wsId", description: "Workspace ID" })
  @ApiResponse({ status: 200, description: "received projects successfully!"})
  @ApiResponse({ status: 404, description: "WorkSpace not found" })
  findByWorkspace(@Param("wsId") wsId: string): Promise<TMProject[]> {
    return this.findByWorkspace(wsId);
  }
}