package kr.re.etri.autoflow.controllers;

import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.enums.ParameterIn;
import io.swagger.v3.oas.annotations.tags.Tag;
import kr.re.etri.autoflow.entity.ProjectEntity;
import kr.re.etri.autoflow.payload.request.BaseSearchRequest;
import kr.re.etri.autoflow.payload.request.ProjectRequest;
import kr.re.etri.autoflow.service.ProjectService;
import lombok.RequiredArgsConstructor;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.data.domain.Page;
import org.springframework.web.bind.annotation.ModelAttribute;

import java.util.List;

@Tag(name = "프로젝트 API", description = "Project CRUD 기능 제공")
@RestController
@RequestMapping("/api/projects")
@RequiredArgsConstructor
public class ProjectController {

    private final ProjectService projectService;

    @Operation(summary = "전체 프로젝트 목록 조회")
    @GetMapping
    public ResponseEntity<List<ProjectEntity>> getAllProjects() {
        return ResponseEntity.ok(projectService.findAll());
    }

    @Operation(summary = "ID로 프로젝트 조회")
    @GetMapping("/{id}")
    public ResponseEntity<ProjectEntity> getProjectById(
            @Parameter(description = "조회할 프로젝트 ID", required = true, in = ParameterIn.PATH)
            @PathVariable("id") Long id) {

        return projectService.findById(id)
                .map(ResponseEntity::ok)
                .orElse(ResponseEntity.notFound().build());
    }

    @Operation(summary = "검색 및 페이지네이션 프로젝트 목록 조회")
    @GetMapping("/search")
    public ResponseEntity<Page<ProjectEntity>> searchProjects(
            @ModelAttribute BaseSearchRequest request) {
        Page<ProjectEntity> page = projectService.search(request);
        return ResponseEntity.ok(page);
    }

    @Operation(summary = "프로젝트 생성")
    @PostMapping
    public ResponseEntity<?> createProject(@RequestBody ProjectEntity project) {
        try {
            ProjectEntity saved = projectService.create(project);
            return ResponseEntity.ok(saved);
        } catch (IllegalArgumentException e) {
            return ResponseEntity.badRequest().body(e.getMessage());
        }
    }

    @Operation(summary = "프로젝트 수정")
    @PutMapping("/{id}")
    public ResponseEntity<ProjectEntity> updateProject(
            @Parameter(description = "수정할 프로젝트 ID", required = true, in =  ParameterIn.PATH)
            @PathVariable("id") Long id,
            @RequestBody ProjectRequest dto) {

        return projectService.update(id, dto)
                .map(ResponseEntity::ok)
                .orElse(ResponseEntity.notFound().build());
    }

    @Operation(summary = "프로젝트 삭제")
    @DeleteMapping("/{id}")
    public ResponseEntity<Void> deleteProject(
            @Parameter(description = "삭제할 프로젝트 ID", required = true, in = ParameterIn.PATH)
            @PathVariable("id") Long id) {
        if (projectService.delete(id)) {
            return ResponseEntity.noContent().build();
        }
        return ResponseEntity.notFound().build();
    }
}