package com.gcsc.guide.controller;

import com.gcsc.guide.dto.AddPermissionRequest;
import com.gcsc.guide.dto.CreateRoleRequest;
import com.gcsc.guide.dto.RoleResponse;
import com.gcsc.guide.service.RoleService;
import jakarta.validation.Valid;
import lombok.RequiredArgsConstructor;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.net.URI;
import java.util.List;

/**
 * 관리자 롤/권한 관리 API
 */
@RestController
@RequestMapping("/api/admin/roles")
@RequiredArgsConstructor
public class AdminRoleController {

    private final RoleService roleService;

    /** 전체 롤 목록 */
    @GetMapping
    public ResponseEntity<List<RoleResponse>> getRoles() {
        return ResponseEntity.ok(roleService.getRoles());
    }

    /** 롤 생성 */
    @PostMapping
    public ResponseEntity<RoleResponse> createRole(@Valid @RequestBody CreateRoleRequest request) {
        RoleResponse role = roleService.createRole(request.name(), request.description());
        return ResponseEntity.created(URI.create("/api/admin/roles/" + role.id())).body(role);
    }

    /** 롤 수정 */
    @PutMapping("/{id}")
    public ResponseEntity<RoleResponse> updateRole(
            @PathVariable Long id,
            @Valid @RequestBody CreateRoleRequest request) {
        return ResponseEntity.ok(roleService.updateRole(id, request.name(), request.description()));
    }

    /** 롤 삭제 */
    @DeleteMapping("/{id}")
    public ResponseEntity<Void> deleteRole(@PathVariable Long id) {
        roleService.deleteRole(id);
        return ResponseEntity.noContent().build();
    }

    /** 롤의 URL 패턴 목록 */
    @GetMapping("/{id}/permissions")
    public ResponseEntity<List<String>> getPermissions(@PathVariable Long id) {
        return ResponseEntity.ok(roleService.getPermissions(id));
    }

    /** URL 패턴 추가 */
    @PostMapping("/{id}/permissions")
    public ResponseEntity<RoleResponse> addPermission(
            @PathVariable Long id,
            @Valid @RequestBody AddPermissionRequest request) {
        return ResponseEntity.ok(roleService.addPermission(id, request.urlPattern()));
    }

    /** URL 패턴 삭제 */
    @DeleteMapping("/permissions/{permissionId}")
    public ResponseEntity<Void> deletePermission(@PathVariable Long permissionId) {
        roleService.deletePermission(permissionId);
        return ResponseEntity.noContent().build();
    }
}