package com.mydreamjob.company;

import com.mydreamjob.company.dto.CompanyCreateRequest;
import com.mydreamjob.company.dto.CompanyPublicView;
import com.mydreamjob.company.dto.CompanyUpdateRequest;
import com.mydreamjob.common.api.ApiResponse;
import com.mydreamjob.job.dto.JobSearchItem;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.validation.Valid;
import lombok.RequiredArgsConstructor;
import org.springframework.data.domain.Page;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.Map;

@Tag(name = "企业", description = "企业资料创建、查询与更新")
@RestController
@RequestMapping("/companies")
@RequiredArgsConstructor
public class CompanyController {

    /** R01-A2：身份只来自安全上下文，不接受请求参数传入的 userId。 */
    private final com.mydreamjob.security.CurrentUserAccessor currentUserAccessor;
    /** R01-A2：requestId 只来自过滤器规范化后的唯一产出点。 */
    private final com.mydreamjob.common.logging.RequestIdAccessor requestIdAccessor;

    private final CompanyService companyService;
    private final CompanyOnboardingService companyOnboardingService;

    @Operation(summary = "查询企业入驻状态", description = "返回当前企业资料、认证状态和允许动作")
    @GetMapping("/me/onboarding")
    public ResponseEntity<ApiResponse<CompanyOnboardingResponse>> getMyOnboarding(HttpServletRequest request) {
        Long userId = currentUserAccessor.requireUserId();
        return ResponseEntity.ok(ApiResponse.ok(companyOnboardingService.get(userId), requestIdAccessor.get(request)));
    }

    // ── 创建 ──────────────────────────────────────────────────

    @Operation(summary = "创建企业资料", description = "仅 COMPANY 角色可调用；已存在时返回 409")
    @PostMapping("/me")
    public ResponseEntity<ApiResponse<Map<String, Object>>> createMyCompany(
            @Valid @RequestBody CompanyCreateRequest req,
            HttpServletRequest request) {
        Long userId = currentUserAccessor.requireUserId();
        Company company = companyService.createCompany(userId, req);
        return ResponseEntity.ok(ApiResponse.ok(companyService.toView(company), requestIdAccessor.get(request)));
    }

    // ── 查询 ──────────────────────────────────────────────────

    @Operation(summary = "查询当前企业资料", description = "返回当前登录用户绑定的企业资料，未绑定企业返回 404")
    @GetMapping("/me")
    public ResponseEntity<ApiResponse<Map<String, Object>>> getMyCompany(HttpServletRequest request) {
        Long userId = currentUserAccessor.requireUserId();
        Map<String, Object> view = companyService.toView(companyService.findCompanyByOwnerUserId(userId));
        if (view == null) {
            return ResponseEntity.status(404).body(
                    ApiResponse.error(404, "company not found", requestIdAccessor.get(request)));
        }
        return ResponseEntity.ok(ApiResponse.ok(view, requestIdAccessor.get(request)));
    }

    // ── 更新 ──────────────────────────────────────────────────

    @Operation(summary = "更新企业资料", description = "仅更新传入的非 null 字段；未绑定企业时返回 404")
    @PutMapping("/me")
    public ResponseEntity<ApiResponse<Map<String, Object>>> updateMyCompany(
            @Valid @RequestBody CompanyUpdateRequest req,
            HttpServletRequest request) {
        Long userId = currentUserAccessor.requireUserId();
        Map<String, Object> view = companyService.toView(companyService.updateCompany(userId, req));
        return ResponseEntity.ok(ApiResponse.ok(view, requestIdAccessor.get(request)));
    }

    // ── 公开端：企业详情 ────────────────────────────────────────

    @Operation(summary = "查询企业公开详情", description = "匿名可访问，仅返回 6 个公开字段")
    @GetMapping("/{companyId}")
    public ResponseEntity<ApiResponse<CompanyPublicView>> getPublicCompany(
            @PathVariable Long companyId,
            HttpServletRequest request) {
        CompanyPublicView view = companyService.getPublicCompany(companyId);
        return ResponseEntity.ok(ApiResponse.ok(view, requestIdAccessor.get(request)));
    }

    // ── 公开端：企业岗位列表 ────────────────────────────────────

    @Operation(summary = "查询企业公开岗位列表", description = "匿名可访问，仅返回 PUBLISHED 岗位")
    @GetMapping("/{companyId}/jobs")
    public ResponseEntity<ApiResponse<Map<String, Object>>> getCompanyJobs(
            @PathVariable Long companyId,
            @RequestParam(defaultValue = "0") int page,
            @RequestParam(defaultValue = "20") int size,
            @RequestParam(defaultValue = "latest") String sort,
            HttpServletRequest request) {
        Page<JobSearchItem> result = companyService.getCompanyJobs(companyId, sort, page, size);
        Map<String, Object> data = new HashMap<>();
        data.put("items", result.getContent());
        data.put("total", result.getTotalElements());
        data.put("page", result.getNumber());
        data.put("size", result.getSize());
        data.put("totalPages", result.getTotalPages());
        return ResponseEntity.ok(ApiResponse.ok(data, requestIdAccessor.get(request)));
    }

}