package com.mydreamjob.talentinvitation;

import com.mydreamjob.audit.AuditContext;
import com.mydreamjob.common.api.ApiResponse;
import com.mydreamjob.common.exception.BusinessException;
import com.mydreamjob.common.exception.ErrorCode;
import com.mydreamjob.talentinvitation.dto.*;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.media.Content;
import io.swagger.v3.oas.annotations.media.Schema;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import io.swagger.v3.oas.annotations.security.SecurityRequirement;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.validation.Valid;
import lombok.RequiredArgsConstructor;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.bind.annotation.*;

@RestController
@RequiredArgsConstructor
@Tag(name = "企业人才邀约", description = "企业发起邀约，学生同意后建立站内会话")
public class TalentInvitationController {
    private final TalentInvitationService service;

    @PostMapping("/companies/me/jobs/{jobId}/talent-invitations")
    @Operation(summary = "创建人才邀约", security = @SecurityRequirement(name = "bearerAuth"))
    @ApiResponses(@io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", content = @Content(schema = @Schema(ref = "#/components/schemas/ApiResponseCompanyTalentInvitationResponse"))))
    public ApiResponse<CompanyTalentInvitationResponse> create(@PathVariable Long jobId,
                                                               @Valid @RequestBody CreateTalentInvitationRequest body,
                                                               HttpServletRequest request) {
        return ApiResponse.ok(service.create(userId(), jobId, body, AuditContext.from(request)), requestId(request));
    }

    @GetMapping("/companies/me/talent-invitations")
    @Operation(summary = "企业邀约列表", security = @SecurityRequirement(name = "bearerAuth"))
    @ApiResponses(@io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", content = @Content(schema = @Schema(ref = "#/components/schemas/ApiResponseCompanyTalentInvitationPageResponse"))))
    public ApiResponse<TalentInvitationPageResponse<CompanyTalentInvitationResponse>> listCompany(
            @RequestParam(defaultValue = "0") int page, @RequestParam(defaultValue = "20") int size,
            HttpServletRequest request) {
        return ApiResponse.ok(service.listCompany(userId(), page, size), requestId(request));
    }

    @GetMapping("/companies/me/talent-invitations/{invitationId}")
    @Operation(summary = "企业邀约详情", security = @SecurityRequirement(name = "bearerAuth"))
    @ApiResponses(@io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", content = @Content(schema = @Schema(ref = "#/components/schemas/ApiResponseCompanyTalentInvitationResponse"))))
    public ApiResponse<CompanyTalentInvitationResponse> getCompany(@PathVariable Long invitationId,
                                                                   HttpServletRequest request) {
        return ApiResponse.ok(service.getCompany(userId(), invitationId, AuditContext.from(request)), requestId(request));
    }

    @GetMapping("/profile/me/talent-invitations")
    @Operation(summary = "学生收到的邀约列表", security = @SecurityRequirement(name = "bearerAuth"))
    @ApiResponses(@io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", content = @Content(schema = @Schema(ref = "#/components/schemas/ApiResponseStudentTalentInvitationPageResponse"))))
    public ApiResponse<TalentInvitationPageResponse<StudentTalentInvitationResponse>> listStudent(
            @RequestParam(defaultValue = "0") int page, @RequestParam(defaultValue = "20") int size,
            HttpServletRequest request) {
        return ApiResponse.ok(service.listStudent(userId(), page, size), requestId(request));
    }

    @GetMapping("/profile/me/talent-invitations/{invitationId}")
    @Operation(summary = "学生邀约详情", security = @SecurityRequirement(name = "bearerAuth"))
    @ApiResponses(@io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", content = @Content(schema = @Schema(ref = "#/components/schemas/ApiResponseStudentTalentInvitationResponse"))))
    public ApiResponse<StudentTalentInvitationResponse> getStudent(@PathVariable Long invitationId,
                                                                   HttpServletRequest request) {
        return ApiResponse.ok(service.getStudent(userId(), invitationId, AuditContext.from(request)), requestId(request));
    }

    @PostMapping("/profile/me/talent-invitations/{invitationId}/decision")
    @Operation(summary = "处理人才邀约", description = "学生接受后才创建 TALENT_INVITATION 站内会话", security = @SecurityRequirement(name = "bearerAuth"))
    @ApiResponses(@io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", content = @Content(schema = @Schema(ref = "#/components/schemas/ApiResponseStudentTalentInvitationResponse"))))
    public ApiResponse<StudentTalentInvitationResponse> decide(@PathVariable Long invitationId,
                                                               @Valid @RequestBody TalentInvitationDecisionRequest body,
                                                               HttpServletRequest request) {
        return ApiResponse.ok(service.decide(userId(), invitationId, body, AuditContext.from(request)), requestId(request));
    }

    private Long userId() {
        Authentication auth = SecurityContextHolder.getContext().getAuthentication();
        if (auth == null || !auth.isAuthenticated() || auth.getName() == null) {
            throw new BusinessException(ErrorCode.UNAUTHORIZED);
        }
        try { return Long.valueOf(auth.getName()); }
        catch (NumberFormatException e) { throw new BusinessException(ErrorCode.UNAUTHORIZED); }
    }

    private String requestId(HttpServletRequest request) { return request.getHeader("X-Request-Id"); }
}