package com.talentcard.server.business.admin;

import java.io.IOException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.Map;

import com.talentcard.server.business.PageResult;
import com.talentcard.server.business.admin.auth.AdminAuthInterceptor;
import com.talentcard.server.common.ApiResponse;
import com.talentcard.server.request.ServiceAppointmentStatusUpdateRequest;
import com.talentcard.server.service.ServiceAppointmentAdminService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.validation.Valid;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PatchMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestAttribute;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@Tag(name = "后台-预约申请", description = "后台查看、处理、导出体检、医院快捷通道、酒店、配偶就业、学生托管预约申请")
@RestController
@RequestMapping("/api/admin/service-appointment-applications")
public class ServiceAppointmentAdminController {
    private final ServiceAppointmentAdminService service;

    public ServiceAppointmentAdminController(ServiceAppointmentAdminService service) {
        this.service = service;
    }

    @Operation(summary = "预约申请列表", description = "分页查看各类预约申请，支持类型、状态、人才、服务机构和提交时间筛选")
    @GetMapping
    public ApiResponse<PageResult<Map<String, Object>>> page(
            @Parameter(description = "预约类型") @RequestParam(required = false) String applicationType,
            @Parameter(description = "人才/申请人/手机号/卡号/申请编号关键词") @RequestParam(required = false) String keyword,
            @Parameter(description = "预约人姓名") @RequestParam(required = false) String applicantName,
            @Parameter(description = "联系电话") @RequestParam(required = false) String applicantMobile,
            @Parameter(description = "服务机构关键词") @RequestParam(required = false) String serviceKeyword,
            @Parameter(description = "人才卡等级") @RequestParam(required = false) String cardLevel,
            @Parameter(description = "处理状态") @RequestParam(required = false) String status,
            @Parameter(description = "提交开始日期，格式yyyy-MM-dd") @RequestParam(required = false) String submittedStart,
            @Parameter(description = "提交结束日期，格式yyyy-MM-dd") @RequestParam(required = false) String submittedEnd,
            @Parameter(description = "页码") @RequestParam(defaultValue = "1") int page,
            @Parameter(description = "每页条数") @RequestParam(defaultValue = "10") int size
    ) {
        return ApiResponse.success(service.page(applicationType, keyword, applicantName, applicantMobile, serviceKeyword, cardLevel, status, submittedStart, submittedEnd, page, size));
    }

    @Operation(summary = "预约申请详情", description = "查看预约申请完整信息，包含服务快照、申请人、配偶或子女信息")
    @GetMapping("/{id}")
    public ApiResponse<Map<String, Object>> detail(@PathVariable Long id) {
        return ApiResponse.success(service.detail(id));
    }

    @Operation(summary = "查询预约申请操作日志", description = "查看提交及后台状态处理记录")
    @GetMapping("/{id}/operation-logs")
    public ApiResponse<List<Map<String, Object>>> operationLogs(@PathVariable Long id) {
        return ApiResponse.success(service.operationLogs(id));
    }
    @Operation(summary = "处理预约申请", description = "维护处理状态和处理备注；学生托管审核通过/不通过时同步更新子女信息审核状态")
    @PatchMapping("/{id}/status")
    public ApiResponse<Map<String, Object>> updateStatus(
            @PathVariable Long id,
            @Valid @RequestBody ServiceAppointmentStatusUpdateRequest request,
            @RequestAttribute(value = AdminAuthInterceptor.OPERATOR_ID_ATTRIBUTE, required = false) Long operatorId
    ) {
        return ApiResponse.success(service.updateStatus(id, request, operatorId));
    }

    @Operation(summary = "导出预约申请", description = "按当前筛选条件导出预约申请Excel")
    @GetMapping(value = "/export", produces = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
    public void export(
            @Parameter(description = "预约类型") @RequestParam(required = false) String applicationType,
            @Parameter(description = "人才/申请人/手机号/卡号/申请编号关键词") @RequestParam(required = false) String keyword,
            @Parameter(description = "预约人姓名") @RequestParam(required = false) String applicantName,
            @Parameter(description = "联系电话") @RequestParam(required = false) String applicantMobile,
            @Parameter(description = "服务机构关键词") @RequestParam(required = false) String serviceKeyword,
            @Parameter(description = "人才卡等级") @RequestParam(required = false) String cardLevel,
            @Parameter(description = "处理状态") @RequestParam(required = false) String status,
            @Parameter(description = "提交开始日期，格式yyyy-MM-dd") @RequestParam(required = false) String submittedStart,
            @Parameter(description = "提交结束日期，格式yyyy-MM-dd") @RequestParam(required = false) String submittedEnd,
            HttpServletResponse response
    ) throws IOException {
        byte[] data = service.exportExcel(applicationType, keyword, applicantName, applicantMobile, serviceKeyword, cardLevel, status, submittedStart, submittedEnd);
        String filename = URLEncoder.encode("预约申请列表.xlsx", StandardCharsets.UTF_8).replace("+", "%20");
        response.setCharacterEncoding(StandardCharsets.UTF_8.name());
        response.setContentType(MediaType.parseMediaType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet").toString());
        response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename*=UTF-8''" + filename);
        response.setContentLength(data.length);
        response.getOutputStream().write(data);
        response.flushBuffer();
    }
}