package com.talentcard.server.business.admin;

import java.time.LocalDate;
import java.util.List;
import java.util.Map;

import com.talentcard.server.business.PageResult;
import com.talentcard.server.common.ApiResponse;
import com.talentcard.server.request.TicketPackageCodeImportRequest;
import com.talentcard.server.request.TicketPackageCodeGenerateRequest;
import com.talentcard.server.request.TicketPackageCodeLockRequest;
import com.talentcard.server.request.TicketPackageCodeStatusRequest;
import com.talentcard.server.request.TicketPackageSupplementRequest;
import com.talentcard.server.request.TicketPackageSaveRequest;
import com.talentcard.server.request.TicketPackageStatusRequest;
import com.talentcard.server.service.TicketPackageAdminService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.validation.Valid;
import org.springframework.http.MediaType;
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.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
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;
import org.springframework.web.multipart.MultipartFile;

@Tag(name = "后台-票包码池", description = "后台维护票包、兑换码码池、库存、发放记录和兑换码状态")
@RestController
@RequestMapping("/api/admin/ticket-packages")
public class TicketPackageAdminController {
    private final TicketPackageAdminService service;

    public TicketPackageAdminController(TicketPackageAdminService service) {
        this.service = service;
    }

    @Operation(summary = "查询票包列表", description = "分页查询票包配置和兑换码库存汇总")
    @GetMapping
    public ApiResponse<PageResult<Map<String, Object>>> packages(
            @Parameter(description = "指定兑换商家ID") @RequestParam(required = false) Long merchantId,
            @Parameter(description = "状态：1启用，0停用") @RequestParam(required = false) Integer status,
            @Parameter(description = "票包名称或编号关键词") @RequestParam(required = false) String keyword,
            @Parameter(description = "适用商家名称关键词") @RequestParam(required = false) String merchantKeyword,
            @Parameter(description = "页码") @RequestParam(defaultValue = "1") int page,
            @Parameter(description = "每页条数") @RequestParam(defaultValue = "10") int size
    ) {
        return ApiResponse.success(service.packages(merchantId, status, keyword, merchantKeyword, page, size));
    }

    @Operation(summary = "查询票包详情", description = "查看票包基础配置和码池库存汇总")
    @GetMapping("/{packageId}")
    public ApiResponse<Map<String, Object>> packageDetail(@PathVariable Long packageId) {
        return ApiResponse.success(service.packageDetail(packageId));
    }

    @Operation(summary = "票包适用商家选项", description = "票包表单的「适用商家」下拉，只返回启用的观影服务商家")
    @GetMapping("/merchant-options")
    public ApiResponse<List<Map<String, Object>>> merchantOptions(
            @Parameter(description = "商家名称关键词") @RequestParam(required = false) String keyword
    ) {
        return ApiResponse.success(service.merchantOptions(keyword));
    }

    @Operation(summary = "查询票包库存", description = "查看指定票包兑换码总量、可发放、锁定、已发放、已使用和作废数量")
    @GetMapping("/{packageId}/stock")
    public ApiResponse<Map<String, Object>> stock(@Parameter(description = "票包ID") @PathVariable Long packageId) {
        return ApiResponse.success(service.stock(packageId));
    }

    @Operation(summary = "新增票包", description = "后台录入票包，不涉及具体电影票场次")
    @PostMapping
    public ApiResponse<Map<String, Object>> createPackage(@Valid @RequestBody TicketPackageSaveRequest request) {
        return ApiResponse.success(service.createPackage(request));
    }

    @Operation(summary = "修改票包", description = "修改票包名称、适用卡等级、有效期、商家APP信息等")
    @PutMapping("/{packageId}")
    public ApiResponse<Map<String, Object>> updatePackage(
            @PathVariable Long packageId,
            @Valid @RequestBody TicketPackageSaveRequest request
    ) {
        return ApiResponse.success(service.updatePackage(packageId, request));
    }

    @Operation(summary = "修改票包状态", description = "启用或停用票包")
    @PatchMapping("/{packageId}/status")
    public ApiResponse<Map<String, Object>> updatePackageStatus(
            @PathVariable Long packageId,
            @Valid @RequestBody TicketPackageStatusRequest request
    ) {
        return ApiResponse.success(service.updatePackageStatus(packageId, request.status()));
    }

    @Operation(summary = "导入票包兑换码", description = "批量导入兑换码到指定票包码池，重复兑换码自动跳过")
    @PostMapping("/{packageId}/codes/import")
    public ApiResponse<Map<String, Object>> importCodes(
            @PathVariable Long packageId,
            @Valid @RequestBody TicketPackageCodeImportRequest request
    ) {
        return ApiResponse.success(service.importCodes(packageId, request));
    }

    @Operation(summary = "批量生成票包兑换码", description = "按数量自动生成兑换码并写入指定票包码池，重复兑换码自动跳过")
    @PostMapping("/{packageId}/codes/generate")
    public ApiResponse<Map<String, Object>> generateCodes(
            @PathVariable Long packageId,
            @Valid @RequestBody TicketPackageCodeGenerateRequest request
    ) {
        return ApiResponse.success(service.generateCodes(packageId, request));
    }

    @Operation(summary = "导入票包兑换码Excel", description = "上传Excel文件导入兑换码，读取第一个Sheet第一列，首行可为兑换码标题，重复兑换码自动跳过")
    @PostMapping(value = "/{packageId}/codes/import-file", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
    public ApiResponse<Map<String, Object>> importCodeFile(
            @Parameter(description = "票包ID") @PathVariable Long packageId,
            @Parameter(description = "兑换码Excel文件") @RequestParam("file") MultipartFile file,
            @Parameter(description = "导入批次号；不传后端自动生成") @RequestParam(required = false) String batchNo,
            @Parameter(description = "备注") @RequestParam(required = false) String remark
    ) {
        return ApiResponse.success(service.importCodeFile(packageId, file, batchNo, remark));
    }

    @Operation(summary = "查询票包兑换码列表", description = "分页查询码池兑换码，支持状态、批次号和关键词筛选")
    @GetMapping("/codes")
    public ApiResponse<PageResult<Map<String, Object>>> codes(
            @Parameter(description = "票包ID") @RequestParam(required = false) Long packageId,
            @Parameter(description = "兑换码状态") @RequestParam(required = false) String status,
            @Parameter(description = "导入批次号") @RequestParam(required = false) String batchNo,
            @Parameter(description = "兑换码或票包名称关键词") @RequestParam(required = false) String keyword,
            @Parameter(description = "票包名称或编号关键词") @RequestParam(required = false) String packageKeyword,
            @Parameter(description = "适用商家名称关键词") @RequestParam(required = false) String merchantKeyword,
            @Parameter(description = "页码") @RequestParam(defaultValue = "1") int page,
            @Parameter(description = "每页条数") @RequestParam(defaultValue = "10") int size
    ) {
        return ApiResponse.success(service.codes(packageId, status, batchNo, keyword, packageKeyword, merchantKeyword, page, size));
    }

    @Operation(summary = "修改兑换码状态", description = "后台作废兑换码，或将已发放兑换码标记为已使用")
    @PatchMapping("/codes/{codeId}/status")
    public ApiResponse<Map<String, Object>> updateCodeStatus(
            @PathVariable Long codeId,
            @Valid @RequestBody TicketPackageCodeStatusRequest request
    ) {
        return ApiResponse.success(service.updateCodeStatus(codeId, request));
    }

    @Operation(summary = "查询票包发放记录", description = "分页查询用户领取兑换码记录")
    @GetMapping("/claims")
    public ApiResponse<PageResult<Map<String, Object>>> claims(
            @Parameter(description = "票包ID") @RequestParam(required = false) Long packageId,
            @Parameter(description = "持卡人ID") @RequestParam(required = false) Long talentId,
            @Parameter(description = "发放状态") @RequestParam(required = false) String status,
            @Parameter(description = "领取编号或兑换码关键词") @RequestParam(required = false) String keyword,
            @Parameter(description = "票包名称或编号关键词") @RequestParam(required = false) String packageKeyword,
            @Parameter(description = "持卡人姓名、手机号或卡号关键词") @RequestParam(required = false) String talentKeyword,
            @Parameter(description = "卡片等级") @RequestParam(required = false) String cardLevel,
            @Parameter(description = "领取开始日期") @RequestParam(required = false) LocalDate claimedStart,
            @Parameter(description = "领取结束日期") @RequestParam(required = false) LocalDate claimedEnd,
            @Parameter(description = "页码") @RequestParam(defaultValue = "1") int page,
            @Parameter(description = "每页条数") @RequestParam(defaultValue = "10") int size
    ) {
        return ApiResponse.success(service.claims(packageId, talentId, status, keyword, packageKeyword, talentKeyword, cardLevel, claimedStart, claimedEnd, page, size));
    }

    @Operation(summary = "领取校验", description = "按兑换码码值校验兑换码是否可领取：是否存在、所属票包是否启用、是否在有效期内、是否适用于指定商户，以及当前状态（可用/锁定/已发放/已使用/已作废）")
    @GetMapping("/codes/validate")
    public ApiResponse<Map<String, Object>> validateCode(
            @Parameter(description = "兑换码码值", required = true) @RequestParam("code") String code,
            @Parameter(description = "票包ID；限定校验范围") @RequestParam(required = false) Long packageId,
            @Parameter(description = "适用商户ID；不匹配时返回不可领取") @RequestParam(required = false) Long merchantId
    ) {
        return ApiResponse.success(service.validateCode(code, packageId, merchantId));
    }

    @Operation(summary = "兑换码详情", description = "查看兑换码的码值、适用商户、有效期、库存状态、锁定信息和发放/领取状态（领取人、使用状态、使用时间）")
    @GetMapping("/codes/{codeId}")
    public ApiResponse<Map<String, Object>> codeDetail(
            @Parameter(description = "兑换码ID") @PathVariable Long codeId
    ) {
        return ApiResponse.success(service.codeDetail(codeId));
    }

    @Operation(summary = "发放锁定", description = "后台手动锁定一个可用兑换码并绑定领取人，用于线下发放前的占位预留；锁定后可补录发放、解锁或作废")
    @PostMapping("/codes/{codeId}/lock")
    public ApiResponse<Map<String, Object>> lockForIssue(
            @Parameter(description = "兑换码ID") @PathVariable Long codeId,
            @Valid @RequestBody TicketPackageCodeLockRequest request
    ) {
        return ApiResponse.success(service.lockForIssue(codeId, request));
    }

    @Operation(summary = "解锁兑换码", description = "将锁定状态的兑换码解锁回可用状态，并清除锁定领取人信息")
    @PatchMapping("/codes/{codeId}/release")
    public ApiResponse<Map<String, Object>> releaseLock(
            @Parameter(description = "兑换码ID") @PathVariable Long codeId
    ) {
        return ApiResponse.success(service.releaseLock(codeId));
    }

    @Operation(summary = "作废兑换码", description = "作废可用、锁定或已发放状态的兑换码；已发放的会同步作废其发放记录，已使用或已作废的兑换码不可作废")
    @PatchMapping("/codes/{codeId}/void")
    public ApiResponse<Map<String, Object>> voidCode(
            @Parameter(description = "兑换码ID") @PathVariable Long codeId,
            @Parameter(description = "作废备注") @RequestParam(required = false) String remark
    ) {
        return ApiResponse.success(service.voidCode(codeId, remark));
    }

    @Operation(summary = "补录发放记录", description = "线下已发放但系统未记录的兑换码，后台按兑换码ID或码值补录一条发放记录并将兑换码标记为已发放；重复补录同一兑换码会返回已有记录")
    @PostMapping("/claims/supplement")
    public ApiResponse<Map<String, Object>> supplementClaim(
            @Valid @RequestBody TicketPackageSupplementRequest request
    ) {
        return ApiResponse.success(service.supplementClaim(request));
    }
}