package com.designhub.controller;

import com.designhub.common.Result;
import com.designhub.service.AnalyticsService;
import com.designhub.util.JwtUtil;
import com.designhub.vo.DeductionDetailVO;
import com.designhub.vo.DemandStatisticsVO;
import com.designhub.vo.DesignerPerformanceVO;
import com.designhub.vo.DimensionAnalysisVO;
import com.designhub.vo.ProcessEfficiencyVO;
import com.designhub.vo.WarningTaskVO;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 数据分析Controller
 */
@Slf4j
@Tag(name = "数据分析", description = "数据分析相关API")
@RestController
@RequestMapping("/api/analytics")
@RequiredArgsConstructor
public class AnalyticsController {

    private final AnalyticsService analyticsService;
    private final JwtUtil jwtUtil;

    @Operation(summary = "获取需求统计数据（根据角色返回不同维度的数据）")
    @GetMapping("/demand-statistics")
    public Result<DemandStatisticsVO> getDemandStatistics(
        @RequestHeader("Authorization") String authHeader,
        @RequestParam(required = false, defaultValue = "month") String dateRange,
        @RequestParam(required = false) Long deptId,
        @RequestParam(required = false) Long userId,
        @RequestParam(required = false) String month // 新增：指定月份，格式 yyyy-MM
    ) {
        // 从token获取当前用户ID
        String token = jwtUtil.extractTokenFromHeader(authHeader);
        Long currentUserId = jwtUtil.getUserIdFromToken(token);
        
        log.info("获取需求统计数据: currentUserId={}, dateRange={}, deptId={}, userId={}, month={}", 
                 currentUserId, dateRange, deptId, userId, month);
        
        return Result.success(analyticsService.getDemandStatistics(currentUserId, dateRange, deptId, userId, month));
    }
    
    @Operation(summary = "获取设计师绩效数据")
    @GetMapping("/designer-performance")
    public Result<DesignerPerformanceVO> getDesignerPerformance(
        @RequestHeader("Authorization") String authHeader,
        @RequestParam(required = false) String month, // 指定月份，格式 yyyy-MM
        @RequestParam(required = false) Long deptId   // 指定部门
    ) {
        String token = jwtUtil.extractTokenFromHeader(authHeader);
        Long currentUserId = jwtUtil.getUserIdFromToken(token);
        
        log.info("获取设计师绩效数据: currentUserId={}, month={}, deptId={}", currentUserId, month, deptId);
        
        return Result.success(analyticsService.getDesignerPerformance(currentUserId, month, deptId));
    }
    
    @Operation(summary = "获取流程效率数据")
    @GetMapping("/process-efficiency")
    public Result<ProcessEfficiencyVO> getProcessEfficiency(
        @RequestHeader("Authorization") String authHeader,
        @RequestParam(required = false) String month // 指定月份，格式 yyyy-MM
    ) {
        String token = jwtUtil.extractTokenFromHeader(authHeader);
        Long currentUserId = jwtUtil.getUserIdFromToken(token);
        
        log.info("获取流程效率数据: currentUserId={}, month={}", currentUserId, month);
        
        return Result.success(analyticsService.getProcessEfficiency(currentUserId, month));
    }
    
    @Operation(summary = "获取预警任务列表")
    @GetMapping("/warnings")
    public Result<List<WarningTaskVO>> getWarningTasks(
        @RequestHeader("Authorization") String authHeader
    ) {
        String token = jwtUtil.extractTokenFromHeader(authHeader);
        Long currentUserId = jwtUtil.getUserIdFromToken(token);
        
        log.info("获取预警任务列表: currentUserId={}", currentUserId);
        
        return Result.success(analyticsService.getWarningTasks(currentUserId));
    }
    
    @Operation(summary = "获取设计师扣分明细")
    @GetMapping("/designer-deduction-details")
    public Result<DeductionDetailVO> getDesignerDeductionDetails(
        @RequestHeader("Authorization") String authHeader,
        @RequestParam Long userId,
        @RequestParam(required = false) String month
    ) {
        log.info("获取设计师扣分明细: userId={}, month={}", userId, month);
        
        return Result.success(analyticsService.getDesignerDeductionDetails(userId, month));
    }
    
    @Operation(summary = "获取多维度分析数据（类目/品牌/部门/平台）")
    @GetMapping("/dimension-analysis")
    public Result<DimensionAnalysisVO> getDimensionAnalysis(
        @RequestParam(required = false, defaultValue = "month") String dateRange,
        @RequestParam(required = false) String month
    ) {
        log.info("获取多维度分析数据: dateRange={}, month={}", dateRange, month);
        
        return Result.success(analyticsService.getDimensionAnalysis(dateRange, month));
    }
}