"use client";

import { Card, CardContent } from "@/components/ui/card";
import { cn } from "@/lib/utils";
import {
  TrendingUp,
  TrendingDown,
  Minus,
  AlertCircle,
  CheckCircle,
  XCircle,
  HelpCircle,
} from "lucide-react";
import { HealthLevel, HEALTH_LEVEL_CONFIG } from "@/types/dashboard-health";
import { getTrendStyle, getCompetitorStatus } from "@/lib/dashboard-health";

interface OverviewCardProps {
  className?: string;
  children: React.ReactNode;
}

function OverviewCard({ className, children }: OverviewCardProps) {
  return (
    <Card className={cn("flex-1 min-w-[200px]", className)}>
      <CardContent className="p-6">{children}</CardContent>
    </Card>
  );
}

// 综合评分卡片
interface HealthScoreCardProps {
  score: number;
  healthLevel?: HealthLevel;
}

export function HealthScoreCard({ score, healthLevel }: HealthScoreCardProps) {
  const level =
    healthLevel ??
    (score >= 80
      ? "excellent"
      : score >= 60
        ? "good"
        : score >= 40
          ? "pass"
          : "danger");
  const config = HEALTH_LEVEL_CONFIG[level];

  const LevelIcon = {
    excellent: CheckCircle,
    good: HelpCircle,
    pass: AlertCircle,
    danger: XCircle,
  }[level];

  return (
    <OverviewCard>
      <div className="space-y-2">
        {/* 标签 */}
        <div className="flex items-center justify-between">
          <span className="text-sm text-muted-foreground">综合评分</span>
          <span className="text-muted-foreground">/100</span>
        </div>

        {/* 大数字 */}
        <div className="flex items-end gap-2">
          <span className="text-5xl font-bold">{score.toFixed(0)}</span>
        </div>

        {/* 健康等级标签 */}
        <div
          className={cn(
            "inline-flex items-center gap-1.5 rounded-full px-3 py-1 text-sm font-medium",
            config.color.bg,
            config.color.text,
          )}
        >
          <LevelIcon className="h-4 w-4" />
          <span>{config.label}</span>
        </div>
      </div>
    </OverviewCard>
  );
}

// 竞品地位卡片
interface CompetitorStatusCardProps {
  ahead: number;
  behind: number;
}

export function CompetitorStatusCard({
  ahead,
  behind,
}: CompetitorStatusCardProps) {
  const status = getCompetitorStatus(ahead, behind);

  const statusIcon =
    status.status === "leading" ? (
      <TrendingUp className="h-4 w-4 text-emerald-600" />
    ) : status.status === "trailing" ? (
      <TrendingDown className="h-4 w-4 text-red-600" />
    ) : (
      <Minus className="h-4 w-4 text-yellow-600" />
    );

  return (
    <OverviewCard>
      <div className="space-y-2">
        <div className="flex items-center justify-between">
          <span className="text-sm text-muted-foreground">竞品地位</span>
          {statusIcon}
        </div>

        <div className={cn("text-3xl font-bold", status.color)}>
          {ahead > 0
            ? `领先${ahead}竞品`
            : behind > 0
              ? `落后${behind}竞品`
              : status.label}
        </div>

        {ahead > 0 && behind > 0 && (
          <div className="flex gap-3 text-sm">
            <span className="text-emerald-600">领先{ahead}个</span>
            <span className="text-red-600">落后{behind}个</span>
          </div>
        )}
      </div>
    </OverviewCard>
  );
}

// 趋势卡片
interface TrendCardProps {
  change: number;
  label?: string;
}

export function TrendCard({ change, label = "较上周" }: TrendCardProps) {
  const trend = getTrendStyle(change);

  const TrendIcon =
    trend.icon === "up"
      ? TrendingUp
      : trend.icon === "down"
        ? TrendingDown
        : Minus;

  return (
    <OverviewCard>
      <div className="space-y-2">
        <div className="flex items-center justify-between">
          <span className="text-sm text-muted-foreground">趋势</span>
          <TrendIcon className={cn("h-4 w-4", trend.color)} />
        </div>

        <div className="flex items-center gap-2">
          <span className={cn("text-3xl font-bold", trend.color)}>
            {trend.text}
          </span>
        </div>

        <span className="text-sm text-muted-foreground">{label}</span>
      </div>
    </OverviewCard>
  );
}

// 监控平台卡片
interface MonitorPlatformCardProps {
  monitored: number;
  total: number;
}

export function MonitorPlatformCard({
  monitored,
  total,
}: MonitorPlatformCardProps) {
  const progress = total > 0 ? (monitored / total) * 100 : 0;
  const isFull = monitored === total;

  return (
    <OverviewCard>
      <div className="space-y-2">
        <div className="flex items-center justify-between">
          <span className="text-sm text-muted-foreground">监控平台</span>
          <span
            className={cn(
              "text-sm font-medium",
              isFull ? "text-emerald-600" : "text-blue-600",
            )}
          >
            {isFull ? "全部监控" : "部分监控"}
          </span>
        </div>

        <div className="flex items-end gap-2">
          <span className="text-3xl font-bold">{monitored}</span>
          <span className="text-lg text-muted-foreground">/{total}</span>
        </div>

        {/* 进度条 */}
        <div className="h-2 w-full overflow-hidden rounded-full bg-gray-100">
          <div
            className={cn(
              "h-full rounded-full transition-all",
              isFull ? "bg-emerald-500" : "bg-blue-500",
            )}
            style={{ width: `${progress}%` }}
          />
        </div>

        <span className="text-sm text-muted-foreground">平台监控中</span>
      </div>
    </OverviewCard>
  );
}

// 概览卡片组
interface OverviewCardsProps {
  score: number;
  healthLevel?: HealthLevel;
  ahead: number;
  behind: number;
  change: number;
  monitored: number;
  total: number;
}

export function OverviewCards({
  score,
  healthLevel,
  ahead,
  behind,
  change,
  monitored,
  total,
}: OverviewCardsProps) {
  return (
    <div className="grid gap-4 grid-cols-2 lg:grid-cols-4">
      <HealthScoreCard score={score} healthLevel={healthLevel} />
      <CompetitorStatusCard ahead={ahead} behind={behind} />
      <TrendCard change={change} />
      <MonitorPlatformCard monitored={monitored} total={total} />
    </div>
  );
}