"use client";

import { Button } from "@/components/ui/button";
import {
  Users,
  TrendingUp,
  BarChart3,
  ExternalLink,
  Target,
  Award,
  Star,
} from "lucide-react";
import { TechIcon } from "@/components/icons/tech-icon";

interface TeamStatsCardProps {
  teamId: string;
  teamName: string;
  direction: string;
  totalMembers: number;
  averageSkillLevel: number;
  topSkills: Array<{
    skillName: string;
    averageLevel: number;
    color?: string;
    icon?: string;
  }>;
  skillCoverage: number;
  onViewDetails?: () => void;
  onViewReport?: () => void;
}

export function getSkillLevelLabel(level: number): string {
  if (level < 0.5) return "Débutant";
  if (level < 1.5) return "Intermé.";
  if (level < 2.5) return "Avancé";
  return "Expert";
}

export function getSkillLevelColor(level: number): string {
  if (level < 0.5) return "bg-red-500";
  if (level < 1.5) return "bg-orange-500";
  if (level < 2.5) return "bg-blue-500";
  return "bg-green-500";
}

export function getSkillLevelBadgeClasses(level: number): string {
  if (level < 0.5) return "bg-red-500/20 border-red-500/30 text-red-300";
  if (level < 1.5)
    return "bg-orange-500/20 border-orange-500/30 text-orange-300";
  if (level < 2.5) return "bg-blue-500/20 border-blue-500/30 text-blue-300";
  return "bg-green-500/20 border-green-500/30 text-green-300";
}

export function getProgressColor(percentage: number): string {
  if (percentage < 30) return "bg-red-500";
  if (percentage < 60) return "bg-orange-500";
  if (percentage < 80) return "bg-blue-500";
  return "bg-green-500";
}

export function TeamStatsCard({
  teamId,
  teamName,
  direction,
  totalMembers,
  averageSkillLevel,
  topSkills,
  skillCoverage,
  onViewDetails,
  onViewReport,
}: TeamStatsCardProps) {
  return (
    <div className="bg-white/5 backdrop-blur-sm border border-white/10 rounded-2xl p-6 hover:bg-white/10 transition-colors">
      <div className="flex items-center justify-between mb-6">
        <div className="flex items-center gap-3">
          <div className="p-2 bg-blue-500/20 border border-blue-500/30 rounded-xl">
            <Users className="h-4 w-4 text-blue-400" />
          </div>
          <h3 className="text-lg font-semibold text-white">{teamName}</h3>
        </div>
        <div className="flex items-center gap-2">
          <div className="px-2 py-1 bg-white/10 border border-white/20 rounded-lg">
            <span className="text-xs text-slate-300 font-medium">
              {direction}
            </span>
          </div>
          <div className="px-2 py-1 bg-green-500/20 border border-green-500/30 rounded-lg">
            <div className="flex items-center gap-1">
              <Users className="h-3 w-3 text-green-300" />
              <span className="text-xs text-green-300 font-medium">
                {totalMembers}
              </span>
            </div>
          </div>
        </div>
      </div>

      <div className="space-y-6">
        {/* Stats Overview */}
        <div className="grid grid-cols-2 gap-4">
          <div className="bg-white/5 border border-white/10 rounded-xl p-4">
            <div className="flex items-center gap-2 mb-3">
              <BarChart3 className="h-4 w-4 text-slate-400" />
              <span className="text-sm font-medium text-slate-300">
                Niveau moyen
              </span>
            </div>
            <div className="space-y-2">
              <div className="grid grid-cols-2 gap-2 items-center">
                <span className="text-lg font-bold text-white">
                  {((averageSkillLevel / 3) * 100).toFixed(0)}%
                </span>
                <div
                  className={`px-2 py-0.5 border rounded-lg text-center ${getSkillLevelBadgeClasses(
                    averageSkillLevel
                  )}`}
                >
                  <span className="text-xs font-medium">
                    {getSkillLevelLabel(averageSkillLevel)}
                  </span>
                </div>
              </div>
              <div className="w-full bg-white/10 rounded-full h-2">
                <div
                  className={`h-2 rounded-full transition-all ${
                    averageSkillLevel < 0.5
                      ? "bg-gradient-to-r from-red-500 to-red-400"
                      : averageSkillLevel < 1.5
                      ? "bg-gradient-to-r from-orange-500 to-orange-400"
                      : averageSkillLevel < 2.5
                      ? "bg-gradient-to-r from-blue-500 to-blue-400"
                      : "bg-gradient-to-r from-green-500 to-green-400"
                  }`}
                  style={{ width: `${(averageSkillLevel / 3) * 100}%` }}
                />
              </div>
            </div>
          </div>

          <div className="bg-white/5 border border-white/10 rounded-xl p-4">
            <div className="flex items-center gap-2 mb-3">
              <Target className="h-4 w-4 text-slate-400" />
              <span className="text-sm font-medium text-slate-300">
                Couverture
              </span>
            </div>
            <div className="space-y-2">
              <div className="flex items-center justify-between">
                <span className="text-lg font-bold text-white">
                  {skillCoverage.toFixed(0)}%
                </span>
                <span className="text-xs text-slate-400">des compétences</span>
              </div>
              <div className="w-full bg-white/10 rounded-full h-2">
                <div
                  className="bg-gradient-to-r from-green-500 to-green-400 h-2 rounded-full transition-all"
                  style={{ width: `${skillCoverage}%` }}
                />
              </div>
            </div>
          </div>
        </div>

        {/* Top Skills */}
        <div className="bg-white/5 border border-white/10 rounded-xl p-4">
          <div className="flex items-center gap-2 mb-4">
            <div className="p-1.5 bg-purple-500/20 border border-purple-500/30 rounded-lg">
              <Award className="h-3.5 w-3.5 text-purple-400" />
            </div>
            <span className="text-sm font-semibold text-slate-200">
              Top Compétences
            </span>
          </div>
          <div className="space-y-2">
            {topSkills.slice(0, 3).map((skill, idx) => (
              <div
                key={idx}
                className="group flex items-center gap-3 p-3 bg-white/5 border border-white/10 rounded-lg hover:bg-white/10 hover:border-white/20 transition-all duration-200"
              >
                {/* Icône de la technologie */}
                <div className="flex-shrink-0">
                  {skill.icon ? (
                    <div className="p-1.5 bg-white/10 border border-white/20 rounded-md">
                      <TechIcon
                        iconName={skill.icon}
                        className="w-3 h-3 text-white"
                      />
                    </div>
                  ) : (
                    <div className="p-1.5 bg-slate-500/20 border border-slate-500/30 rounded-md">
                      <Star className="w-3 h-3 text-slate-400" />
                    </div>
                  )}
                </div>

                {/* Nom et niveau */}
                <div className="flex-1 min-w-0">
                  <div className="flex items-center justify-between">
                    <span className="text-sm font-medium text-white truncate pr-2">
                      {skill.skillName}
                    </span>
                    <div className="flex items-center gap-2 flex-shrink-0">
                      <span className="text-xs font-semibold text-white">
                        {skill.averageLevel.toFixed(1)}
                      </span>
                      <div
                        className={`w-2 h-2 rounded-full ${getSkillLevelColor(
                          skill.averageLevel
                        )}`}
                      />
                    </div>
                  </div>

                  {/* Mini barre de progression */}
                  <div className="w-full bg-white/10 rounded-full h-1 mt-1">
                    <div
                      className={`h-1 rounded-full transition-all ${
                        skill.averageLevel < 0.5
                          ? "bg-gradient-to-r from-red-500 to-red-400"
                          : skill.averageLevel < 1.5
                          ? "bg-gradient-to-r from-orange-500 to-orange-400"
                          : skill.averageLevel < 2.5
                          ? "bg-gradient-to-r from-blue-500 to-blue-400"
                          : "bg-gradient-to-r from-green-500 to-green-400"
                      }`}
                      style={{ width: `${(skill.averageLevel / 3) * 100}%` }}
                    />
                  </div>
                </div>
              </div>
            ))}
          </div>
        </div>

        {/* Action Buttons */}
        <div className="space-y-3 pt-2 border-t border-white/10">
          <Button
            variant="outline"
            size="sm"
            onClick={onViewDetails}
            className="w-full justify-start bg-white/5 border-white/20 text-white hover:bg-white/10 hover:border-white/30"
          >
            <ExternalLink className="h-3 w-3 mr-2" />
            Voir les détails
          </Button>

          <Button
            variant="ghost"
            size="sm"
            onClick={onViewReport}
            className="w-full justify-start text-xs text-slate-400 hover:text-white hover:bg-white/10"
          >
            📈 Exporter rapport complet
          </Button>
        </div>
      </div>
    </div>
  );
}