"use client";

import Link from "next/link";
import { Bot, Crown, Users, Shield, Sparkles } from "lucide-react";
import { MicrodaoAgent } from "@/hooks/useMicrodao";

interface MicrodaoAgentsSectionProps {
  agents: MicrodaoAgent[];
  microdaoSlug?: string;
}

const ROLE_META: Record<string, { label: string; chipClass: string; icon: React.ReactNode }> = {
  orchestrator: {
    label: "Orchestrator",
    chipClass: "bg-fuchsia-500/10 text-fuchsia-300 border-fuchsia-500/30",
    icon: <Crown className="w-3.5 h-3.5" />,
  },
  district_lead: {
    label: "District Lead",
    chipClass: "bg-purple-500/10 text-purple-300 border-purple-500/30",
    icon: <Crown className="w-3.5 h-3.5" />,
  },
  core_team: {
    label: "Core Team",
    chipClass: "bg-indigo-500/10 text-indigo-300 border-indigo-500/30",
    icon: <Users className="w-3.5 h-3.5" />,
  },
  member: {
    label: "Member",
    chipClass: "bg-slate-500/10 text-slate-300 border-slate-500/30",
    icon: <Bot className="w-3.5 h-3.5" />,
  },
  guardian: {
    label: "Guardian",
    chipClass: "bg-rose-500/10 text-rose-300 border-rose-500/30",
    icon: <Shield className="w-3.5 h-3.5" />,
  },
  steward: {
    label: "Steward",
    chipClass: "bg-emerald-500/10 text-emerald-300 border-emerald-500/30",
    icon: <Sparkles className="w-3.5 h-3.5" />,
  },
};

const STATUS_COLORS: Record<string, string> = {
  active: "bg-emerald-400",
  inactive: "bg-slate-500",
  suspended: "bg-yellow-400",
  offline: "bg-slate-600",
};

export function MicrodaoAgentsSection({ agents, microdaoSlug }: MicrodaoAgentsSectionProps) {
  if (!agents || agents.length === 0) {
    return (
      <section className="bg-slate-800/30 border border-slate-700/50 rounded-xl p-6 space-y-4">
        <h2 className="text-lg font-semibold text-slate-100 flex items-center gap-2">
          <Bot className="w-5 h-5 text-violet-400" />
          Агенти MicroDAO
        </h2>
        <p className="text-sm text-slate-500">
          Для цього MicroDAO ще не призначені агенти.
        </p>
      </section>
    );
  }

  // Group agents by role
  const orchestrators = agents.filter(a => a.role === "orchestrator" || a.role === "district_lead");
  const coreTeam = agents.filter(a => a.role === "core_team" || a.is_core);
  const others = agents.filter(a => !orchestrators.includes(a) && !coreTeam.includes(a));

  return (
    <section className="bg-slate-800/30 border border-slate-700/50 rounded-xl p-6 space-y-6">
      <div className="flex items-center justify-between">
        <h2 className="text-lg font-semibold text-slate-100 flex items-center gap-2">
          <Bot className="w-5 h-5 text-violet-400" />
          Агенти MicroDAO
          <span className="text-sm font-normal text-slate-500">({agents.length})</span>
        </h2>
      </div>

      {/* Orchestrator(s) */}
      {orchestrators.length > 0 && (
        <div className="space-y-3">
          <div className="text-xs text-slate-400 uppercase tracking-wider font-medium">
            Orchestrator
          </div>
          <div className="grid gap-3">
            {orchestrators.map(agent => (
              <AgentCard key={agent.id} agent={agent} featured />
            ))}
          </div>
        </div>
      )}

      {/* Core Team */}
      {coreTeam.length > 0 && (
        <div className="space-y-3">
          <div className="text-xs text-slate-400 uppercase tracking-wider font-medium">
            Core Team
          </div>
          <div className="grid gap-3 md:grid-cols-2">
            {coreTeam.map(agent => (
              <AgentCard key={agent.id} agent={agent} />
            ))}
          </div>
        </div>
      )}

      {/* Other Members */}
      {others.length > 0 && (
        <div className="space-y-3">
          <div className="text-xs text-slate-400 uppercase tracking-wider font-medium">
            Members
          </div>
          <div className="grid gap-3 md:grid-cols-2 lg:grid-cols-3">
            {others.map(agent => (
              <AgentCard key={agent.id} agent={agent} compact />
            ))}
          </div>
        </div>
      )}
    </section>
  );
}

interface AgentCardProps {
  agent: MicrodaoAgent;
  featured?: boolean;
  compact?: boolean;
}

function AgentCard({ agent, featured = false, compact = false }: AgentCardProps) {
  const roleMeta = ROLE_META[agent.role] || ROLE_META.member;
  const statusColor = STATUS_COLORS[agent.status] || STATUS_COLORS.offline;

  if (compact) {
    return (
      <Link href={`/agents/${agent.id}`}>
        <div className="flex items-center gap-3 p-3 bg-slate-900/50 border border-slate-700/30 rounded-lg hover:border-slate-600/50 transition-colors">
          <div className="relative">
            <div className="w-8 h-8 rounded-full bg-violet-500/20 flex items-center justify-center">
              {agent.avatar_url ? (
                <img src={agent.avatar_url} alt={agent.name} className="w-8 h-8 rounded-full" />
              ) : (
                <Bot className="w-4 h-4 text-violet-400" />
              )}
            </div>
            <span className={`absolute -bottom-0.5 -right-0.5 w-2.5 h-2.5 rounded-full border-2 border-slate-900 ${statusColor}`} />
          </div>
          <div className="flex-1 min-w-0">
            <div className="text-sm font-medium text-slate-200 truncate">{agent.name}</div>
          </div>
        </div>
      </Link>
    );
  }

  return (
    <Link href={`/agents/${agent.id}`}>
      <div className={`p-4 rounded-xl border transition-colors ${
        featured 
          ? "bg-gradient-to-br from-fuchsia-950/30 to-violet-950/30 border-fuchsia-500/30 hover:border-fuchsia-400/50" 
          : "bg-slate-900/50 border-slate-700/30 hover:border-slate-600/50"
      }`}>
        <div className="flex items-start gap-4">
          {/* Avatar */}
          <div className="relative">
            <div className={`rounded-full bg-violet-500/20 flex items-center justify-center ${
              featured ? "w-14 h-14" : "w-10 h-10"
            }`}>
              {agent.avatar_url ? (
                <img src={agent.avatar_url} alt={agent.name} className={`rounded-full ${featured ? "w-14 h-14" : "w-10 h-10"}`} />
              ) : (
                <Bot className={`text-violet-400 ${featured ? "w-7 h-7" : "w-5 h-5"}`} />
              )}
            </div>
            <span className={`absolute -bottom-0.5 -right-0.5 w-3 h-3 rounded-full border-2 border-slate-900 ${statusColor}`} />
          </div>

          {/* Info */}
          <div className="flex-1 min-w-0 space-y-1">
            <div className="flex items-center gap-2">
              <span className={`font-medium ${featured ? "text-lg text-white" : "text-base text-slate-200"}`}>
                {agent.name}
              </span>
              {agent.is_core && (
                <span className="text-[10px] uppercase tracking-wider px-1.5 py-0.5 rounded bg-amber-500/10 text-amber-300 border border-amber-500/20">
                  Core
                </span>
              )}
            </div>

            {/* Role badge */}
            <div className={`inline-flex items-center gap-1.5 px-2 py-0.5 rounded-full border text-[11px] ${roleMeta.chipClass}`}>
              {roleMeta.icon}
              <span>{roleMeta.label}</span>
            </div>

            {/* Kind and Gov Level */}
            {(agent.kind || agent.gov_level) && (
              <div className="flex items-center gap-2 text-xs text-slate-500">
                {agent.kind && <span>{agent.kind}</span>}
                {agent.kind && agent.gov_level && <span>•</span>}
                {agent.gov_level && <span>{agent.gov_level}</span>}
              </div>
            )}
          </div>
        </div>
      </div>
    </Link>
  );
}