"use client";

import { useMemo, useState } from "react";

import { Badge } from "@/components/ui/badge";
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
import { Input } from "@/components/ui/input";
import { Select } from "@/components/ui/select";
import type { FleetAgent } from "@/lib/types";

export function AgentsClient({ agents }: { agents: FleetAgent[] }) {
  const [query, setQuery] = useState("");
  const [family, setFamily] = useState("");

  const filteredAgents = useMemo(() => {
    return agents.filter((agent) => {
      const matchesQuery =
        query.length === 0 ||
        agent.name.toLowerCase().includes(query.toLowerCase()) ||
        agent.host.toLowerCase().includes(query.toLowerCase()) ||
        agent.role.toLowerCase().includes(query.toLowerCase());
      const matchesFamily = family.length === 0 || agent.family === family;
      return matchesQuery && matchesFamily;
    });
  }, [agents, family, query]);

  return (
    <div className="space-y-6">
      <Card>
        <CardHeader>
          <CardTitle>Configured Agent Runtimes</CardTitle>
          <CardDescription>
            OpenClaw swarm members and ZeroClaw host runtimes are shown from the deployed fleet model.
          </CardDescription>
        </CardHeader>
        <CardContent className="grid gap-3 md:grid-cols-[1fr_220px]">
          <Input placeholder="Search by name, host, or role" value={query} onChange={(event) => setQuery(event.target.value)} />
          <Select value={family} onChange={(event) => setFamily(event.target.value)}>
            <option value="">All families</option>
            <option value="openclaw">OpenClaw</option>
            <option value="zeroclaw">ZeroClaw</option>
          </Select>
        </CardContent>
      </Card>

      <div className="grid gap-4 lg:grid-cols-2">
        {filteredAgents.map((agent) => (
          <Card key={agent.slug}>
            <CardHeader>
              <div className="flex items-start justify-between gap-3">
                <div>
                  <CardTitle className="flex items-center gap-2">
                    <span>{agent.emoji}</span>
                    <span>{agent.name}</span>
                  </CardTitle>
                  <CardDescription>{agent.role}</CardDescription>
                </div>
                <div className="flex gap-2">
                  <Badge variant={agent.family === "openclaw" ? "default" : "success"}>{agent.family}</Badge>
                  <Badge variant="secondary">{agent.status}</Badge>
                </div>
              </div>
            </CardHeader>
            <CardContent className="space-y-4">
              <dl className="grid gap-2 text-sm text-slate-300 md:grid-cols-2">
                <div>
                  <dt className="text-xs uppercase tracking-[0.2em] text-slate-500">Host</dt>
                  <dd>{agent.host}</dd>
                </div>
                <div>
                  <dt className="text-xs uppercase tracking-[0.2em] text-slate-500">Model</dt>
                  <dd>{agent.model || "Host-local/runtime-defined"}</dd>
                </div>
                <div className="md:col-span-2">
                  <dt className="text-xs uppercase tracking-[0.2em] text-slate-500">Runtime</dt>
                  <dd className="font-mono text-xs text-cyan-100">{agent.runtimePath}</dd>
                </div>
                <div>
                  <dt className="text-xs uppercase tracking-[0.2em] text-slate-500">Workload</dt>
                  <dd>{agent.workload} active</dd>
                </div>
                <div>
                  <dt className="text-xs uppercase tracking-[0.2em] text-slate-500">Current task</dt>
                  <dd>{agent.currentTask || "No heartbeat task"}</dd>
                </div>
              </dl>

              <div>
                <p className="mb-2 text-xs uppercase tracking-[0.2em] text-slate-500">Channels</p>
                <div className="flex flex-wrap gap-2">
                  {agent.channels.map((channel) => (
                    <Badge key={`${agent.slug}-${channel.label}`} variant="outline">
                      {channel.label}: {channel.value}
                    </Badge>
                  ))}
                </div>
              </div>

              <div>
                <p className="mb-2 text-xs uppercase tracking-[0.2em] text-slate-500">Tools</p>
                <div className="flex flex-wrap gap-2">
                  {agent.tools.length ? agent.tools.map((tool) => <Badge key={tool} variant="secondary">{tool}</Badge>) : <span className="text-sm text-slate-400">No parsed tools.</span>}
                </div>
              </div>
            </CardContent>
          </Card>
        ))}
      </div>
    </div>
  );
}