import Layout from "@/components/Layout";
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
import { Input } from "@/components/ui/input";
import { Textarea } from "@/components/ui/textarea";
import { supabase } from "@/lib/supabase";
import { useAuth } from "@/contexts/AuthContext";
import { useEffect, useState } from "react";

interface Link { label: string; href: string }
interface Contributor { name: string; title?: string; avatar?: string }

export default function ProjectsAdmin() {
  const { user } = useAuth();
  const isOwner = user?.email?.toLowerCase() === "mrpiglr@gmail.com";
  const [list, setList] = useState<any[]>([]);
  const [loading, setLoading] = useState(false);
  const [draft, setDraft] = useState<any>({ title: "", org_unit: "Studio", timeframe: "", description: "", tags: "" });

  useEffect(() => {
    if (!isOwner) return;
    setLoading(true);
    supabase
      .from<any>("showcase_projects" as any)
      .select("id,title,org_unit,role,timeframe,description,tags")
      .order("created_at", { ascending: false })
      .then(({ data }) => setList(data || []))
      .finally(() => setLoading(false));
  }, [isOwner]);

  const create = async () => {
    const tags = (draft.tags || "").split(",").map((s: string) => s.trim()).filter(Boolean);
    const { error } = await supabase.from<any>("showcase_projects" as any).insert({
      title: draft.title,
      org_unit: draft.org_unit,
      role: "AeThex",
      timeframe: draft.timeframe || null,
      description: draft.description || null,
      tags,
    });
    if (!error) {
      setDraft({ title: "", org_unit: "Studio", timeframe: "", description: "", tags: "" });
      const { data } = await supabase.from<any>("showcase_projects" as any).select("id,title,org_unit,role,timeframe,description,tags").order("created_at", { ascending: false });
      setList(data || []);
    }
  };

  if (!isOwner) {
    return (
      <Layout>
        <div className="min-h-screen bg-aethex-gradient py-12">
          <section className="container mx-auto max-w-3xl px-4">
            <Card className="bg-card/60 border-border/40 backdrop-blur">
              <CardHeader>
                <CardTitle>Access denied</CardTitle>
                <CardDescription>Owner account required.</CardDescription>
              </CardHeader>
            </Card>
          </section>
        </div>
      </Layout>
    );
  }

  return (
    <Layout>
      <div className="min-h-screen bg-aethex-gradient py-12">
        <section className="container mx-auto max-w-6xl px-4">
          <div className="flex items-center justify-between">
            <div>
              <Badge variant="outline" className="border-aethex-400/50 text-aethex-300">Admin</Badge>
              <h1 className="mt-2 text-3xl font-extrabold text-gradient">Projects Admin</h1>
              <p className="text-muted-foreground">Create and manage showcase entries (Supabase)</p>
            </div>
            <Button asChild variant="outline" size="sm"><a href="/projects">View page</a></Button>
          </div>
        </section>

        <section className="container mx-auto max-w-6xl px-4 mt-6 grid gap-6 md:grid-cols-2">
          <Card className="bg-card/60 border-border/40 backdrop-blur">
            <CardHeader>
              <CardTitle>New project</CardTitle>
              <CardDescription>Title and basics</CardDescription>
            </CardHeader>
            <CardContent className="space-y-3">
              <Input placeholder="Title" value={draft.title} onChange={(e) => setDraft({ ...draft, title: e.target.value })} />
              <div className="grid grid-cols-2 gap-3">
                <select className="rounded border border-border/40 bg-background/70 px-3 py-2" value={draft.org_unit} onChange={(e) => setDraft({ ...draft, org_unit: e.target.value })}>
                  <option>Studio</option>
                  <option>Labs</option>
                  <option>Platform</option>
                  <option>Community</option>
                </select>
                <Input placeholder="Timeframe (e.g., Jan 2025 – Present)" value={draft.timeframe} onChange={(e) => setDraft({ ...draft, timeframe: e.target.value })} />
              </div>
              <Textarea placeholder="Description" value={draft.description} onChange={(e) => setDraft({ ...draft, description: e.target.value })} />
              <Input placeholder="Tags (comma separated)" value={draft.tags} onChange={(e) => setDraft({ ...draft, tags: e.target.value })} />
              <div className="flex justify-end">
                <Button onClick={create} disabled={!draft.title}>Create</Button>
              </div>
            </CardContent>
          </Card>

          <Card className="bg-card/60 border-border/40 backdrop-blur">
            <CardHeader>
              <CardTitle>Existing</CardTitle>
              <CardDescription>{loading ? "Loading..." : `${list.length} items`}</CardDescription>
            </CardHeader>
            <CardContent className="space-y-2">
              {list.map((p) => (
                <div key={p.id} className="flex items-center justify-between rounded border border-border/40 p-2 text-sm">
                  <div className="min-w-0">
                    <div className="font-medium truncate">{p.title}</div>
                    <div className="text-xs text-muted-foreground">{p.org_unit} • {p.timeframe || ""}</div>
                  </div>
                  <div className="flex items-center gap-2">
                    <Button asChild size="sm" variant="outline"><a href={`/projects/${p.id}`}>View</a></Button>
                    <Button size="sm" variant="destructive" onClick={async () => { await supabase.from<any>("showcase_projects" as any).delete().eq("id", p.id); setList(list.filter((x) => x.id !== p.id)); }}>Delete</Button>
                  </div>
                </div>
              ))}
            </CardContent>
          </Card>
        </section>
      </div>
    </Layout>
  );
}