---
import BaseLayout from "../../layouts/BaseLayout.astro";
import { Header } from "../../components/layout/Header";
import { Card, CardContent, CardHeader, CardTitle, CardDescription } from "../../components/ui/card";
import { Button } from "../../components/ui/button";
import { Input } from "../../components/ui/input";
import { Label } from "../../components/ui/label";
import { Github, LogIn, Sparkles, Lock, Mail } from "lucide-react";
import { verifyToken } from "../../lib/auth";

const token = Astro.cookies.get("community_session")?.value;
const user = token ? await verifyToken(token) : null;
if (user) {
  return Astro.redirect("/dashboard");
}
---
<BaseLayout title="Sign In — OpenCodeHub Community">
  <Header client:load user={user} />
  
  <main class="container px-4 py-16 max-w-md mx-auto my-auto space-y-6">
    <div class="text-center space-y-2">
      <div class="h-12 w-12 rounded-2xl bg-gradient-to-br from-primary via-indigo-500 to-purple-600 flex items-center justify-center text-white mx-auto shadow-lg shadow-primary/25">
        <Github className="h-6 w-6" />
      </div>
      <h1 class="text-2xl font-extrabold tracking-tight text-foreground">
        Welcome Back
      </h1>
      <p class="text-xs text-muted-foreground">
        Sign in to star repos, follow developers, and manage your nodes.
      </p>
    </div>

    <Card className="border-border/60 bg-card/60 backdrop-blur-xl shadow-xl">
      <CardContent className="pt-6">
        <form id="login-form" class="space-y-4">
          <div class="space-y-2">
            <Label htmlFor="email" className="text-xs font-semibold">Email Address</Label>
            <div class="relative">
              <Mail className="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
              <Input 
                id="email" 
                type="email" 
                placeholder="you@example.com" 
                required 
                className="pl-9 bg-card/50 border-border/60 focus:border-primary h-10 text-sm" 
              />
            </div>
          </div>

          <div class="space-y-2">
            <div class="flex items-center justify-between">
              <Label htmlFor="password" className="text-xs font-semibold">Password</Label>
            </div>
            <div class="relative">
              <Lock className="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
              <Input 
                id="password" 
                type="password" 
                placeholder="••••••••" 
                required 
                className="pl-9 bg-card/50 border-border/60 focus:border-primary h-10 text-sm" 
              />
            </div>
          </div>

          <Button type="submit" className="w-full h-10 bg-primary hover:bg-primary/90 text-sm font-semibold shadow-md shadow-primary/20" id="submit-btn">
            <LogIn className="h-4 w-4 mr-2" />
            Sign In
          </Button>

          <p class="text-xs text-center text-muted-foreground pt-2">
            Don't have an account?{" "}
            <a href="/auth/register" class="text-primary font-semibold hover:underline">
              Create account
            </a>
          </p>
        </form>
      </CardContent>
    </Card>
  </main>

  <script>
    import { toast } from "sonner";
    
    const form = document.getElementById("login-form") as HTMLFormElement;
    const submitBtn = document.getElementById("submit-btn") as HTMLButtonElement;

    form?.addEventListener("submit", async (e) => {
      e.preventDefault();
      const email = (document.getElementById("email") as HTMLInputElement).value.trim();
      const password = (document.getElementById("password") as HTMLInputElement).value;
      
      submitBtn.disabled = true;
      submitBtn.innerHTML = `<span class="inline-flex items-center gap-2"><svg class="animate-spin h-4 w-4" viewBox="0 0 24 24"><circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4" fill="none"></circle><path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path></svg> Signing in...</span>`;

      try {
        const res = await fetch("/api/auth/login", {
          method: "POST",
          headers: { "Content-Type": "application/json" },
          body: JSON.stringify({ email, password }),
        });
        const data = await res.json();
        
        if (data.success) {
          toast.success("Successfully signed in!");
          setTimeout(() => window.location.href = "/dashboard", 600);
        } else {
          toast.error(data.error || "Invalid credentials");
        }
      } catch (error: any) {
        toast.error(error.message || "An error occurred during sign in");
      } finally {
        submitBtn.disabled = false;
        submitBtn.innerHTML = `<svg class="h-4 w-4 mr-2" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M15 3h4a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2h-4"/><polyline points="10 17 15 12 10 7"/><line x1="15" x2="3" y1="12" y2="12"/></svg> Sign In`;
      }
    });
  </script>
</BaseLayout>