"use client"

import { useState, useEffect } from "react"
import OrderStats from "./order-stats"
import QuickActions from "./quick-actions"
import RecentActivity from "./recent-activity"
import { getGreeting } from "@/lib/utils/general"
import { statsConfig } from "@/config/dashboard"
import { getRandomQuote } from "@/config/quotes"
import type { OrderStatsData } from "@/lib/types"
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card"
import { ShoppingCart, RefreshCcw, ArrowRight } from "lucide-react"
import { Button } from "@/components/ui/button"
import { useToast } from "@/components/ui/use-toast"
import { Skeleton } from "@/components/ui/skeleton"
import { clientFetch } from "@/lib/api"
import { motion } from "framer-motion"
import Link from "next/link"

interface ContentProps {
  username: string
  orderStats: OrderStatsData
}

interface TopProduct {
  id: string;
  name: string;
  price: number | number[];
  image: string;
  count: number;
  revenue: number;
}

export default function Content({ username, orderStats }: ContentProps) {
  const [greeting, setGreeting] = useState("");
  const [topProducts, setTopProducts] = useState<TopProduct[]>([]);
  const [isLoading, setIsLoading] = useState(true);
  const [error, setError] = useState<string | null>(null);
  const { toast } = useToast();

  const [randomQuote, setRandomQuote] = useState(getRandomQuote());

  const fetchTopProducts = async () => {
    try {
      setIsLoading(true);
      const data = await clientFetch('/orders/top-products');
      setTopProducts(data);
    } catch (err) {
      console.error("Error fetching top products:", err);
      setError(err instanceof Error ? err.message : "Failed to fetch top products");
    } finally {
      setIsLoading(false);
    }
  };

  useEffect(() => {
    setGreeting(getGreeting());
    fetchTopProducts();
  }, []);

  const handleRetry = () => {
    fetchTopProducts();
  };

  return (
    <div className="space-y-10 pb-10">
      <motion.div
        initial={{ opacity: 0, y: -20 }}
        animate={{ opacity: 1, y: 0 }}
        className="flex flex-col md:flex-row md:items-end md:justify-between gap-4"
      >
        <div>
          <h1 className="text-4xl font-bold tracking-tight text-foreground">
            {greeting}, <span className="text-primary">{username}</span>!
          </h1>
          <p className="text-muted-foreground mt-2 text-lg">
            "{randomQuote.text}" — <span className="font-medium">{randomQuote.author}</span>
          </p>
        </div>
        <div className="flex items-center gap-2">
        </div>
      </motion.div>

      {/* Quick ActionsSection */}
      <section className="space-y-4">
        <h2 className="text-sm font-semibold uppercase tracking-wider text-muted-foreground ml-1">Quick Actions</h2>
        <QuickActions />
      </section>

      {/* Order Statistics */}
      <section className="space-y-4">
        <h2 className="text-sm font-semibold uppercase tracking-wider text-muted-foreground ml-1">Overview</h2>
        <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4">
          {statsConfig.map((stat, index) => (
            <OrderStats
              key={stat.title}
              title={stat.title}
              value={orderStats[stat.key as keyof OrderStatsData]?.toLocaleString() || "0"}
              icon={stat.icon}
              index={index}
            />
          ))}
        </div>
      </section>

      <div className="grid grid-cols-1 xl:grid-cols-3 gap-8">
        {/* Recent Activity Section */}
        <div className="xl:col-span-1">
          <RecentActivity />
        </div>

        {/* Best Selling Products Section */}
        <div className="xl:col-span-2">
          <Card className="h-full border-border/40 bg-background/50 backdrop-blur-sm">
            <CardHeader className="flex flex-row items-center justify-between pb-2">
              <div>
                <CardTitle>Top Performing Listings</CardTitle>
                <CardDescription>Your products with the highest sales volume</CardDescription>
              </div>
              {error && (
                <Button
                  variant="outline"
                  size="sm"
                  onClick={handleRetry}
                  className="flex items-center gap-1"
                >
                  <RefreshCcw className="h-3 w-3" />
                  <span>Retry</span>
                </Button>
              )}
            </CardHeader>

            <CardContent>
              {isLoading ? (
                <div className="space-y-4">
                  {[...Array(5)].map((_, i) => (
                    <div key={i} className="flex items-center gap-4">
                      <Skeleton className="h-14 w-14 rounded-xl" />
                      <div className="space-y-2 flex-1">
                        <Skeleton className="h-4 w-1/2" />
                        <Skeleton className="h-3 w-1/4" />
                      </div>
                      <Skeleton className="h-4 w-16" />
                    </div>
                  ))}
                </div>
              ) : error ? (
                <div className="py-12 text-center">
                  <div className="text-muted-foreground mb-4">Failed to load product insights</div>
                </div>
              ) : topProducts.length === 0 ? (
                <div className="py-12 text-center">
                  <ShoppingCart className="h-12 w-12 mx-auto text-muted-foreground/50 mb-4" />
                  <h3 className="text-lg font-medium mb-1">Begin your sales journey</h3>
                  <p className="text-muted-foreground text-sm max-w-xs mx-auto">
                    Your top performing listings will materialize here as you receive orders.
                  </p>
                </div>
              ) : (
                <div className="space-y-1">
                  {topProducts.map((product, index) => (
                    <motion.div
                      key={product.id}
                      initial={{ opacity: 0, y: 10 }}
                      animate={{ opacity: 1, y: 0 }}
                      transition={{ delay: 0.1 + index * 0.05 }}
                      className="flex items-center gap-4 p-3 rounded-xl hover:bg-muted/50 transition-colors group"
                    >
                      <div
                        className="h-14 w-14 bg-muted bg-cover bg-center rounded-xl border flex-shrink-0 flex items-center justify-center overflow-hidden group-hover:scale-105 transition-transform"
                        style={{
                          backgroundImage: product.image
                            ? `url(/api/products/${product.id}/image)`
                            : 'none'
                        }}
                      >
                        {!product.image && (
                          <ShoppingCart className="h-6 w-6 text-muted-foreground/50" />
                        )}
                      </div>
                      <div className="flex-grow min-w-0">
                        <h4 className="font-semibold text-lg truncate group-hover:text-primary transition-colors">{product.name}</h4>
                        <div className="flex items-center gap-3 mt-0.5">
                          <span className="text-sm text-muted-foreground font-medium">£{(Number(Array.isArray(product.price) ? product.price[0] : product.price) || 0).toFixed(2)}</span>
                        </div>
                      </div>
                      <div className="text-right">
                        <div className="text-xl font-bold">{product.count}</div>
                        <div className="text-xs text-muted-foreground font-medium uppercase tracking-tighter mb-1">Units Sold</div>
                        <div className="text-sm font-semibold text-primary">£{product.revenue.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 })}</div>
                      </div>
                    </motion.div>
                  ))}
                </div>
              )}
            </CardContent>
          </Card>
        </div>
      </div>
    </div>
  );
}