"use client";

import { useState } from "react";
import { useRouter, useSearchParams } from "next/navigation";
import { motion, AnimatePresence } from "framer-motion";
import { toast } from "sonner";

export default function RequestPage() {
  const router = useRouter();
  const searchParams = useSearchParams();
  const prefillType = searchParams.get("type") as RequestType | null;

  const [step, setStep] = useState(1);
  const [loading, setLoading] = useState(false);
  const [form, setForm] = useState({
    type: prefillType || "",
    name: "",
    email: "",
    domain: "",
    company: "",
    message: "",
    hosting: "",
    concern: "",
  });

  type RequestType =
    | "audit"
    | "consultation"
    | "support"
    | "tool"
    | "partnership";

  const requestTypes: { id: RequestType; label: string; desc: string; icon: string }[] = [
    {
      id: "audit",
      label: "Free Audit",
      desc: "Request a free website, DNS or performance check.",
      icon: "🧠",
    },
    {
      id: "consultation",
      label: "Consultation / Quote",
      desc: "Discuss a project, hosting setup, or optimization.",
      icon: "⚙️",
    },
    {
      id: "support",
      label: "Technical Support",
      desc: "Report an issue or request hands-on help.",
      icon: "🛠️",
    },
    {
      id: "tool",
      label: "Tool Follow-Up",
      desc: "Continue from one of our free tools or reports.",
      icon: "📊",
    },
    {
      id: "partnership",
      label: "Partnership / Collaboration",
      desc: "Discuss a potential collaboration or integration.",
      icon: "🤝",
    },
  ];

  const handleChange = (e: React.ChangeEvent<HTMLInputElement | HTMLTextAreaElement | HTMLSelectElement>) => {
    const { name, value } = e.target;
    setForm((f) => ({ ...f, [name]: value }));
  };

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    setLoading(true);

    try {
      const res = await fetch("/api/request", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify(form),
      });

      if (!res.ok) throw new Error("Submission failed");

      toast.success("Request submitted successfully!");
      router.push("/request/success");
    } catch (err) {
      console.error(err);
      toast.error("Something went wrong. Please try again.");
    } finally {
      setLoading(false);
    }
  };

  return (
    <main className="relative isolate min-h-screen bg-gradient-to-b from-neutral-50 via-white to-neutral-100 dark:from-neutral-950 dark:via-neutral-900 dark:to-neutral-950">
      <section className="border-b border-neutral-200 dark:border-neutral-800">
        <div className="container mx-auto max-w-4xl px-6 py-16 text-center">
          <h1 className="text-4xl sm:text-5xl font-bold tracking-tight bg-gradient-to-r from-blue-600 via-purple-600 to-blue-600 bg-clip-text text-transparent">
            Start a Request
          </h1>
          <p className="mt-4 text-neutral-700 dark:text-neutral-300 text-lg">
            Choose what you’d like to do — audits, consultations, or support.  
            We’ll guide you through the right steps and get back within one business day.
          </p>
        </div>
      </section>

      <section className="container mx-auto max-w-3xl px-6 py-12">
        {/* Step 1 – Select Request Type */}
        <AnimatePresence mode="wait">
          {step === 1 && (
            <motion.div
              key="step1"
              initial={{ opacity: 0, y: 20 }}
              animate={{ opacity: 1, y: 0 }}
              exit={{ opacity: 0, y: -20 }}
              transition={{ duration: 0.3 }}
            >
              <h2 className="text-2xl font-semibold text-neutral-900 dark:text-white mb-6 text-center">
                What kind of request do you have?
              </h2>
              <div className="grid gap-6 sm:grid-cols-2">
                {requestTypes.map((t) => (
                  <button
                    key={t.id}
                    onClick={() => {
                      setForm((f) => ({ ...f, type: t.id }));
                      setStep(2);
                    }}
                    className={`rounded-xl border border-neutral-200 dark:border-neutral-800 p-6 text-left hover:shadow-md transition-all duration-200 ${
                      form.type === t.id
                        ? "bg-gradient-to-r from-blue-600 via-purple-600 to-blue-600 text-white"
                        : "bg-white dark:bg-neutral-900 text-neutral-900 dark:text-white"
                    }`}
                  >
                    <div className="text-3xl mb-2">{t.icon}</div>
                    <h3 className="font-semibold text-lg mb-1">{t.label}</h3>
                    <p className="text-sm opacity-80">{t.desc}</p>
                  </button>
                ))}
              </div>
            </motion.div>
          )}

          {/* Step 2 – Request Form */}
          {step === 2 && (
            <motion.form
              key="step2"
              onSubmit={handleSubmit}
              initial={{ opacity: 0, y: 20 }}
              animate={{ opacity: 1, y: 0 }}
              exit={{ opacity: 0, y: -20 }}
              transition={{ duration: 0.3 }}
              className="mt-4 bg-white dark:bg-neutral-900 border border-neutral-200 dark:border-neutral-800 rounded-2xl shadow-sm p-8"
            >
              <h2 className="text-xl font-semibold mb-6 text-neutral-900 dark:text-white text-center">
                {requestTypes.find((t) => t.id === form.type)?.label}
              </h2>

              <div className="space-y-4">
                <div>
                  <label className="block text-sm font-medium mb-1 text-neutral-800 dark:text-neutral-200">
                    Name
                  </label>
                  <input
                    type="text"
                    name="name"
                    value={form.name}
                    onChange={handleChange}
                    className="w-full rounded-lg border border-neutral-300 dark:border-neutral-700 bg-white/80 dark:bg-neutral-900/80 px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500"
                    required
                  />
                </div>

                <div>
                  <label className="block text-sm font-medium mb-1 text-neutral-800 dark:text-neutral-200">
                    Email
                  </label>
                  <input
                    type="email"
                    name="email"
                    value={form.email}
                    onChange={handleChange}
                    required
                    className="w-full rounded-lg border border-neutral-300 dark:border-neutral-700 bg-white/80 dark:bg-neutral-900/80 px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500"
                  />
                </div>

                {/* Show domain and technical fields only for audits / consultations */}
                {(form.type === "audit" || form.type === "consultation") && (
                  <>
                    <div>
                      <label className="block text-sm font-medium mb-1 text-neutral-800 dark:text-neutral-200">
                        Website or Domain
                      </label>
                      <input
                        type="text"
                        name="domain"
                        placeholder="example.com"
                        value={form.domain}
                        onChange={handleChange}
                        className="w-full rounded-lg border border-neutral-300 dark:border-neutral-700 bg-white/80 dark:bg-neutral-900/80 px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500"
                      />
                    </div>

                    <div>
                      <label className="block text-sm font-medium mb-1 text-neutral-800 dark:text-neutral-200">
                        Main Concern
                      </label>
                      <select
                        name="concern"
                        value={form.concern}
                        onChange={handleChange}
                        className="w-full rounded-lg border border-neutral-300 dark:border-neutral-700 bg-white/80 dark:bg-neutral-900/80 px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500"
                      >
                        <option value="">Select one</option>
                        <option value="speed">Speed / Performance</option>
                        <option value="security">Security</option>
                        <option value="dns">DNS / Email Issues</option>
                        <option value="hosting">Hosting Migration</option>
                        <option value="other">Other</option>
                      </select>
                    </div>
                  </>
                )}

                <div>
                  <label className="block text-sm font-medium mb-1 text-neutral-800 dark:text-neutral-200">
                    Message / Details
                  </label>
                  <textarea
                    name="message"
                    rows={4}
                    value={form.message}
                    onChange={handleChange}
                    placeholder="Describe your request..."
                    className="w-full rounded-lg border border-neutral-300 dark:border-neutral-700 bg-white/80 dark:bg-neutral-900/80 px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500"
                  />
                </div>
              </div>

              <div className="mt-8 flex justify-between items-center">
                <button
                  type="button"
                  onClick={() => setStep(1)}
                  className="text-sm text-neutral-600 dark:text-neutral-400 hover:underline"
                >
                  ← Back
                </button>
                <button
                  type="submit"
                  disabled={loading}
                  className="rounded-lg bg-gradient-to-r from-blue-600 via-purple-600 to-blue-600 text-white font-medium px-6 py-2 hover:opacity-90 transition"
                >
                  {loading ? "Submitting..." : "Submit Request"}
                </button>
              </div>
            </motion.form>
          )}
        </AnimatePresence>
      </section>
    </main>
  );
}