import { useState } from "react";
import { Link, useNavigate } from "react-router-dom";

import { CustomInput, CustomCheckBox, CustomButton } from "../../../components/custom";
import type { SigninRequest } from "../AuthTypes";
import { useAuth } from "../../../context/AuthContext";

export default function SignInForm() {
  const navigate = useNavigate();

  const [isChecked, setIsChecked] = useState(false);
  const [email, setEmail] = useState("");
  const [password, setPassword] = useState("");
  const [isLoading, setIsLoading] = useState(false);
  const [errorMessage, setErrorMessage] = useState("");

  const { login } = useAuth(); // Retrieve login function from context

  const handleSignIn = async (event: React.FormEvent) => {
    event.preventDefault();
    setErrorMessage("");
    setIsLoading(true);

    const payload: SigninRequest = {
      email,
      password,
    };

    try {
      // Use the context login function to ensure state is updated
      await login(payload, isChecked);

      // Redirect to the dashboard after successful signin.
      navigate("/dashboard");
    } catch (error) {
      const message =
        error instanceof Error
          ? error.message
          : "Unable to sign in. Please try again.";
      setErrorMessage(message);
    } finally {
      setIsLoading(false);
    }
  };

  return (
    <div className="flex flex-col flex-1 [&_.text-gray-700]:!text-white [&_label]:!text-gray-300">

      <div className="flex flex-col justify-center flex-1 w-full max-w-md mx-auto">
        <div>
          <div className="mb-5 sm:mb-8">
            <h1 className="mb-2 font-semibold text-white text-2xl">
              Sign In
            </h1>
            <p className="text-sm text-gray-300">
              Enter your email and password to sign in!
            </p>
          </div>
          <div>
            <div className="flex flex-col gap-4">
              <button className="inline-flex items-center justify-center gap-3 py-3 text-sm font-normal text-black transition-colors bg-white rounded-lg px-7 hover:bg-gray-50 hover:text-gray-900 w-full">
                <svg
                  width="20"
                  height="20"
                  viewBox="0 0 20 20"
                  fill="none"
                  xmlns="http://www.w3.org/2000/svg"
                >
                  <path
                    d="M18.7511 10.1944C18.7511 9.47495 18.6915 8.94995 18.5626 8.40552H10.1797V11.6527H15.1003C15.0011 12.4597 14.4654 13.675 13.2749 14.4916L13.2582 14.6003L15.9087 16.6126L16.0924 16.6305C17.7788 15.1041 18.7511 12.8583 18.7511 10.1944Z"
                    fill="#4285F4"
                  />
                  <path
                    d="M10.1788 18.75C12.5895 18.75 14.6133 17.9722 16.0915 16.6305L13.274 14.4916C12.5201 15.0068 11.5081 15.3666 10.1788 15.3666C7.81773 15.3666 5.81379 13.8402 5.09944 11.7305L4.99473 11.7392L2.23868 13.8295L2.20264 13.9277C3.67087 16.786 6.68674 18.75 10.1788 18.75Z"
                    fill="#34A853"
                  />
                  <path
                    d="M5.10014 11.7305C4.91165 11.186 4.80257 10.6027 4.80257 9.99992C4.80257 9.3971 4.91165 8.81379 5.09022 8.26935L5.08523 8.1534L2.29464 6.02954L2.20333 6.0721C1.5982 7.25823 1.25098 8.5902 1.25098 9.99992C1.25098 11.4096 1.5982 12.7415 2.20333 13.9277L5.10014 11.7305Z"
                    fill="#FBBC05"
                  />
                  <path
                    d="M10.1789 4.63331C11.8554 4.63331 12.9864 5.34303 13.6312 5.93612L16.1511 3.525C14.6035 2.11528 12.5895 1.25 10.1789 1.25C6.68676 1.25 3.67088 3.21387 2.20264 6.07218L5.08953 8.26943C5.81381 6.15972 7.81776 4.63331 10.1789 4.63331Z"
                    fill="#EB4335"
                  />
                </svg>
                Sign in with Google
              </button>
            </div>
            <div className="relative py-3 sm:py-5">
              <div className="absolute inset-0 flex items-center">
                <div className="w-full border-t border-gray-700"></div>
              </div>
              <div className="relative flex justify-center text-sm">
                <span className="p-2 text-gray-400 bg-slate-900 sm:px-5 sm:py-2">
                  Or
                </span>
              </div>
            </div>
            <form onSubmit={handleSignIn}>
              <div className="space-y-6">
                <CustomInput
                  label="Email"
                  type="email"
                  placeholder="info@gmail.com"
                  required
                  value={email}
                  onChange={(event) => setEmail(event.target.value)}
                  className="!text-gray-900"
                />

                <CustomInput
                  label="Password"
                  type="password"
                  placeholder="Enter your password"
                  required
                  value={password}
                  onChange={(event) => setPassword(event.target.value)}
                  className="!text-gray-900"
                />

                {errorMessage && (
                  <p className="text-sm text-red-400">
                    {errorMessage}
                  </p>
                )}

                <div className="flex items-center justify-between">
                  <CustomCheckBox
                    label="Keep me logged in"
                    checked={isChecked}
                    onChange={(e) => setIsChecked(e.target.checked)}
                  />
                  <Link
                    to="/reset-password"
                    className="text-sm text-blue-400 hover:text-blue-300"
                  >
                    Forgot password?
                  </Link>
                </div>
                <div>
                  <CustomButton
                    className="w-full"
                    size="md"
                    variant="primary"
                    type="submit"
                    loading={isLoading}
                  >
                    Sign in
                  </CustomButton>
                </div>
              </div>
            </form>

            {/* <div className="mt-5">
              <p className="text-sm font-normal text-center text-gray-300 sm:text-start">
                Don&apos;t have an account? {""}
                <Link
                  to="/signup"
                  className="text-blue-400 hover:text-blue-300"
                >
                  Sign Up
                </Link>
              </p>
            </div> */}
          </div>
        </div>
      </div>
    </div>
  );
}