"use client";

import React, { useState } from "react";
import { useForm } from "react-hook-form";
import { zodResolver } from "@hookform/resolvers/zod";
import { Button } from "@/components/ui/button";
import { Checkbox } from "@/components/ui/checkbox";
import { Label } from "@/components/ui/label";
import { Link } from "@/i18n/routing";
import { useTranslations } from "next-intl";
import {
  Dialog,
  DialogContent,
  DialogFooter,
  DialogTrigger,
} from "@/components/ui/dialog";
import { FormField } from "@/components/auth/form-field";
import { loginSchema, LoginFormData, LoginFormProps } from "@/types/auth";
import { useAuth } from "@/hooks/use-auth";
import { listRole } from "@/service/landing/landing";
import { Role } from "@/types/auth";

export const LoginForm: React.FC<LoginFormProps> = ({
  onSuccess,
  onError,
  className,
}) => {
  const t = useTranslations("LandingPage");
  const { login } = useAuth();

  const [showPassword, setShowPassword] = useState(false);
  const [rememberMe, setRememberMe] = useState(true);
  const [roles, setRoles] = useState<Role[]>([]);
  const [selectedCategory, setSelectedCategory] = useState("5");
  const [isDialogOpen, setIsDialogOpen] = useState(false);

  const {
    register,
    handleSubmit,
    formState: { errors, isSubmitting },
    getValues,
  } = useForm<LoginFormData>({
    resolver: zodResolver(loginSchema),
    mode: "onChange",
  });

  // Load roles on component mount
  React.useEffect(() => {
    const loadRoles = async () => {
      try {
        const response = await listRole();
        setRoles(response?.data?.data || []);
      } catch (error) {
        console.error("Failed to load roles:", error);
      }
    };
    loadRoles();
  }, []);

  const handlePasswordToggle = () => {
    setShowPassword(!showPassword);
  };

  const handleLogin = async (data: LoginFormData) => {
    try {
      await login(data);
      onSuccess?.(data);
    } catch (error: any) {
      onError?.(error.message || "Login failed");
    }
  };

  const onSubmit = async (data: LoginFormData) => {
    try {
      // Pass the form data to the parent component
      // The auth page will handle email validation and flow transitions
      onSuccess?.(data);
    } catch (error: any) {
      onError?.(error.message || "Login failed");
    }
  };

  return (
    <div className={className}>
      <form onSubmit={handleSubmit(onSubmit)} className="space-y-6">
        {/* Header */}
        <div className="text-left space-y-2">
          <h1 className="font-semibold text-3xl text-left">
            {t("logInPlease", { defaultValue: "Log In Please" })}
          </h1>
          <div className="text-default-500 text-base">
            {t("acc", { defaultValue: "Acc" })}
            <Dialog open={isDialogOpen} onOpenChange={setIsDialogOpen}>
              <DialogTrigger asChild>
                <span className="w-full lg:w-fit px-2 h-8 text-red-500 hover:cursor-pointer hover:underline">
                  {t("register", { defaultValue: "Register" })}
                </span>
              </DialogTrigger>
              <DialogContent size="sm" className="sm:max-w-[425px]">
                <div className="flex flex-col w-full gap-1">
                  <p className="text-lg font-semibold text-center">
                    {t("categoryReg", { defaultValue: "Category Reg" })}
                  </p>
                  <p className="text-base text-center">
                    {t("selectOne", { defaultValue: "Select One" })}
                  </p>
                </div>
                <div className="space-y-2">
                  {roles.map((role) => (
                    <div key={role.id} className="flex items-center space-x-2">
                      <input
                        type="radio"
                        id={`category${role.id}`}
                        name="category"
                        value={role.id.toString()}
                        checked={selectedCategory === role.id.toString()}
                        onChange={(e) => setSelectedCategory(e.target.value)}
                        className="text-red-500 focus:ring-red-500"
                      />
                      <Label htmlFor={`category${role.id}`} className="text-sm">
                        {role.name}
                      </Label>
                    </div>
                  ))}
                </div>
                <div className="border-b-2 border-black"></div>
                <DialogFooter>
                  <Link
                    href={`/auth/registration?category=${selectedCategory}`}
                    className="flex justify-center bg-red-500 px-4 py-2 rounded-md border border-black text-white hover:bg-red-600 transition-colors"
                  >
                    {t("next", { defaultValue: "Next" })}
                  </Link>
                </DialogFooter>
              </DialogContent>
            </Dialog>
          </div>
        </div>

        {/* Username Field */}
        <FormField
          label="Username"
          name="username"
          type="text"
          placeholder="Enter your username"
          error={errors.username?.message}
          disabled={isSubmitting}
          required
          inputProps={{
            size: "lg",
            ...register("username"),
          }}
        />

        {/* Password Field */}
        <FormField
          label={t("password", { defaultValue: "Password" })}
          name="password"
          type="password"
          placeholder="Enter your password"
          error={errors.password?.message}
          disabled={isSubmitting}
          required
          showPasswordToggle
          showPassword={showPassword}
          onPasswordToggle={handlePasswordToggle}
          inputProps={{
            size: "lg",
            ...register("password"),
          }}
        />

        {/* Remember Me and Forgot Password */}
        <div className="flex justify-between items-center">
          <div className="flex gap-2 items-center">
            <Checkbox
              id="rememberMe"
              checked={rememberMe}
              onCheckedChange={(checked) => setRememberMe(checked as boolean)}
              disabled={isSubmitting}
            />
            <Label htmlFor="rememberMe" className="text-sm">
              {t("rememberMe", { defaultValue: "Remember Me" })}
            </Label>
          </div>
          <Link
            href="/auth/forgot-password"
            className="text-sm text-default-800 dark:text-default-400 leading-6 font-medium hover:underline"
          >
            {t("forgotPass", { defaultValue: "Forgot Pass" })}
          </Link>
        </div>

        {/* Submit Button */}
        <Button
          type="submit"
          fullWidth
          disabled={isSubmitting}
          className="mt-6"
        >
          {isSubmitting ? (
            <div className="flex items-center gap-2">
              <div className="w-4 h-4 border-2 border-white border-t-transparent rounded-full animate-spin" />
              Processing...
            </div>
          ) : (
            "Selanjutnya"
          )}
        </Button>
      </form>
    </div>
  );
};