"use client";

import { postLogin, postRegister } from "@/actions/login";
import { cn } from "@/lib/utils";
import { zodResolver } from "@hookform/resolvers/zod";
import { useForm } from "react-hook-form";
import { z } from "zod";

import { toast } from "sonner";
import { Button } from "@/components/ui/button";
import {
  Card,
  CardHeader,
  CardDescription,
  CardContent,
  CardFooter,
  CardTitle,
} from "@/components/ui/card";
import {
  Form,
  FormControl,
  FormDescription,
  FormField,
  FormItem,
  FormLabel,
  FormMessage,
} from "@/components/ui/form";
import { Label } from "@/components/ui/label";
import { Input } from "@/components/ui/input";
import { useActionState } from "react";

const FormSchema = z.object({
  username: z.string().min(2, {
    message: "Username must be at least 2 characters.",
  }),
  password: z.string().min(2, {
    message: "Password must be at least 2 characters.",
  }),
});
export default function AuthScreen() {
  return <OOldform />;
}

function OOldform() {
  const [state, formAction, isPending] = useActionState<
    { msg: string },
    FormData
  >(postLogin, { msg: "init" });
  return (
    <form action={formAction}>
      {state.msg}
      <label>
        Username
        <input type="text" placeholder="shadcn" name="username" />
      </label>
      <label className="flex justify-between">
        <span>Password</span>
        <a
          href="#"
          className="ml-auto text-sm underline-offset-4 hover:underline"
        >
          Forgot your password?
        </a>
        <input type="password" placeholder="..." name="password" />
      </label>
      <button type="submit" className="w-full">
        Login
      </button>
      <div className="text-center text-sm">
        Don&apos;t have an account?{" "}
        <a href="#" className="underline underline-offset-4">
          Sign up
        </a>
      </div>
    </form>
  );
}
function Oldform() {
  const [state, formAction, isPending] = useActionState<
    { msg: string },
    FormData
  >(postLogin, { msg: "init" });
  return (
    <form action={formAction}>
      {state.msg}
      <div className="flex flex-col gap-6">
        <Card>
          <CardHeader className="text-center">
            <CardTitle className="text-xl">Welcome back</CardTitle>
            <CardDescription>Login to Sorlang</CardDescription>
            <p>{state.msg}</p>
          </CardHeader>
          <CardContent>
            <div className="grid gap-6">
              <div className="grid gap-6">
                <Label>
                  Username
                  <Input placeholder="shadcn" name="username" />
                </Label>
                <Label className="flex justify-between">
                  <span>Password</span>
                  <a
                    href="#"
                    className="ml-auto text-sm underline-offset-4 hover:underline"
                  >
                    Forgot your password?
                  </a>
                  <Input type="password" placeholder="..." name="password" />
                </Label>
              </div>
              <Button type="submit" className="w-full">
                Login
              </Button>
              <div className="text-center text-sm">
                Don&apos;t have an account?{" "}
                <a href="#" className="underline underline-offset-4">
                  Sign up
                </a>
              </div>
            </div>
          </CardContent>
        </Card>
        <div className="text-balance text-center text-xs text-muted-foreground [&_a]:underline [&_a]:underline-offset-4 [&_a]:hover:text-primary  ">
          By clicking continue, you agree to our{" "}
          <a href="#">Terms of Service</a> and <a href="#">Privacy Policy</a>.
        </div>
      </div>
    </form>
  );
}

function Register({ setRegister }: { setRegister: (b: boolean) => void }) {
  const form = useForm<z.infer<typeof FormSchema>>({
    resolver: zodResolver(FormSchema),
    defaultValues: {
      username: "",
      password: "",
    },
  });

  async function onSubmit(data: z.infer<typeof FormSchema>) {
    const body = JSON.stringify({
      name: data.username,
      creds: data.password,
    });
    const opts = {
      method: "POST",
      headers: { "Content-type": "application/json" },
      body,
    };
    const res = await fetch("/api/db/user/new", opts);
    const j = await res.json();
    console.log(j);
    if ("error" in j) toast(`Error: ${j.error}`);
    else {
      toast("Register successful");
    }
  }

  return (
    <Card>
      <CardTitle>Register</CardTitle>
      <Form {...form}>
        <form
          onSubmit={form.handleSubmit(onSubmit)}
          className="w-2/3 space-y-6"
        >
          <CardContent>
            <FormField
              control={form.control}
              name="username"
              render={({ field }) => (
                <FormItem>
                  <FormLabel>Username</FormLabel>
                  <FormControl>
                    <Input placeholder="shadcn" {...field} />
                  </FormControl>
                  <FormDescription>
                    This is your public display name.
                  </FormDescription>
                  <FormMessage />
                </FormItem>
              )}
            />
            <FormField
              control={form.control}
              name="password"
              render={({ field }) => (
                <FormItem>
                  <FormLabel>Password</FormLabel>
                  <FormControl>
                    <Input type="password" placeholder="..." {...field} />
                  </FormControl>
                  <FormMessage />
                </FormItem>
              )}
            />
          </CardContent>
          <CardFooter>
            <Button type="submit">Submit</Button>
          </CardFooter>
        </form>
      </Form>
    </Card>
  );
}

function LoginForm({
  className,
  ...props
}: React.ComponentPropsWithoutRef<"div">) {
  const form = useForm<z.infer<typeof FormSchema>>({
    resolver: zodResolver(FormSchema),
    defaultValues: {
      username: "",
      password: "",
    },
  });
  async function onSubmit(data: z.infer<typeof FormSchema>) {
    console.log("oh hai");
    const body = JSON.stringify({
      name: data.username,
      creds: data.password,
    });
    const opts = {
      method: "POST",
      headers: { "Content-type": "application/json" },
      body,
    };
    const res = await fetch("/api/login", opts);
    const j = await res.json();
    console.log({ j });
    if ("error" in j) toast(`Error! ${j.error}`);
    else {
      toast("Login successful");
    }
  }
  return (
    <div className={cn("flex flex-col gap-6", className)} {...props}>
      <Card>
        <CardHeader className="text-center">
          <CardTitle className="text-xl">Welcome back</CardTitle>
          <CardDescription>Login to Sorlang</CardDescription>
        </CardHeader>
        <CardContent>
          <Form {...form}>
            <form onSubmit={form.handleSubmit(onSubmit)}>
              <div className="grid gap-6">
                <div className="grid gap-6">
                  <FormField
                    control={form.control}
                    name="username"
                    render={({ field }) => (
                      <FormItem>
                        <FormLabel>Username</FormLabel>
                        <FormControl>
                          <Input placeholder="shadcn" {...field} />
                        </FormControl>
                        <FormMessage />
                      </FormItem>
                    )}
                  />
                  <FormField
                    control={form.control}
                    name="password"
                    render={({ field }) => (
                      <FormItem>
                        <FormLabel className="flex justify-between">
                          <span>Password</span>
                          <a
                            href="#"
                            className="ml-auto text-sm underline-offset-4 hover:underline"
                          >
                            Forgot your password?
                          </a>
                        </FormLabel>
                        <FormControl>
                          <Input type="password" placeholder="..." {...field} />
                        </FormControl>
                        <FormMessage />
                      </FormItem>
                    )}
                  />
                </div>
                <Button type="submit" className="w-full">
                  Login
                </Button>
                <div className="text-center text-sm">
                  Don&apos;t have an account?{" "}
                  <a href="#" className="underline underline-offset-4">
                    Sign up
                  </a>
                </div>
              </div>
            </form>
          </Form>
        </CardContent>
      </Card>
      <div className="text-balance text-center text-xs text-muted-foreground [&_a]:underline [&_a]:underline-offset-4 [&_a]:hover:text-primary  ">
        By clicking continue, you agree to our <a href="#">Terms of Service</a>{" "}
        and <a href="#">Privacy Policy</a>.
      </div>
    </div>
  );
}