import { Text } from "react-native";
import { Controller, useForm } from "react-hook-form";
import { z } from "zod";
import { zodResolver } from "@hookform/resolvers/zod";

import { FormInput } from "@/components/auth/FormInput";
import { PasswordInput } from "@/components/auth/PasswordInput";
import { MessageDisplay } from "@/components/auth/MessageDisplay";
import { AuthButton } from "@/components/auth/AuthButton";

const signInSchema = z.object({
  emailAddress: z
    .string()
    .trim()
    .min(1, "Email is required")
    .pipe(z.email("Enter a valid email address")),
  password: z
    .string()
    .min(1, "Password is required")
    .max(128, "Password is too long"),
});

type SignInValues = z.infer<typeof signInSchema>;

interface SignInFormProps {
  errorMessage: string;
  successMessage: string;
  isLoading: boolean;
  onSignInSubmit: (values: {
    emailAddress: string;
    password: string;
  }) => void | Promise<void>;
}

export const SignInForm = ({
  errorMessage,
  successMessage,
  isLoading,
  onSignInSubmit,
}: SignInFormProps) => {
  const { control, handleSubmit } = useForm<SignInValues>({
    resolver: zodResolver(signInSchema),
    defaultValues: { emailAddress: "", password: "" },
    mode: "onBlur",
    reValidateMode: "onBlur",
    shouldUnregister: false,
  });

  const submit = (vals: SignInValues) =>
    onSignInSubmit({
      emailAddress: vals.emailAddress.trim().toLowerCase(),
      password: vals.password,
    });

  return (
    <>
      <Controller
        control={control}
        name="emailAddress"
        render={({
          field: { onChange, onBlur, value },
          fieldState: { error },
        }) => (
          <>
            <FormInput
              label="Email"
              value={value}
              onChangeText={onChange}
              onBlur={onBlur}
              icon="email"
              keyboardType="email-address"
              disabled={isLoading}
              style={{ marginBottom: 8 }}
              returnKeyType="next"
            />
            {error ? (
              <Text
                style={{ color: "#F83434", marginTop: -4, marginBottom: 8 }}
              >
                {error.message}
              </Text>
            ) : null}
          </>
        )}
      />

      <Controller
        control={control}
        name="password"
        render={({
          field: { onChange, onBlur, value },
          fieldState: { error },
        }) => (
          <>
            <PasswordInput
              label="Password"
              value={value}
              onChangeText={onChange}
              onBlur={onBlur}
              disabled={isLoading}
              style={{ marginBottom: 8 }}
              returnKeyType="done"
              onSubmitEditing={() => handleSubmit(submit)()}
            />
            {error ? (
              <Text
                style={{ color: "#F83434", marginTop: -4, marginBottom: 8 }}
              >
                {error.message}
              </Text>
            ) : null}
          </>
        )}
      />

      {errorMessage ? (
        <MessageDisplay message={errorMessage} type="error" />
      ) : null}
      {successMessage ? (
        <MessageDisplay message={successMessage} type="success" />
      ) : null}

      <AuthButton
        onPress={handleSubmit(submit)}
        loading={isLoading}
        disabled={isLoading}
      >
        {isLoading ? "Signing in..." : "Sign In"}
      </AuthButton>
    </>
  );
};