import React, { useState } from 'react';

import { StyleSheet, View } from 'react-native';

import { Link, useLocalSearchParams, router } from 'expo-router';

import { useThemeColor } from '@/hooks/use-theme-color';

import { Button, Input } from '@/components/ui';

import { Text } from '@/components/ui/Text';

import { AuthScreen } from '@/components/auth/AuthScreen';

import { useAuth } from '@/context/AuthContext';

import { useToast } from '@/context/ToastContext';

import { translateError } from '@/lib/errors/translations';

export default function ResetPasswordScreen() {

  const { token } = useLocalSearchParams<{ token: string }>();

  const [password, setPassword] = useState('');

  const [confirmPassword, setConfirmPassword] = useState('');

  const [errors, setErrors] = useState<{

    password?: string;

    confirmPassword?: string;

  }>({});

  const { resetPassword } = useAuth();

  const { showToast } = useToast();

  const [loading, setLoading] = useState(false);

  const textColor = useThemeColor({}, 'text');

  const tintColor = useThemeColor({}, 'tint');

  const validateForm = () => {

    const newErrors: typeof errors = {};

    if (!password) {

      newErrors.password = 'A senha é obrigatória';

    } else if (password.length < 6) {

      newErrors.password = 'A senha deve conter pelo menos 6 caracteres';

    }

    if (!confirmPassword) {

      newErrors.confirmPassword = 'Por favor confirme sua senha';

    } else if (password !== confirmPassword) {

      newErrors.confirmPassword = 'As senhas não coincidem';

    }

    setErrors(newErrors);

    return Object.keys(newErrors).length === 0;

  };

  const handleResetPassword = async () => {

    if (!validateForm()) return;

    if (!token) {

      showToast('Token não encontrado. Solicite um novo link de recuperação.', 'error');

      return;

    }

    setLoading(true);

    try {

      await resetPassword(token, password);

      showToast('Senha recuperada com sucesso!', 'success');

      router.replace('/auth/login');

    } catch (error) {

      showToast(translateError(error) || 'Falha em recuperar a conta', 'error');

    } finally {

      setLoading(false);

    }

  };

  return (

    <AuthScreen

      title="Recuperar a conta"

      subtitle="Digite uma nova senha para sua conta"

      footer={

        <View style={styles.footer}>

          <Text style={[styles.footerText, { color: textColor, opacity: 0.7 }]}>

            Lembrou da senha?{' '}

          </Text>

          <Link href="/auth/login" asChild style={StyleSheet.flatten([styles.link, { color: tintColor }])}>

            <Text style={StyleSheet.flatten([styles.link, { color: tintColor }])}>

              Faça login

            </Text>

          </Link>

        </View>

      }

    >

      <View style={styles.form}>

        <Input

          label="Nova senha"

          type="password"

          value={password}

          onChangeText={setPassword}

          placeholder="Digite uma nova senha"

          error={errors.password}

          showPasswordToggle

        />

        <Input

          label="Confirmar nova senha"

          type="password"

          value={confirmPassword}

          onChangeText={setConfirmPassword}

          placeholder="Confirme a nova senha"

          error={errors.confirmPassword}

          showPasswordToggle

        />

        <Button

          title="Trocar senha"

          onPress={handleResetPassword}

          loading={loading}

          style={styles.resetButton}

        />

      </View>

    </AuthScreen>

  );

}

const styles = StyleSheet.create({

  form: {

    marginBottom: 32,

  },

  resetButton: {

    marginTop: 8,

  },

  link: {

    textAlign: 'center',

    fontSize: 14,

    fontWeight: '500',

  },

  footer: {

    flexDirection: 'row',

    justifyContent: 'center',

    alignItems: 'center',

  },

  footerText: {

    fontSize: 14,

  },

});