import React, { useState } from 'react';
import { TouchableOpacity, Text, GestureResponderEvent, ColorValue, Switch, TextInput, View, StyleSheet, Platform } from 'react-native';
import { useColors } from './colors';
import { MaterialCommunityIcons } from '@expo/vector-icons';

type ThemeTextType = {
    style?: Object,
    children?: any,
    numberOfLines?: number,
}
export const ThemeText = ({ style, children, numberOfLines }: ThemeTextType) => {
    const colors = useColors();
    return (
        <Text style={[style, { color: colors.text }]} numberOfLines={numberOfLines}>{children}</Text>
    );
};

type ThemeButtonType = {
    style?: Object,
    children?: React.ReactNode,
    onPress?: (event: GestureResponderEvent) => void,
    color?: ColorValue,
    disabled?: boolean,
}
export const ThemeButton = ({ style, children, onPress, color, disabled }: ThemeButtonType) => {
    const colors = useColors();
    return (
        <TouchableOpacity
            style={[
                style,
                {
                    backgroundColor: color ? color : colors.primary,
                    padding: 8,
                    height: 40,
                    borderRadius: 5,
                    opacity: disabled ? 0.5 : 1,
                    alignItems: 'center',
                    justifyContent: 'center',
                }
            ]}
            onPress={disabled ? undefined : onPress}
            disabled={disabled}
        >
            {children}
        </TouchableOpacity>
    );
};


type ThemeSwitchType = {
    style?: Object,
    value?: boolean,
    disabled?: boolean,
    onValueChange?: (value: boolean) => void | Promise<void>,
}
export const ThemeSwitch = ({ style, value, disabled, onValueChange }: ThemeSwitchType) => {
    const colors = useColors();
    return (
        <Switch
            style={style}
            trackColor={{
                false: colors.backSecondary,
                true: colors.backSecondary,
            }}
            thumbColor={disabled ? colors.textAccent : value ? colors.primary : colors.text}
            // @ts-expect-error - Für Web, TS kennt activeThumbColor nicht
            activeThumbColor={colors.primary}
            onValueChange={onValueChange}
            value={value}
            disabled={disabled}

        />
    );
};

type ThemeTextInputType = {
    style?: Object,
    value?: string,
    disabled?: boolean,
    onValueChange?: (value: string) => void | Promise<void>,
    secureTextEntry?: boolean,
    placeholder?: string,
}
export const ThemeTextInput = ({ style, value, disabled, onValueChange, secureTextEntry, placeholder }: ThemeTextInputType) => {
    const colors = useColors();
    const [showPassword, setShowPassword] = useState(!secureTextEntry);

    const styles = StyleSheet.create({
        container: {
            flexDirection: 'row',
            alignItems: 'center',
            justifyContent: 'center',
            borderRadius: 8,
            paddingRight: 14,
            paddingLeft: 8,
            paddingVertical: 1,
            marginVertical: 5,
            borderColor: disabled ? colors.textDisabled : colors.text,
            borderWidth: 1,
        },
        input: {
            flex: 1,
            paddingVertical: 10,
            paddingRight: 10,
            height: 45,  ...(Platform.OS === 'web' ? { outlineStyle: 'none' } : {}),
            ...(Platform.OS === 'web' ? { outlineStyle: 'none' } : {}),
            backgroundColor: colors.backPrimary,
            color: disabled ? colors.textDisabled : colors.text,
        },
        icon: {
            marginLeft: 10,
        },
    });

    return (
        <View style={styles.container}> 
            <TextInput
                style={styles.input}
                editable={!disabled}
                value={value}
                onChangeText={onValueChange}
                placeholder={placeholder}
                placeholderTextColor={colors.textAccent}
                secureTextEntry={!showPassword}
                autoCapitalize='none'
            />
            {
                secureTextEntry && <MaterialCommunityIcons
                    name={showPassword ? 'eye-off' : 'eye'}
                    size={24}
                    color="#aaa"
                    style={styles.icon}
                    onPress={() => setShowPassword(!showPassword)}
                />
            }
        </View>
    );
};