// import { CameraView, useCameraPermissions } from 'expo-camera';
// import { useEffect, useRef, useState } from 'react';
// import { ActivityIndicator, Dimensions, Pressable, ScrollView, StyleSheet, Text, Vibration, View } from 'react-native';
// import ChooseCarForChargingRow from '../../../../component/global/chooseCarForChargingRow';
// import { CrossLogoWhiteSvg, QuestionSvg } from '../../../../component/global/SVG';
// import { router } from 'expo-router';
// import { chargeStationService } from '../../../../service/chargeStationService';
// import { authenticationService } from '../../../../service/authService';
// import { walletService } from '../../../../service/walletService';

// const ScanQrPage = () => {
//     const [permission, requestPermission] = useCameraPermissions();
//     const [scanned, setScanned] = useState(false);
//     const viewRef = useRef(null);
//     const [scannedResult, setScannedResult] = useState('');
//     const [selectedCar, setSelectedCar] = useState('');
//     const [userID, setUserID] = useState<string>('');
//     const now = new Date();

//     useEffect(() => {
//         (async () => {
//             const { status } = await requestPermission();
//             if (status !== 'granted') {
//                 alert('需要相機權限以掃描QR碼');
//             }
//         })();
//     }, []);

//     useEffect(() => {
//         const fetchID = async () => {
//             try {
//                 const response = await authenticationService.getUserInfo();
//                 if (response) {
//                     setUserID(response.data.id);
//                 } else {
//                     console.log('fail to set user ID');
//                 }
//             } catch (error) {
//                 console.log(error);
//             }
//         };
//         fetchID();
//     }, []);

//     // useEffect(() => {
//     //     console.log(selectedCar);
//     // }, [selectedCar]);

//     if (!permission) {
//         return <View />;
//     }

//     if (!permission.granted) {
//         return (
//             <View className="flex-1 justify-center items-center">
//                 <Text style={{ textAlign: 'center' }}>需要相機權限以掃描QR碼，請在設定中開啟相機權限</Text>
//             </View>
//         );
//     }

//     const { width: screenWidth, height: screenHeight } = Dimensions.get('window');

//     const handleBarCodeScanned = ({ bounds, data, type }: { bounds: any; data: any; type: any }) => {
//         const { origin, size } = bounds;
//         // Calculate the size of the square transparent area
//         const transparentAreaSize = Math.min(screenWidth * 0.6, screenHeight * 0.3);
//         const transparentAreaX = (screenWidth - transparentAreaSize) / 2;
//         const transparentAreaY = (screenHeight - transparentAreaSize) / 2;

//         // Check if the barcode is within the transparent area
//         if (
//             origin.x >= transparentAreaX &&
//             origin.y >= transparentAreaY &&
//             origin.x + size.width <= transparentAreaX + transparentAreaSize &&
//             origin.y + size.height <= transparentAreaY + transparentAreaSize
//         ) {
//             setScanned(true);
//             setScannedResult(data);
//             Vibration.vibrate(100);
//             console.log(` type: ${type}            data: ${data}  typeofData ${typeof data}`);
//             startCharging(data);
//             setTimeout(() => {
//                 setScanned(false);
//             }, 5000);
//         }
//     };

//     const ChooseCar = () => {

//         const [loading, setLoading] = useState(false);
//         const isLargeScreen = screenHeight >= 800;
//         const [carData, setCarData] = useState([]);
//         const defaultImageUrl = require('../../../../assets/car1.png');
//         useEffect(() => {
//             const fetchAllCars = async () => {
//                 setLoading(true);
//                 try {
//                     const response = await chargeStationService.getUserCars();
//                     if (response) {
//                         // console.log(response.data);
//                         const carTypes = response.data.map((item: any) => ({
//                             id: item.id,
//                             name: item.car_type.name,
//                             image: item.car_type.type_image_url
//                         }));
//                         // console.log('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', carTypes);
//                         let updatedCarTypes = [...carTypes];
//                         for (let i = 0; i < carTypes.length; i++) {
//                             const car = updatedCarTypes[i];
//                             const imageUrl = await chargeStationService.getProcessedImageUrl(car.image);
//                             updatedCarTypes[i] = {
//                                 ...car,
//                                 image: imageUrl
//                             };
//                         }
//                         setCarData(updatedCarTypes);
//                         return true;
//                     }
//                 } catch (error) {
//                     console.log(error);
//                 } finally {
//                     setLoading(false);
//                 }
//             };
//             fetchAllCars();
//         }, []);

//         return (
//             <View
//                 style={{
//                     ...(isLargeScreen
//                         ? {
//                               marginTop: '10%',
//                               marginBottom: '12%',
//                               paddingBottom: 12
//                           }
//                         : {
//                               flex: 1,
//                               alignItems: 'center',
//                               justifyContent: 'center'
//                           })
//                 }}
//             >
//                 <View className="justify-center items-center flex-1 ">
//                     <View
//                         style={{
//                             ...(isLargeScreen
//                                 ? {}
//                                 : {
//                                       backgroundColor: 'rgba(0,0,0,0.7)'
//                                   })
//                         }}
//                     >
//                         {loading ? (
//                             <View className="w-full">
//                                 <ActivityIndicator color="#34657b" />
//                             </View>
//                         ) : (
//                             <View className="w-full bg-[#000000B3]">
//                                 <View className="flex-row items-center justify-between mx-[5%] ">
//                                     <Pressable
//                                         className="pt-4 "
//                                         onPress={() => {
//                                             if (router.canGoBack()) {
//                                                 router.back();
//                                             } else {
//                                                 router.replace('mainPage');
//                                             }
//                                         }}
//                                     >
//                                         <CrossLogoWhiteSvg />
//                                     </Pressable>

//                                     <Text className="text-base text-white pt-2">選擇充電車輛</Text>
//                                     <Text className="text-xl text-white pt-2"></Text>
//                                 </View>

//                                 <ScrollView
//                                     horizontal={true}
//                                     showsHorizontalScrollIndicator={false}
//                                     contentContainerStyle={{
//                                         alignItems: 'center',
//                                         flexDirection: 'row',
//                                         marginVertical: 12
//                                     }}
//                                     className="space-x-2 mx-[5%]"
//                                 >
//                                     {carData.map((car, index) => (
//                                         <ChooseCarForChargingRow
//                                             key={`${car.name}+${index}`}
//                                             image={car.image}
//                                             onPress={() => {
//                                                 setSelectedCar(car.id);
//                                                 console.log(car.id);
//                                             }}
//                                             isSelected={selectedCar === car.id}
//                                             // imageUrl={image}
//                                             VehicleName={car.name}
//                                             isDefault={car.isDefault}
//                                         />
//                                     ))}
//                                 </ScrollView>
//                             </View>
//                         )}
//                     </View>
//                 </View>
//             </View>
//         );
//     };

//     const dataForSubmission = {
//         stationID: '2405311022116801000',
//         connector: scannedResult,
//         user: userID,
//         book_time: now,
//         end_time: now,
//         total_power: 0,
//         total_fee: 0,
//         promotion_code: '',
//         car: selectedCar,
//         type: 'walking'
//     };

//     const startCharging = async () => {
//         try {
//             const response = await walletService.submitPayment(
//                 dataForSubmission.stationID,
//                 dataForSubmission.connector,
//                 dataForSubmission.user,
//                 dataForSubmission.book_time,
//                 dataForSubmission.end_time,
//                 dataForSubmission.total_power,
//                 dataForSubmission.total_fee,
//                 dataForSubmission.promotion_code,
//                 dataForSubmission.car,
//                 dataForSubmission.type
//             );

//             if (response) {
//                 console.log('Charging started', response);
//                 router.push('(auth)/(tabs)/(charging)/chargingPage');
//             } else {
//                 console.log('Failed to start charging:', response);
//             }
//         } catch (error) {
//             console.log('Failed to start charging:', error);
//         }
//     };

//     return (
//         <View style={styles.container} ref={viewRef}>
//             <CameraView
//                 style={styles.camera}
//                 facing="back"
//                 barcodeScannerSettings={{
//                     barcodeTypes: ['qr']
//                 }}
//                 onBarcodeScanned={scanned ? undefined : handleBarCodeScanned}
//                 responsiveOrientationWhenOrientationLocked={true}
//             >
//                 <View style={styles.overlay}>
//                     <View style={styles.topOverlay}>
//                         <ChooseCar />
//                     </View>
//                     <View style={styles.centerRow}>
//                         <View style={styles.leftOverlay}></View>
//                         <View style={styles.transparentArea}></View>
//                         <View style={styles.rightOverlay} />
//                     </View>
//                     <View className="items-center justify-between" style={styles.bottomOverlay}>
//                         <View>
//                             <Text className="text-white text-lg font-bold mt-2 ">請掃瞄充電座上的二維碼</Text>
//                         </View>
//                         <View className="flex-row space-x-2 items-center ">
//                             <QuestionSvg />

//                             <Pressable onPress={() => router.push('assistancePage')}>
//                                 <Text className="text-white text-base">需要協助?</Text>
//                             </Pressable>
//                         </View>
//                         <View />
//                     </View>
//                 </View>
//             </CameraView>
//         </View>
//     );
// };

// const styles = StyleSheet.create({
//     container: {
//         flex: 1
//     },
//     camera: {
//         flex: 1
//     },
//     overlay: {
//         flex: 1
//     },
//     topOverlay: {
//         flex: 35,
//         alignItems: 'center',
//         backgroundColor: 'rgba(0,0,0,0.5)'
//     },
//     centerRow: {
//         flex: 30,
//         flexDirection: 'row'
//     },
//     leftOverlay: {
//         flex: 20,
//         backgroundColor: 'rgba(0,0,0,0.5)'
//     },
//     transparentArea: {
//         flex: 60,
//         aspectRatio: 1,
//         position: 'relative'
//     },

//     rightOverlay: {
//         flex: 20,
//         backgroundColor: 'rgba(0,0,0,0.5)'
//     },
//     bottomOverlay: {
//         flex: 35,
//         backgroundColor: 'rgba(0,0,0,0.5)'
//     }
// });

// export default ScanQrPage;
import { CameraView, useCameraPermissions } from 'expo-camera';
import { useEffect, useRef, useState } from 'react';
import {
    ActivityIndicator,
    Alert,
    Dimensions,
    Pressable,
    ScrollView,
    StyleSheet,
    Text,
    Vibration,
    View
} from 'react-native';
import ChooseCarForChargingRow from '../../../../component/global/chooseCarForChargingRow';
import { CrossLogoWhiteSvg, QuestionSvg } from '../../../../component/global/SVG';
import { router } from 'expo-router';
import { chargeStationService } from '../../../../service/chargeStationService';
import { authenticationService } from '../../../../service/authService';
import { walletService } from '../../../../service/walletService';

const ScanQrPage = () => {
    const [permission, requestPermission] = useCameraPermissions();
    const [scanned, setScanned] = useState(false);
    const viewRef = useRef(null);
    const [scannedResult, setScannedResult] = useState('');
    const [selectedCar, setSelectedCar] = useState('');
    const [userID, setUserID] = useState<string>('');
    const now = new Date();
    const [loading, setLoading] = useState(false);
    const [carData, setCarData] = useState([]);
   
    useEffect(() => {
        (async () => {
            const { status } = await requestPermission();
            if (status !== 'granted') {
                alert('需要相機權限以掃描QR碼');
            }
        })();
    }, []);

    useEffect(() => {
        const fetchAllCars = async () => {
            setLoading(true);
            try {
                const response = await chargeStationService.getUserCars();
                if (response) {
                    // console.log(response.data);
                    const carTypes = response.data.map((item: any) => ({
                        id: item.id,
                        name: item.car_type.name,
                        image: item.car_type.type_image_url
                    }));
                    // console.log('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', carTypes);
                    let updatedCarTypes = [...carTypes];
                    for (let i = 0; i < carTypes.length; i++) {
                        const car = updatedCarTypes[i];
                        const imageUrl = await chargeStationService.getProcessedImageUrl(car.image);
                        updatedCarTypes[i] = {
                            ...car,
                            image: imageUrl
                        };
                    }
                    setCarData(updatedCarTypes);
                    return true;
                }
            } catch (error) {
                console.log(error);
            } finally {
                setLoading(false);
            }
        };
        fetchAllCars();
    }, []);
    useEffect(() => {
        const fetchID = async () => {
            try {
                const response = await authenticationService.getUserInfo();
                if (response) {
                    setUserID(response.data.id);
                } else {
                    console.log('fail to set user ID');
                }
            } catch (error) {
                console.log(error);
            }
        };
        fetchID();
    }, []);

    useEffect(() => {
        console.log(selectedCar);
    }, [selectedCar]);

    if (!permission) {
        return <View />;
    }

    if (!permission.granted) {
        return (
            <View className="flex-1 justify-center items-center">
                <Text style={{ textAlign: 'center' }}>需要相機權限以掃描QR碼，請在設定中開啟相機權限</Text>
            </View>
        );
    }

    const { width: screenWidth, height: screenHeight } = Dimensions.get('window');

    const handleBarCodeScanned = ({ bounds, data, type }: { bounds: any; data: any; type: any }) => {
        const { origin, size } = bounds;
        // Calculate the size of the square transparent area
        const transparentAreaSize = Math.min(screenWidth * 0.6, screenHeight * 0.3);
        const transparentAreaX = (screenWidth - transparentAreaSize) / 2;
        const transparentAreaY = (screenHeight - transparentAreaSize) / 2;

        // Check if the barcode is within the transparent area
        if (
            origin.x >= transparentAreaX &&
            origin.y >= transparentAreaY &&
            origin.x + size.width <= transparentAreaX + transparentAreaSize &&
            origin.y + size.height <= transparentAreaY + transparentAreaSize
        ) {
            setScanned(true);
            setScannedResult(data);
            Vibration.vibrate(100);
            console.log(` type: ${type}            data: ${data}  typeofData ${typeof data}`);
            startCharging(data);
            setTimeout(() => {
                setScanned(false);
            }, 2000);
        }
    };

    const ChooseCar = ({ carData, loading, selectedCar, setSelectedCar }) => {
        const isLargeScreen = screenHeight >= 800;
        const defaultImageUrl = require('../../../../assets/car1.png');

        return (
            <View
                style={{
                    ...(isLargeScreen
                        ? {
                              marginTop: '10%',
                              marginBottom: '12%',
                              paddingBottom: 12
                          }
                        : {
                              flex: 1,
                              alignItems: 'center',
                              justifyContent: 'center'
                          })
                }}
            >
                <View className="justify-center items-center flex-1 ">
                    <View
                        style={{
                            ...(isLargeScreen
                                ? {}
                                : {
                                      backgroundColor: 'rgba(0,0,0,0.7)'
                                  })
                        }}
                    >
                        {loading ? (
                            <View className="w-full">
                                <ActivityIndicator color="#34657b" />
                            </View>
                        ) : (
                            <View className="w-full bg-[#000000B3]">
                                <View className="flex-row items-center justify-between mx-[5%] ">
                                    <Pressable
                                        className="pt-4 "
                                        onPress={() => {
                                            if (router.canGoBack()) {
                                                router.back();
                                            } else {
                                                router.replace('mainPage');
                                            }
                                        }}
                                    >
                                        <CrossLogoWhiteSvg />
                                    </Pressable>

                                    <Text className="text-base text-white pt-2">選擇充電車輛</Text>
                                    <Text className="text-xl text-white pt-2"></Text>
                                </View>

                                <ScrollView
                                    horizontal={true}
                                    showsHorizontalScrollIndicator={false}
                                    contentContainerStyle={{
                                        alignItems: 'center',
                                        flexDirection: 'row',
                                        marginVertical: 12
                                    }}
                                    className="space-x-2 mx-[5%]"
                                >
                                    {carData.map((car, index) => (
                                        <ChooseCarForChargingRow
                                            key={`${car.name}+${index}`}
                                            image={car.image}
                                            onPress={() => {
                                                setSelectedCar(car.id);
                                                console.log(car.id);
                                            }}
                                            isSelected={selectedCar === car.id}
                                            // imageUrl={image}
                                            VehicleName={car.name}
                                            isDefault={car.isDefault}
                                        />
                                    ))}
                                </ScrollView>
                            </View>
                        )}
                    </View>
                </View>
            </View>
        );
    };

    const dataForSubmission = {
        stationID: '2405311022116801000',
        connector: scannedResult,
        user: userID,
        book_time: now,
        end_time: now,
        total_power: 0,
        total_fee: 0,
        promotion_code: '',
        car: selectedCar,
        type: 'walking'
    };

    const startCharging = async (scanResult) => {
        try {
            if (selectedCar === '') {
                Alert.alert('請選擇車輛');
                return;
            }

            const response = await walletService.submitPayment(
                dataForSubmission.stationID,
                scanResult,
                dataForSubmission.user,
                dataForSubmission.book_time,
                dataForSubmission.end_time,
                dataForSubmission.total_power,
                dataForSubmission.total_fee,
                dataForSubmission.promotion_code,
                dataForSubmission.car,
                dataForSubmission.type
            );

            if (response) {
                console.log('Charging stasdasdasdarted', response);
                router.push('(auth)/(tabs)/(charging)/chargingPage');
            } else {
                console.log('Failed to start chargi12312312ng:', response);
                Alert.alert('掃描失敗 請稍後再試。', response);
            }
        } catch (error) {
            console.log('Failed to start charging:', error);
        }
    };

    return (
        <View style={styles.container} ref={viewRef}>
            <CameraView
                style={styles.camera}
                facing="back"
                barcodeScannerSettings={{
                    barcodeTypes: ['qr']
                }}
                onBarcodeScanned={scanned ? undefined : handleBarCodeScanned}
                responsiveOrientationWhenOrientationLocked={true}
            >
                <View style={styles.overlay}>
                    <View style={styles.topOverlay}>
                        <ChooseCar
                            carData={carData}
                            loading={loading}
                            selectedCar={selectedCar}
                            setSelectedCar={setSelectedCar}
                        />
                    </View>
                    <View style={styles.centerRow}>
                        <View style={styles.leftOverlay}></View>
                        <View style={styles.transparentArea}></View>
                        <View style={styles.rightOverlay} />
                    </View>
                    <View className="items-center justify-between" style={styles.bottomOverlay}>
                        <View>
                            <Text className="text-white text-lg font-bold mt-2 ">請掃瞄充電座上的二維碼</Text>
                        </View>
                        <View className="flex-row space-x-2 items-center ">
                            <QuestionSvg />

                            <Pressable onPress={() => router.push('assistancePage')}>
                                <Text className="text-white text-base">需要協助?</Text>
                            </Pressable>
                        </View>
                        <View />
                    </View>
                </View>
            </CameraView>
        </View>
    );
};

const styles = StyleSheet.create({
    container: {
        flex: 1
    },
    camera: {
        flex: 1
    },
    overlay: {
        flex: 1
    },
    topOverlay: {
        flex: 35,
        alignItems: 'center',
        backgroundColor: 'rgba(0,0,0,0.5)'
    },
    centerRow: {
        flex: 30,
        flexDirection: 'row'
    },
    leftOverlay: {
        flex: 20,
        backgroundColor: 'rgba(0,0,0,0.5)'
    },
    transparentArea: {
        flex: 60,
        aspectRatio: 1,
        position: 'relative'
    },

    rightOverlay: {
        flex: 20,
        backgroundColor: 'rgba(0,0,0,0.5)'
    },
    bottomOverlay: {
        flex: 35,
        backgroundColor: 'rgba(0,0,0,0.5)'
    }
});

export default ScanQrPage;