import * as ImagePicker from 'expo-image-picker'
import { Pressable, Text } from 'react-native'
import useMinuit from 'react-native-minuit/src/hooks/useMinuit.js'
import React, { useGlobal } from 'reactn'

import { responsiveWidth } from '../actions/responsiveSizes.js'
import Page from '../layouts/Page'

import alert from '../components/Alert.js'
import Avatar from '../components/Avatar'
import InputRow from '../components/InputRow'
import ItemRowList from '../components/ItemRowList.js'

import firebase, { usersRef } from '../config/firebase'

import { uploadFileToFirebase } from '../helpers/uploadToFirebase'
import { Routes } from '../navigation/Routes.js'
import { Fonts, gutters, Palette, Style } from '../styles'

import { useUserData } from '../providers/UserDataProvider.js'

export default ({ navigation }) => {
  const { setIsLoading, setTooltip } = useMinuit()
  const { onSignOut } = useUserData()

  const [currentUID] = useGlobal('currentUID')
  const [currentUserData] = useGlobal('currentUserData')

  const settingsList = [
    {
      title: 'Nom du compte',
      key: 'name',
      value: currentUserData?.name || '',
      type: 'string',
    },
    {
      title: 'Adresse email',
      key: 'email',
      value: currentUserData?.email || '',
      type: 'string',
    },
    {
      title: 'Mot de passe',
      key: 'password',
      value: '',
      type: 'string',
    },
    {
      title: 'Notifications push',
      key: 'notifications',
      value: !!currentUserData?.notifications,
      type: 'boolean',
    },
    {
      title: 'Notifications par email',
      key: 'emailNotifications',
      value: !!currentUserData?.emailNotifications,
      type: 'boolean',
    },
    {
      title: 'Langue',
      key: 'language',
      value: currentUserData?.language || '',
      type: 'string',
    },
  ]

  const destructiveSettingsList = [
    {
      title: 'Supprimer mon compte',
      action: () => onDeleteUserAccount(),
      textStyle: {
        color: Palette.red,
      },
    },
  ].filter(({ condition = true }) => condition)

  const onChangePicture = async () => {
    try {
      setIsLoading(true)

      let result = await ImagePicker.launchImageLibraryAsync({
        mediaTypes: ImagePicker.MediaTypeOptions.Images,
        allowsEditing: true,
        aspect: [4, 4],
        quality: 1,
      })

      if (result?.assets?.[0]?.uri) {
        const { resultURI = null } = await uploadFileToFirebase({
          uri: result?.assets?.[0]?.uri,
          path: `users/${currentUID}/profilePicture.png`,
        })

        if (resultURI) {
          await usersRef.doc(currentUID).update({
            profilePictureURL: resultURI,
          })

          await firebase.auth().currentUser.updateProfile({
            photoURL: resultURI,
          })

          setTooltip({
            type: 'success',
            text: 'Photo de profil mise à jour',
          })
        } else {
          throw new Error('Erreur changement photo de profil')
        }
      }
    } catch (error) {
      console.log(error)

      setTooltip({
        type: 'error',
        text: error.message,
      })
    } finally {
      setIsLoading(false)
    }
  }

  const onUpdateValue = async ({ key, value = null, currentPassword = null }) => {
    try {
      setIsLoading(true)
      const user = firebase.auth().currentUser

      const reauthenticateUser = async () => {
        try {
          const credential = firebase.auth.EmailAuthProvider.credential(
            user?.email,
            currentPassword
          )

          await user.reauthenticateWithCredential(credential)
        } catch (error) {
          throw new Error('Erreur authentification')
        }
      }

      // Validate input except for booleans where false is allowed
      const isInvalidString = typeof value === 'string' && value.trim().length === 0
      const isNullish = value === null || value === undefined
      if (isNullish || isInvalidString) {
        throw new Error('Vérifiez les informations saisies')
      }

      if (key === 'name') {
        await user.updateProfile({
          displayName: value,
        })
      }

      if (['email', 'password'].includes(key)) {
        await reauthenticateUser()

        if (key === 'email') {
          try {
            await user.updateEmail(value)
          } catch (e) {
            throw new Error('Erreur changement email')
          }
        }

        if (key === 'password') {
          try {
            await user.updatePassword(value)
          } catch (e) {
            throw new Error('Erreur changement mot de passe')
          }
        }
      }

      if (key !== 'password') {
        await usersRef.doc(currentUID).update({
          [key]: value,
        })
      }

      setTooltip({
        type: 'success',
        text: 'Modifications enregistrées',
      })
    } catch (error) {
      console.log(error)

      setTooltip({
        type: 'error',
        text: error.message,
      })
    } finally {
      setIsLoading(false)
    }
  }

  const onDeleteUserAccount = async () => {
    alert(
      'Êtes-vous sûr?',
      'La suppression de votre compte entraînera la suppression de toutes les données liées.',
      [
        {
          text: 'Annuler',
          onPress: () => {},
          style: 'cancel',
        },
        {
          text: 'Confirmer',
          onPress: async () => {
            try {
              setIsLoading(true)

              await firebase.functions().httpsCallable('users-deleteUserAccount')()

              await onSignOut()

              setTooltip({
                type: 'success',
                text: 'Compte supprimé avec succès!',
              })

              navigation.reset({
                index: 0,
                routes: [
                  {
                    name: Routes.Login,
                  },
                ],
              })
            } catch (error) {
              setTooltip({
                type: 'error',
                text: error.message,
              })
            } finally {
              setIsLoading(false)
            }
          },
          style: 'confirm',
        },
      ],
      { cancelable: false }
    )
  }

  return (
    <Page headerType="NAVIGATE" title={'Paramètres du compte'} scrollEnabled>
      <Pressable
        onPress={onChangePicture}
        style={[Style.containerCenter, { marginBottom: gutters }]}
      >
        <Avatar
          name={currentUserData?.name}
          url={currentUserData?.profilePictureURL || null}
          forceRawImage
          size={responsiveWidth(30)}
          containerStyle={{
            marginBottom: gutters / 2,
            ...Style.defaultShadows,
          }}
        />
        <Text
          style={Fonts({
            type: 'section',
            style: { color: Palette.primary, textDecorationLine: 'underline' },
          })}
        >
          Modifier
        </Text>
      </Pressable>

      {settingsList.map((setting) => {
        const { title, key, value, type } = setting

        return (
          <InputRow
            key={key}
            itemKey={key}
            value={value}
            type={type}
            title={title}
            onUpdateValue={onUpdateValue}
          />
        )
      })}

      <ItemRowList
        title={'Gérer mon abonnement'}
        action={() => navigation.navigate(Routes.ManageSubscription)}
        containerStyle={{}}
      />

      {destructiveSettingsList.map((setting, index) => (
        <ItemRowList key={index} {...setting} containerStyle={{}} />
      ))}
    </Page>
  )
}