"use client"

import { zodResolver } from "@hookform/resolvers/zod"
import { useContext, useState } from "react"
import { useForm } from "react-hook-form"
import * as z from "zod"
import { AuthUIContext } from "../../../lib/auth-ui-provider"
import { cn, getLocalizedError } from "../../../lib/utils"
import { CardContent } from "../../ui/card"
import {
    Form,
    FormControl,
    FormField,
    FormItem,
    FormMessage
} from "../../ui/form"
import { Input } from "../../ui/input"
import { Skeleton } from "../../ui/skeleton"
import { SettingsCard } from "../shared/settings-card"
import type { SettingsCardProps } from "../shared/settings-card"

export function ChangeEmailCard({
    className,
    classNames,
    localization,
    ...props
}: SettingsCardProps) {
    const {
        authClient,
        emailVerification,
        hooks: { useSession },
        localization: contextLocalization,
        toast
    } = useContext(AuthUIContext)

    localization = { ...contextLocalization, ...localization }

    const { data: sessionData, isPending, refetch } = useSession()
    const [resendDisabled, setResendDisabled] = useState(false)

    const formSchema = z.object({
        email: z
            .string()
            .min(1, { message: localization.EMAIL_REQUIRED })
            .email({ message: localization.INVALID_EMAIL })
    })

    const form = useForm({
        resolver: zodResolver(formSchema),
        values: {
            email: sessionData?.user.email || ""
        }
    })

    const resendForm = useForm()

    const { isSubmitting } = form.formState

    const changeEmail = async ({ email }: z.infer<typeof formSchema>) => {
        if (email === sessionData?.user.email) {
            await new Promise((resolve) => setTimeout(resolve))
            toast({
                variant: "error",
                message: localization.EMAIL_IS_THE_SAME
            })
            return
        }

        try {
            await authClient.changeEmail({
                newEmail: email,
                callbackURL: window.location.pathname,
                fetchOptions: { throw: true }
            })

            if (sessionData?.user.emailVerified) {
                toast({
                    variant: "success",
                    message: localization.EMAIL_VERIFY_CHANGE!
                })
            } else {
                await refetch?.()
                toast({
                    variant: "success",
                    message: `${localization.EMAIL} ${localization.UPDATED_SUCCESSFULLY}`
                })
            }
        } catch (error) {
            toast({
                variant: "error",
                message: getLocalizedError({ error, localization })
            })
        }
    }

    const resendVerification = async () => {
        if (!sessionData) return
        const email = sessionData.user.email

        setResendDisabled(true)

        try {
            await authClient.sendVerificationEmail({
                email,
                fetchOptions: { throw: true }
            })

            toast({
                variant: "success",
                message: localization.EMAIL_VERIFICATION!
            })
        } catch (error) {
            toast({
                variant: "error",
                message: getLocalizedError({ error, localization })
            })
            setResendDisabled(false)
            throw error
        }
    }

    return (
        <>
            <Form {...form}>
                <form noValidate onSubmit={form.handleSubmit(changeEmail)}>
                    <SettingsCard
                        className={className}
                        classNames={classNames}
                        description={localization.EMAIL_DESCRIPTION}
                        instructions={localization.EMAIL_INSTRUCTIONS}
                        isPending={isPending}
                        title={localization.EMAIL}
                        actionLabel={localization.SAVE}
                        {...props}
                    >
                        <CardContent className={classNames?.content}>
                            {isPending ? (
                                <Skeleton
                                    className={cn(
                                        "h-9 w-full",
                                        classNames?.skeleton
                                    )}
                                />
                            ) : (
                                <FormField
                                    control={form.control}
                                    name="email"
                                    render={({ field }) => (
                                        <FormItem>
                                            <FormControl>
                                                <Input
                                                    className={
                                                        classNames?.input
                                                    }
                                                    placeholder={
                                                        localization.EMAIL_PLACEHOLDER
                                                    }
                                                    type="email"
                                                    disabled={isSubmitting}
                                                    {...field}
                                                />
                                            </FormControl>

                                            <FormMessage
                                                className={classNames?.error}
                                            />
                                        </FormItem>
                                    )}
                                />
                            )}
                        </CardContent>
                    </SettingsCard>
                </form>
            </Form>

            {emailVerification &&
                sessionData?.user &&
                !sessionData?.user.emailVerified && (
                    <Form {...resendForm}>
                        <form
                            onSubmit={resendForm.handleSubmit(
                                resendVerification
                            )}
                        >
                            <SettingsCard
                                className={className}
                                classNames={classNames}
                                title={localization.VERIFY_YOUR_EMAIL}
                                description={
                                    localization.VERIFY_YOUR_EMAIL_DESCRIPTION
                                }
                                actionLabel={
                                    localization.RESEND_VERIFICATION_EMAIL
                                }
                                disabled={resendDisabled}
                                {...props}
                            />
                        </form>
                    </Form>
                )}
        </>
    )
}