'use client'

import { useState } from "react"
import { useForm } from "react-hook-form"
import { zodResolver } from "@hookform/resolvers/zod"
import * as z from "zod"
import { Customer, CustomerInsert } from "@/types/customer"
import { addCustomer, updateCustomer } from "@/lib/customers/actions"

import { Button } from "@/components/ui/button"
import {
    Dialog,
    DialogContent,
    DialogDescription,
    DialogFooter,
    DialogHeader,
    DialogTitle,
    DialogTrigger,
} from "@/components/ui/dialog"
import {
    Form,
    FormControl,
    FormField,
    FormItem,
    FormLabel,
    FormMessage,
} from "@/components/ui/form"
import { Input } from "@/components/ui/input"
import { Textarea } from "@/components/ui/textarea"
import { Plus, Loader2 } from "lucide-react"
import { toast } from "sonner"

const formSchema = z.object({
    full_name: z.string().min(2, "Ad soyad en az 2 karakter olmalıdır"),
    email: z.string().email("Geçersiz e-posta adresi").or(z.literal("")).optional(),
    phone: z.string().optional(),
    address: z.string().optional(),
    notes: z.string().optional(),
})

interface CustomerFormProps {
    customer?: Customer
    trigger?: React.ReactNode
}

export function CustomerForm({ customer, trigger }: CustomerFormProps) {
    const [open, setOpen] = useState(false)
    const [loading, setLoading] = useState(false)

    const form = useForm<z.infer<typeof formSchema>>({
        resolver: zodResolver(formSchema),
        defaultValues: {
            full_name: customer?.full_name || "",
            email: customer?.email || "",
            phone: customer?.phone || "",
            address: customer?.address || "",
            notes: customer?.notes || "",
        },
    })

    async function onSubmit(values: z.infer<typeof formSchema>) {
        setLoading(true)
        try {
            const customerData = {
                ...values,
                email: values.email || null,
                phone: values.phone || null,
                address: values.address || null,
                notes: values.notes || null,
            } as CustomerInsert

            let result
            if (customer) {
                result = await updateCustomer(customer.id, customerData)
            } else {
                result = await addCustomer(customerData)
            }

            if (result.success) {
                toast.success(customer ? "Müşteri güncellendi" : "Müşteri eklendi")
                setOpen(false)
                form.reset()
            } else {
                toast.error(result.error)
            }
        } catch {
            toast.error("Bir hata oluştu")
        } finally {
            setLoading(false)
        }
    }

    return (
        <Dialog open={open} onOpenChange={setOpen}>
            <DialogTrigger asChild>
                {trigger || (
                    <Button>
                        <Plus className="mr-2 h-4 w-4" /> Yeni Müşteri
                    </Button>
                )}
            </DialogTrigger>
            <DialogContent className="sm:max-w-[425px]">
                <DialogHeader>
                    <DialogTitle>{customer ? "Müşteriyi Düzenle" : "Yeni Müşteri Ekle"}</DialogTitle>
                    <DialogDescription>
                        Müşteri bilgilerini aşağıdan yönetebilirsiniz.
                    </DialogDescription>
                </DialogHeader>
                <Form {...form}>
                    <form onSubmit={form.handleSubmit(onSubmit)} className="space-y-4">
                        <FormField
                            control={form.control}
                            name="full_name"
                            render={({ field }) => (
                                <FormItem>
                                    <FormLabel>Ad Soyad</FormLabel>
                                    <FormControl>
                                        <Input placeholder="Ad Soyad" {...field} />
                                    </FormControl>
                                    <FormMessage />
                                </FormItem>
                            )}
                        />
                        <FormField
                            control={form.control}
                            name="email"
                            render={({ field }) => (
                                <FormItem>
                                    <FormLabel>E-Posta</FormLabel>
                                    <FormControl>
                                        <Input placeholder="ornek@site.com" {...field} />
                                    </FormControl>
                                    <FormMessage />
                                </FormItem>
                            )}
                        />
                        <FormField
                            control={form.control}
                            name="phone"
                            render={({ field }) => (
                                <FormItem>
                                    <FormLabel>Telefon</FormLabel>
                                    <FormControl>
                                        <Input placeholder="0555..." {...field} />
                                    </FormControl>
                                    <FormMessage />
                                </FormItem>
                            )}
                        />
                        <FormField
                            control={form.control}
                            name="address"
                            render={({ field }) => (
                                <FormItem>
                                    <FormLabel>Adres</FormLabel>
                                    <FormControl>
                                        <Textarea placeholder="Adres..." {...field} />
                                    </FormControl>
                                    <FormMessage />
                                </FormItem>
                            )}
                        />
                        <FormField
                            control={form.control}
                            name="notes"
                            render={({ field }) => (
                                <FormItem>
                                    <FormLabel>Özel Notlar</FormLabel>
                                    <FormControl>
                                        <Textarea placeholder="Notlar..." {...field} />
                                    </FormControl>
                                    <FormMessage />
                                </FormItem>
                            )}
                        />
                        <DialogFooter>
                            <Button type="submit" disabled={loading}>
                                {loading && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
                                Kaydet
                            </Button>
                        </DialogFooter>
                    </form>
                </Form>
            </DialogContent>
        </Dialog>
    )
}