"use client"

import { useEffect } from "react"
import { use } from "react"
import { usePathname, useRouter, useSearchParams } from "next/navigation"
import { ResourcePage } from "@/shared/data-view/resource-page"
import { ColumnHeader } from "@/shared/data-view/table-view"
import FormDialog from "@/shared/components/form-dialog"
import { AppointmentForm } from "@/modules/appointments/appointment-form"
import { APPOINTMENT_ROUTES, AppointmentStatus } from "@garage/api"
import type { AppointmentsClient } from "@garage/api"
import { CalendarCheck2Icon, ClockIcon } from "lucide-react"
import { Badge } from "@/shared/components/ui/badge"
import { useJobCard } from "@/modules/job-cards/job-card-context"
import { getFullName } from "@/shared/utils/getFullName"
import { getVehicleLabel } from "@/modules/vehicles/utils/getVehicleLabel"
import { formatEnum } from "@/shared/utils/formatters"

const STATUS_COLORS: Record<string, string> = {
    requested: "bg-yellow-100 text-yellow-800",
    confirmed: "bg-blue-100 text-blue-800",
    in_progress: "bg-purple-100 text-purple-800",
    completed: "bg-green-100 text-green-800",
    cancelled: "bg-red-100 text-red-800",
}

export default function JobCardAppointmentsPage({
    params,
}: {
    params: Promise<{ id: string }>
}) {
    const { id: jobCardId } = use(params)
    const router = useRouter()
    const pathname = usePathname()
    const searchParams = useSearchParams()
    const jobCard = useJobCard()

    useEffect(() => {
        if (searchParams.get("create") !== "1") return

        const params = new URLSearchParams(searchParams.toString())
        params.delete("create")
        params.set("dialog", "true")

        router.replace(`${pathname}?${params.toString()}`)
    }, [pathname, router, searchParams])

    const jc = jobCard as any
    const defaultJobCard = jc
        ? { value: String(jc.id), label: jc.label || jc.title || `Job Card` }
        : null

    const appointmentDefaults = jc
        ? {
              job_card_id: jc.id,
              job_card_title: jc.title || `Job Card #${jc.id}`,
              customer_id: jc.customer?.id,
              customer_name: getFullName(jc.customer),
              vehicle_id: jc.vehicle?.id,
              vehicle_name: getVehicleLabel(jc.vehicle),
              service_writer_id: jc.service_writer?.id,
              service_writer_name: getFullName(jc.service_writer),
              technician_id: jc.primary_technician?.id,
              technician_name: getFullName(jc.primary_technician),
              department_id: jc.department?.id,
              department_name: jc.department?.name,
          }
        : { job_card: defaultJobCard }

    return (
        <ResourcePage<AppointmentsClient>
            routeKey={APPOINTMENT_ROUTES.INDEX}
            searchable
            searchPlaceholder="Search appointments..."
            statusFilter={{ statuses: AppointmentStatus }}
            getClient={(api) => api.appointments}
            extraParams={{ job_card_id: jobCardId }}
            header={null}
            onRowClick={(row) => router.push(`/calendar/appointment/${(row as any).id}`)}
            tableHeader={({ invalidateQuery, selectedItem, closeDialog }) => (
                <div className="flex justify-end">
                    <FormDialog title="Appointment">
                        {(resourceId) => (
                            <AppointmentForm
                                resourceId={resourceId}
                                initialData={selectedItem ?? appointmentDefaults}
                                onSuccess={() => { closeDialog(); invalidateQuery(); router.refresh() }}
                            />
                        )}
                    </FormDialog>
                </div>
            )}
            columns={({ actionsColumn }) => [
                {
                    accessorKey: "title",
                    header: ({ column }) => <ColumnHeader column={column} title="Title" />,
                    cell: ({ row }) => (
                        <div className="flex items-center gap-2">
                            <CalendarCheck2Icon className="size-4 text-muted-foreground" />
                            <span>{(row.original as any).title}</span>
                        </div>
                    ),
                },
                {
                    accessorKey: "date",
                    header: ({ column }) => <ColumnHeader column={column} title="Date" />,
                },
                {
                    accessorKey: "from_time",
                    header: ({ column }) => <ColumnHeader column={column} title="Time" />,
                    cell: ({ row }) => {
                        const r = row.original as any
                        return (
                            <div className="flex items-center gap-1">
                                <ClockIcon className="size-3 text-muted-foreground" />
                                <span>{r.from_time} - {r.to_time}</span>
                            </div>
                        )
                    },
                },
                {
                    accessorKey: "status",
                    header: ({ column }) => <ColumnHeader column={column} title="Status" />,
                    cell: ({ row }) => {
                        const status = (row.original as any).status
                        const colorClass = STATUS_COLORS[status] ?? "bg-gray-100 text-gray-800"
                        return (
                            <Badge className={colorClass}>
                                {formatEnum(status)}
                            </Badge>
                        )
                    },
                },
                actionsColumn(),
            ]}
        />
    )
}
