"use client";

import Link from "next/link";
import type { Column, ColumnDef } from "@tanstack/react-table";
import { Icons } from "@/components/icons";
import { Badge } from "@/components/ui/badge";
import { DataTableColumnHeader } from "@/components/ui/table/data-table-column-header";
import { formatDate } from "@/lib/date-format";
import { formatNumber } from "@/lib/number-format";
import type { LeadReferenceData, LeadSummary } from "../api/types";
import { LeadCellAction } from "./lead-cell-action";

export function getLeadColumns({
  referenceData,
  canUpdate,
  canDelete,
  canAssign,
}: {
  referenceData: LeadReferenceData;
  canUpdate: boolean;
  canDelete: boolean;
  canAssign: boolean;
}): ColumnDef<LeadSummary>[] {
  return [
    {
      id: "code",
      accessorKey: "code",
      header: ({ column }: { column: Column<LeadSummary, unknown> }) => (
        <DataTableColumnHeader column={column} title="Lead Code" />
      ),
      cell: ({ row }) => (
        <div className="flex flex-col">
          <Link
            href={`/dashboard/crm/leads/${row.original.id}`}
            className="font-medium hover:underline"
          >
            {row.original.code}
          </Link>
          <span className="text-muted-foreground text-xs">
            {row.original.customerName ?? "-"}
          </span>
        </div>
      ),
      meta: {
        label: "Lead Code",
        placeholder: "Search leads...",
        variant: "text" as const,
        icon: Icons.search,
      },
      enableColumnFilter: true,
    },
    {
      id: "status",
      accessorFn: (row) => row.status,
      header: ({ column }: { column: Column<LeadSummary, unknown> }) => (
        <DataTableColumnHeader column={column} title="Document Status" />
      ),
      cell: ({ row }) => (
        <Badge variant="outline">
          {row.original.statusLabel ?? row.original.status}
        </Badge>
      ),
      meta: {
        label: "Document Status",
        variant: "select" as const,
        options: referenceData.statuses.map((item) => ({
          label: item.label,
          value: item.id,
        })),
      },
      enableColumnFilter: true,
    },
    {
      id: "process_status",
      accessorFn: (row) => row.status,
      header: ({ column }: { column: Column<LeadSummary, unknown> }) => (
        <DataTableColumnHeader column={column} title="Process Status" />
      ),
      cell: ({ row }) => (
        <Badge variant="outline">
          {row.original.statusLabel ?? row.original.status}
        </Badge>
      ),
      meta: {
        label: "Process Status",
        variant: "select" as const,
        options: referenceData.statuses.map((item) => ({
          label: item.label,
          value: item.id,
        })),
      },
      enableColumnFilter: true,
    },
    {
      id: "branchId",
      accessorFn: (row) => row.branchId ?? "",
      header: ({ column }: { column: Column<LeadSummary, unknown> }) => (
        <DataTableColumnHeader column={column} title="Branch" />
      ),
      cell: ({ row }) => {
        const branch = referenceData.branches.find(
          (item) => item.id === row.original.branchId,
        );
        return <span>{branch?.name ?? "-"}</span>;
      },
      meta: {
        label: "Branch",
        variant: "select" as const,
        options: referenceData.branches.map((item) => ({
          label: item.name,
          value: item.id,
        })),
      },
      enableColumnFilter: true,
    },
    {
      id: "customerId",
      accessorFn: (row) => row.customerId ?? "",
      header: ({ column }: { column: Column<LeadSummary, unknown> }) => (
        <DataTableColumnHeader column={column} title="Customer" />
      ),
      cell: ({ row }) => <span>{row.original.customerName ?? "-"}</span>,
      meta: {
        label: "Customer",
        variant: "select" as const,
        options: referenceData.customers.map((item) => ({
          label: `${item.name} (${item.code})`,
          value: item.id,
        })),
      },
      enableColumnFilter: true,
    },
    {
      id: "projectName",
      accessorKey: "projectName",
      header: ({ column }: { column: Column<LeadSummary, unknown> }) => (
        <DataTableColumnHeader column={column} title="Project" />
      ),
      cell: ({ row }) => <span>{row.original.projectName ?? "-"}</span>,
    },
    {
      id: "priority",
      accessorFn: (row) => row.priority ?? "",
      header: ({ column }: { column: Column<LeadSummary, unknown> }) => (
        <DataTableColumnHeader column={column} title="Priority" />
      ),
      cell: ({ row }) => <span>{row.original.priority ?? "-"}</span>,
    },
    {
      id: "suggestedSalesOwner",
      accessorFn: (row) => row.suggestedSalesOwnerId ?? "",
      header: ({ column }: { column: Column<LeadSummary, unknown> }) => (
        <DataTableColumnHeader column={column} title="Suggested Owner" />
      ),
      cell: ({ row }) => (
        <span>{row.original.suggestedSalesOwnerName ?? "-"}</span>
      ),
    },
    {
      id: "assignedSalesOwner",
      accessorFn: (row) => row.assignedSalesOwnerId ?? "",
      header: ({ column }: { column: Column<LeadSummary, unknown> }) => (
        <DataTableColumnHeader column={column} title="Assigned Owner" />
      ),
      cell: ({ row }) => (
        <span>{row.original.assignedSalesOwnerName ?? "-"}</span>
      ),
    },
    {
      id: "estimatedValue",
      accessorKey: "estimatedValue",
      header: ({ column }: { column: Column<LeadSummary, unknown> }) => (
        <DataTableColumnHeader column={column} title="Estimated Value" />
      ),
      cell: ({ row }) => (
        <span>
          {row.original.estimatedValue !== null
            ? formatNumber(row.original.estimatedValue)
            : "-"}
        </span>
      ),
    },
    {
      id: "createdAt",
      accessorKey: "createdAt",
      header: ({ column }: { column: Column<LeadSummary, unknown> }) => (
        <DataTableColumnHeader column={column} title="Created" />
      ),
      cell: ({ row }) => <span>{formatDate(row.original.createdAt)}</span>,
    },
    {
      id: "actions",
      cell: ({ row }) => (
        <LeadCellAction
          data={row.original}
          referenceData={referenceData}
          canUpdate={canUpdate}
          canDelete={canDelete}
          canAssign={canAssign}
        />
      ),
    },
  ];
}