"use client";

import { ColumnDef } from "@tanstack/react-table";
import { ArrowUpDown, MoreHorizontal, Eye, Pencil, Trash2 } from "lucide-react";
import Link from "next/link";

import { Button } from "@/components/ui/button";
import { Checkbox } from "@/components/ui/checkbox";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuLabel,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";
import { ProjectStatusBadge } from "@/components/ui/project-status-badge";
import { Project, ProjectStatus } from "@/types/project";

// Componente para la barra de progreso
function ProgressBar({ progress }: { progress: number }) {
  const getProgressColor = (value: number) => {
    if (value >= 75) return 'bg-green-500';
    if (value >= 50) return 'bg-blue-500';
    if (value >= 25) return 'bg-yellow-500';
    return 'bg-gray-400';
  };

  return (
    <div className="flex items-center gap-2">
      <div className="w-24 h-2 bg-muted rounded-full overflow-hidden">
        <div 
          className={`h-full rounded-full transition-all ${getProgressColor(progress)}`}
          style={{ width: `${Math.min(progress, 100)}%` }}
        />
      </div>
      <span className="text-sm text-muted-foreground w-10">
        {progress.toFixed(0)}%
      </span>
    </div>
  );
}

// Formateador de moneda
function formatCurrency(amount: number): string {
  return new Intl.NumberFormat('es-ES', {
    style: 'currency',
    currency: 'EUR',
    minimumFractionDigits: 0,
    maximumFractionDigits: 0,
  }).format(amount);
}

// Formateador de fecha
function formatDate(dateString: string): string {
  if (!dateString) return '-';
  try {
    return new Date(dateString).toLocaleDateString('es-ES', {
      day: '2-digit',
      month: 'short',
      year: 'numeric',
    });
  } catch {
    return '-';
  }
}

export const projectColumns: ColumnDef<Project>[] = [
  // Columna de selección
  {
    id: "select",
    header: ({ table }) => (
      <Checkbox
        checked={
          table.getIsAllPageRowsSelected() ||
          (table.getIsSomePageRowsSelected() && "indeterminate")
        }
        onCheckedChange={(value) => table.toggleAllPageRowsSelected(!!value)}
        aria-label="Seleccionar todo"
        className="translate-y-[2px]"
      />
    ),
    cell: ({ row }) => (
      <Checkbox
        checked={row.getIsSelected()}
        onCheckedChange={(value) => row.toggleSelected(!!value)}
        aria-label="Seleccionar fila"
        className="translate-y-[2px]"
      />
    ),
    enableSorting: false,
    enableHiding: false,
  },
  // Referencia
  {
    accessorKey: "ref",
    header: ({ column }) => (
      <Button
        variant="ghost"
        size="sm"
        className="-ml-3 h-8"
        onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
      >
        Referencia
        <ArrowUpDown className="ml-2 h-4 w-4" />
      </Button>
    ),
    cell: ({ row }) => (
      <span className="font-mono text-sm text-muted-foreground">
        {row.getValue("ref")}
      </span>
    ),
  },
  // Nombre del proyecto
  {
    accessorKey: "name",
    header: ({ column }) => (
      <Button
        variant="ghost"
        size="sm"
        className="-ml-3 h-8"
        onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
      >
        Nombre
        <ArrowUpDown className="ml-2 h-4 w-4" />
      </Button>
    ),
    cell: ({ row }) => (
      <div className="max-w-[250px]">
        <Link 
          href={`/proyectos/${row.original.id}`}
          className="font-medium hover:underline hover:text-primary transition-colors"
        >
          {row.getValue("name")}
        </Link>
      </div>
    ),
  },
  // Cliente
  {
    accessorKey: "client",
    header: "Cliente",
    cell: ({ row }) => (
      <span className="text-sm">
        {row.getValue("client")}
      </span>
    ),
  },
  // Estado
  {
    accessorKey: "status",
    header: "Estado",
    cell: ({ row }) => <ProjectStatusBadge status={row.getValue("status")} />,
    filterFn: (row, id, value) => {
      return value.includes(row.getValue(id));
    },
  },
  // Progreso
  {
    accessorKey: "progress",
    header: ({ column }) => (
      <Button
        variant="ghost"
        size="sm"
        className="-ml-3 h-8"
        onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
      >
        Progreso
        <ArrowUpDown className="ml-2 h-4 w-4" />
      </Button>
    ),
    cell: ({ row }) => <ProgressBar progress={row.getValue("progress")} />,
  },
  // Presupuesto
  {
    accessorKey: "budget",
    header: ({ column }) => (
      <Button
        variant="ghost"
        size="sm"
        className="-ml-3 h-8"
        onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
      >
        Presupuesto
        <ArrowUpDown className="ml-2 h-4 w-4" />
      </Button>
    ),
    cell: ({ row }) => (
      <span className="font-medium tabular-nums">
        {formatCurrency(row.getValue("budget"))}
      </span>
    ),
  },
  // Fecha inicio
  {
    accessorKey: "startDate",
    header: ({ column }) => (
      <Button
        variant="ghost"
        size="sm"
        className="-ml-3 h-8"
        onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
      >
        Inicio
        <ArrowUpDown className="ml-2 h-4 w-4" />
      </Button>
    ),
    cell: ({ row }) => (
      <span className="text-sm text-muted-foreground">
        {formatDate(row.getValue("startDate"))}
      </span>
    ),
  },
  // Fecha fin
  {
    accessorKey: "endDate",
    header: "Fin",
    cell: ({ row }) => (
      <span className="text-sm text-muted-foreground">
        {formatDate(row.getValue("endDate"))}
      </span>
    ),
  },
  // Acciones
  {
    id: "actions",
    enableHiding: false,
    cell: ({ row }) => {
      const project = row.original;

      return (
        <DropdownMenu>
          <DropdownMenuTrigger asChild>
            <Button variant="ghost" className="h-8 w-8 p-0">
              <span className="sr-only">Abrir menú</span>
              <MoreHorizontal className="h-4 w-4" />
            </Button>
          </DropdownMenuTrigger>
          <DropdownMenuContent align="end">
            <DropdownMenuLabel>Acciones</DropdownMenuLabel>
            <DropdownMenuSeparator />
            <DropdownMenuItem asChild>
              <Link href={`/proyectos/${project.id}`} className="cursor-pointer">
                <Eye className="mr-2 h-4 w-4" />
                Ver detalles
              </Link>
            </DropdownMenuItem>
            <DropdownMenuItem className="cursor-pointer">
              <Pencil className="mr-2 h-4 w-4" />
              Editar
            </DropdownMenuItem>
            <DropdownMenuSeparator />
            <DropdownMenuItem className="cursor-pointer text-destructive focus:text-destructive">
              <Trash2 className="mr-2 h-4 w-4" />
              Eliminar
            </DropdownMenuItem>
          </DropdownMenuContent>
        </DropdownMenu>
      );
    },
  },
];