import type { OnChangeFn, PaginationState } from "@edr/ui-common";
import { Card, Group, SimpleGrid, Stack, Text } from "@mantine/core";
import { Badge } from "@mantine/core";

import type { FleetResourceConfig } from "@/pages/fleet/config/resources";
import type { FleetRecord } from "@/services/fleet/fleet.service";

import FleetRecordActions from "./FleetRecordActions";
import { cardInitials, resolveFleetCardPresentation } from "./fleetCardMeta";
import { formatFleetCell } from "./fleetFormat";
import RuleEngineListFooter from "../ruleEngine/RuleEngineListFooter";

export interface FleetCardGridProps {
  config: FleetResourceConfig;
  rows: FleetRecord[];
  status: "loading" | "error" | "success";
  emptyMessage: string;
  pagination: PaginationState;
  pageCount: number;
  totalCount: number;
  onPaginationChange: OnChangeFn<PaginationState>;
  onEdit: (record: FleetRecord) => void;
  onRemove: (record: FleetRecord) => void;
}

const FleetCardGrid = ({
  config,
  rows,
  status,
  emptyMessage,
  pagination,
  pageCount,
  totalCount,
  onPaginationChange,
  onEdit,
  onRemove,
}: FleetCardGridProps) => {
  const presentation = resolveFleetCardPresentation(config);

  if (status === "loading") {
    return (
      <Text size="sm" c="dimmed" py="xl" ta="center">
        Loading…
      </Text>
    );
  }

  if (status === "error") {
    return (
      <Text size="sm" c="red" py="xl" ta="center">
        Failed to load data
      </Text>
    );
  }

  if (!rows.length) {
    return (
      <Text size="sm" c="dimmed" py="xl" ta="center">
        {emptyMessage}
      </Text>
    );
  }

  return (
    <Stack gap={0}>
      <SimpleGrid cols={{ base: 1, sm: 2, lg: 3 }} spacing="md" p="md">
        {rows.map((record) => {
          const title = String(
            (record as unknown as Record<string, unknown>)[presentation.titleKey] ?? config.entityLabel,
          );
          const code = presentation.codeKey
            ? (record as unknown as Record<string, unknown>)[presentation.codeKey]
            : null;
          const subtitle = presentation.subtitleKey
            ? (record as unknown as Record<string, unknown>)[presentation.subtitleKey]
            : null;
          const statusValue = presentation.statusKey
            ? (record as unknown as Record<string, unknown>)[presentation.statusKey]
            : null;

          return (
            <Card
              key={String((record as { id: string }).id)}
              radius="lg"
              padding="lg"
              withBorder
              style={{
                borderColor: "var(--mantine-color-gray-2)",
                transition: "all 200ms ease",
                cursor: "pointer",
              }}
              className="hover:shadow-md hover:border-green-3"
              onMouseEnter={(e) => {
                e.currentTarget.style.boxShadow =
                  "0 4px 12px rgba(0, 0, 0, 0.08)";
                e.currentTarget.style.borderColor =
                  "var(--mantine-color-green-3)";
              }}
              onMouseLeave={(e) => {
                e.currentTarget.style.boxShadow = "none";
                e.currentTarget.style.borderColor =
                  "var(--mantine-color-gray-2)";
              }}
            >
              <Stack gap="md">
                <Group justify="space-between" align="flex-start" wrap="nowrap">
                  <Group gap="sm" wrap="nowrap" style={{ flex: 1 }}>
                    <div
                      style={{
                        width: 48,
                        height: 48,
                        borderRadius: 12,
                        background: "linear-gradient(135deg, var(--mantine-color-green-0), var(--mantine-color-green-1))",
                        color: "var(--mantine-color-green-8)",
                        display: "flex",
                        alignItems: "center",
                        justifyContent: "center",
                        fontWeight: 700,
                        fontSize: 16,
                        flexShrink: 0,
                      }}
                    >
                      {cardInitials(title)}
                    </div>
                    <Stack gap={4} style={{ flex: 1, minWidth: 0 }}>
                      <Text fw={700} size="sm" lineClamp={1} c="dark">
                        {title || "—"}
                      </Text>
                      {subtitle != null && subtitle !== "" ? (
                        <Text size="xs" c="dimmed" lineClamp={1}>
                          {presentation.subtitleKey === "currentYard" ||
                          presentation.subtitleKey === "currentYardId"
                            ? formatFleetCell(subtitle, "entityLabel", presentation.subtitleKey)
                            : String(subtitle)}
                        </Text>
                      ) : null}
                    </Stack>
                  </Group>
                  {code != null && code !== "" ? (
                    <Badge variant="filled" color="green" size="sm" radius="md" style={{ flexShrink: 0 }}>
                      {String(code)}
                    </Badge>
                  ) : null}
                </Group>

                <Stack gap={6}>
                  {config.columns
                    .filter(
                      (col) =>
                        col.accessorKey !== presentation.titleKey &&
                        col.accessorKey !== presentation.codeKey &&
                        col.accessorKey !== presentation.statusKey,
                    )
                    .slice(0, 4)
                    .map((col) => (
                      <Group key={col.id} justify="space-between" gap="xs">
                        <Text size="xs" c="dimmed">
                          {col.header}
                        </Text>
                        <Text size="xs" fw={500}>
                          {formatFleetCell(
                            (record as unknown as Record<string, unknown>)[col.accessorKey],
                            col.format,
                            col.accessorKey,
                          )}
                        </Text>
                      </Group>
                    ))}
                  {statusValue != null ? (
                    <Group justify="space-between" gap="xs">
                      <Text size="xs" c="dimmed">
                        Status
                      </Text>
                      {formatFleetCell(statusValue, "statusBadge")}
                    </Group>
                  ) : null}
                </Stack>

                <FleetRecordActions
                  record={record}
                  config={config}
                  layout="compact"
                  onEdit={onEdit}
                  onRemove={onRemove}
                />
              </Stack>
            </Card>
          );
        })}
      </SimpleGrid>
      <RuleEngineListFooter
        pagination={pagination}
        pageCount={pageCount}
        totalCount={totalCount}
        itemLabel={config.entityLabel.toLowerCase() + "s"}
        onPaginationChange={onPaginationChange}
      />
    </Stack>
  );
};

export default FleetCardGrid;
