import { Badge, Group, Text, Tooltip } from "@mantine/core";
import { Boxes, Container, Weight } from "lucide-react";
import type { Freight } from "@edr/types";

/**
 * Compact human summary of a shipment request's requested cargo lines — the
 * quantities the customer asked for, before GL enters the real booking cargo.
 * Container contracts read "2 × 20ft, 1 × 40ft"; bulk reads "500 t" or
 * "300 items" depending on the contract's cargo configuration.
 */
export function summarizeRequestedCargo(
  lines?: Freight.RequestedShipmentLines | null,
): string {
  if (!lines) return "—";
  const containers = (lines.containers ?? []).filter((c) => (c.quantity ?? 0) > 0);
  if (containers.length) {
    return containers.map((c) => `${c.quantity} × ${c.containerSize}`).join(", ");
  }
  if (lines.bulk) {
    if (lines.bulk.cargoWeightTons) return `${lines.bulk.cargoWeightTons} t`;
    if (lines.bulk.itemCount) return `${lines.bulk.itemCount} items`;
  }
  return "—";
}

/** Renders the requested cargo as small badges (per container type, or bulk). */
export function RequestedCargoChips({
  lines,
  size = "sm",
}: {
  lines?: Freight.RequestedShipmentLines | null;
  size?: "xs" | "sm";
}) {
  const containers = (lines?.containers ?? []).filter((c) => (c.quantity ?? 0) > 0);

  if (containers.length) {
    return (
      <Group gap={6} wrap="wrap">
        {containers.map((c, i) => {
          const flags: string[] = [];
          if ((c.hazardousQuantity ?? 0) > 0)
            flags.push(`${c.hazardousQuantity} hazardous`);
          if ((c.reeferQuantity ?? 0) > 0)
            flags.push(`${c.reeferQuantity} reefer`);
          const chip = (
            <Badge
              size={size}
              variant="light"
              color="edr-green"
              radius="sm"
              leftSection={<Container size={12} />}
            >
              {c.quantity} × {c.containerSize}
            </Badge>
          );
          return flags.length ? (
            <Tooltip key={i} label={flags.join(" · ")} withArrow>
              {chip}
            </Tooltip>
          ) : (
            <span key={i}>{chip}</span>
          );
        })}
      </Group>
    );
  }

  if (lines?.bulk && (lines.bulk.cargoWeightTons || lines.bulk.itemCount)) {
    const isWeight = Boolean(lines.bulk.cargoWeightTons);
    const value = lines.bulk.cargoWeightTons ?? lines.bulk.itemCount ?? 0;
    return (
      <Badge
        size={size}
        variant="light"
        color="edr-green"
        radius="sm"
        leftSection={isWeight ? <Weight size={12} /> : <Boxes size={12} />}
      >
        {value} {isWeight ? "t" : "items"}
      </Badge>
    );
  }

  return (
    <Text size="xs" c="dimmed">
      —
    </Text>
  );
}