edr-platform/apps/edr-freight-web/backoffice/src/pages/bookings/BookingRequestDetailPage.tsx

import { useNavigate, useParams } from "react-router-dom";
import { ArrowLeft, FileSignature, Package } from "lucide-react";
import {
  Container,
  Stack,
  Grid,
  Center,
  Loader,
  Text,
  Paper,
  Button,
  Box,
} from "@mantine/core";

import Breadcrumbs from "@/components/ui/Breadcrumbs";
import { ApprovalStepsCard } from "@/components/bookings/ApprovalStepsCard";
import { BookingActionsToolbar } from "@/components/bookings/BookingActionsToolbar";
import { BookingPricingSummary } from "@/components/bookings/BookingPricingSummary";
import { BookingWorkflowStepper } from "@/components/bookings/BookingWorkflowStepper";
import {
  detailStyles,
  BookingRequestHero,
  BookingRouteServiceCard,
  BookingMileServicesCard,
  BookingCargoCard,
  BookingContractSummaryCard,
} from "@/components/bookings/detail";
import { getStatusMeta } from "@/features/bookings/booking-status.config";
import { toBookingListRow } from "@/features/bookings/mapBookingListRow";
import { useBookingDetail, useBookingMutations } from "@/hooks/bookings/useBookings";

export default function BookingRequestDetailPage() {
  const { id } = useParams<{ id: string }>();
  const navigate = useNavigate();
  const { data: booking, isLoading, isError, refetch, isFetching } = useBookingDetail(id);
  const mutations = useBookingMutations(id ?? "");

  if (isLoading) {
    return (
      <Box style={detailStyles.page}>
        <Center mih="60vh">
          <Stack align="center" gap="md">
            <Loader color="gray" />
            <Text size="sm" c="dimmed" fw={500}>
              Loading booking…
            </Text>
          </Stack>
        </Center>
      </Box>
    );
  }

  if (isError || !booking) {
    return (
      <Box style={detailStyles.page}>
        <Container size="sm" py="xl">
          <Paper radius="md" withBorder p="xl" ta="center" style={detailStyles.card}>
            <Center>
              <Box
                style={{
                  display: "flex",
                  alignItems: "center",
                  justifyContent: "center",
                  width: 64,
                  height: 64,
                  borderRadius: 16,
                  background: "var(--mantine-color-gray-1)",
                  color: "var(--mantine-color-gray-6)",
                }}
              >
                <Package size={32} />
              </Box>
            </Center>
            <Text fw={700} size="lg" mt="lg">
              Booking not found
            </Text>
            <Text size="sm" c="dimmed" mt={4}>
              This request may have been removed or the link is invalid.
            </Text>
            <Button
              variant="default"
              mt="lg"
              leftSection={<ArrowLeft size={16} />}
              onClick={() => navigate("/dashboard/booking-requests")}
            >
              Back to booking requests
            </Button>
          </Paper>
        </Container>
      </Box>
    );
  }

  const row = toBookingListRow(booking);
  const statusMeta = getStatusMeta(booking.status);
  const showContractButton = [
    "CONTRACT_READY",
    "SIGNED_CUSTOMER",
    "FULLY_EXECUTED",
  ].includes(booking.status);
  const showApprovalCard =
    booking.status === "PENDING_APPROVAL" ||
    booking.status === "APPROVED_PENDING_SIGNATURE";

  return (
    <Box style={detailStyles.page}>
      <Container size="xxl" py="lg">
        <Breadcrumbs
          items={[
            { label: "Booking requests", href: "/dashboard/booking-requests" },
            { label: booking.reference },
          ]}
        />

        <Stack gap="lg" mt="sm">
          <BookingRequestHero
            booking={booking}
            customerLabel={row.customerLabel}
            onBack={() => navigate("/dashboard/booking-requests")}
            onRefresh={() => refetch()}
            isFetching={isFetching}
          />

          <BookingWorkflowStepper
            status={booking.status}
            title={statusMeta.title}
            description={statusMeta.description}
            titleColor={statusMeta.color}
          />

          <Grid gutter="lg">
            {/* LEFT — primary content */}
            <Grid.Col span={{ base: 12, lg: 8 }}>
              <Stack gap="lg">
                <BookingRouteServiceCard
                  booking={booking}
                  originLabel={row.originLabel}
                  destinationLabel={row.destinationLabel}
                />
                <BookingMileServicesCard booking={booking} />
                <BookingCargoCard booking={booking} />
                {booking.contractSummary && (
                  <BookingContractSummaryCard summary={booking.contractSummary} />
                )}
              </Stack>
            </Grid.Col>

            {/* RIGHT — sticky action / summary rail */}
            <Grid.Col span={{ base: 12, lg: 4 }}>
              <Box style={{ position: "sticky", top: 24 }}>
                <Stack gap="lg">
                  <BookingPricingSummary booking={booking} />
                  <BookingActionsToolbar booking={booking} mutations={mutations} />
                  {showContractButton && (
                    <Button
                      fullWidth
                      color="green"
                      leftSection={<FileSignature size={16} />}
                      onClick={() =>
                        navigate(`/dashboard/booking-requests/${booking.id}/contract`)
                      }
                    >
                      View & sign contract
                    </Button>
                  )}
                  {showApprovalCard && (
                    <ApprovalStepsCard booking={booking} mutations={mutations} />
                  )}
                </Stack>
              </Box>
            </Grid.Col>
          </Grid>
        </Stack>
      </Container>
    </Box>
  );
}