import { SaleRecord } from "@/types/sales";
import {
  Dialog,
  DialogContent,
  DialogHeader,
  DialogTitle,
} from "@/components/ui/dialog";
import {
  Table,
  TableBody,
  TableCell,
  TableFooter,
  TableHead,
  TableHeader,
  TableRow,
} from "@/components/ui/table";
import { Banknote, CreditCard } from "lucide-react";
import { buildEndOfDayReport } from "@/lib/reporting";

interface SalesReportProps {
  open: boolean;
  onClose: () => void;
  sales: SaleRecord[];
  onClearSales: () => void | Promise<void>;
}

const SalesReport = ({
  open,
  onClose,
  sales,
  onClearSales,
}: SalesReportProps) => {
  const report = buildEndOfDayReport(sales);
  const grandTotal = report.totalSales + report.totalTax;

  return (
    <Dialog open={open} onOpenChange={onClose}>
      <DialogContent className="max-h-[85vh] overflow-y-auto border-border bg-card sm:max-w-4xl">
        <DialogHeader>
          <DialogTitle className="text-lg font-extrabold text-foreground">
            End of Day Report
          </DialogTitle>
          <p className="text-sm text-muted-foreground">
            Business date: {report.businessDate}
          </p>
        </DialogHeader>

        <div className="grid grid-cols-3 gap-3">
          <div className="rounded-xl border border-border bg-background p-3 text-center">
            <p className="text-xs font-semibold text-muted-foreground">
              Grand Total
            </p>
            <p className="font-mono text-xl font-extrabold text-foreground">
              ${grandTotal.toFixed(2)}
            </p>
            <p className="text-xs text-muted-foreground">
              {report.totalTransactions} transactions
            </p>
          </div>
          <div className="rounded-xl border border-success/20 bg-success/10 p-3 text-center">
            <div className="mb-1 flex items-center justify-center gap-1">
              <Banknote className="h-4 w-4 text-success" />
              <p className="text-xs font-semibold text-muted-foreground">Cash</p>
            </div>
            <p className="font-mono text-xl font-extrabold text-foreground">
              ${report.cashTotal.toFixed(2)}
            </p>
          </div>
          <div className="rounded-xl border border-primary/20 bg-primary/10 p-3 text-center">
            <div className="mb-1 flex items-center justify-center gap-1">
              <CreditCard className="h-4 w-4 text-primary" />
              <p className="text-xs font-semibold text-muted-foreground">
                Credit
              </p>
            </div>
            <p className="font-mono text-xl font-extrabold text-foreground">
              ${report.creditTotal.toFixed(2)}
            </p>
          </div>
        </div>

        <div className="grid grid-cols-2 gap-3">
          <div className="rounded-xl border border-border bg-background p-3 text-center">
            <p className="text-xs font-semibold text-muted-foreground">
              Pre-Tax Sales
            </p>
            <p className="font-mono text-lg font-extrabold text-foreground">
              ${report.totalSales.toFixed(2)}
            </p>
          </div>
          <div className="rounded-xl border border-border bg-background p-3 text-center">
            <p className="text-xs font-semibold text-muted-foreground">
              Total Tax Collected
            </p>
            <p className="font-mono text-lg font-extrabold text-foreground">
              ${report.totalTax.toFixed(2)}
            </p>
          </div>
        </div>

        {report.categoryBreakdown.length > 0 ? (
          <div className="overflow-hidden rounded-xl border border-border">
            <Table>
              <TableHeader>
                <TableRow className="bg-secondary/50">
                  <TableHead className="text-xs font-bold">Category</TableHead>
                  <TableHead className="text-right text-xs font-bold">
                    Cash Sales
                  </TableHead>
                  <TableHead className="text-right text-xs font-bold">
                    Cash Tax
                  </TableHead>
                  <TableHead className="text-right text-xs font-bold">
                    Credit Sales
                  </TableHead>
                  <TableHead className="text-right text-xs font-bold">
                    Credit Tax
                  </TableHead>
                  <TableHead className="text-right text-xs font-bold">
                    Grand Total
                  </TableHead>
                </TableRow>
              </TableHeader>
              <TableBody>
                {report.categoryBreakdown.map((entry) => (
                  <TableRow key={entry.category}>
                    <TableCell className="text-sm font-semibold">
                      {entry.category}
                    </TableCell>
                    <TableCell className="text-right font-mono text-sm">
                      ${entry.cashSales.toFixed(2)}
                    </TableCell>
                    <TableCell className="text-right font-mono text-sm">
                      ${entry.cashTax.toFixed(2)}
                    </TableCell>
                    <TableCell className="text-right font-mono text-sm">
                      ${entry.creditSales.toFixed(2)}
                    </TableCell>
                    <TableCell className="text-right font-mono text-sm">
                      ${entry.creditTax.toFixed(2)}
                    </TableCell>
                    <TableCell className="text-right font-mono text-sm font-bold">
                      ${entry.grandTotal.toFixed(2)}
                    </TableCell>
                  </TableRow>
                ))}
              </TableBody>
              <TableFooter>
                <TableRow>
                  <TableCell className="text-sm font-bold">Total</TableCell>
                  <TableCell className="text-right font-mono text-sm font-bold">
                    $
                    {report.categoryBreakdown
                      .reduce((sum, row) => sum + row.cashSales, 0)
                      .toFixed(2)}
                  </TableCell>
                  <TableCell className="text-right font-mono text-sm font-bold">
                    $
                    {report.categoryBreakdown
                      .reduce((sum, row) => sum + row.cashTax, 0)
                      .toFixed(2)}
                  </TableCell>
                  <TableCell className="text-right font-mono text-sm font-bold">
                    $
                    {report.categoryBreakdown
                      .reduce((sum, row) => sum + row.creditSales, 0)
                      .toFixed(2)}
                  </TableCell>
                  <TableCell className="text-right font-mono text-sm font-bold">
                    $
                    {report.categoryBreakdown
                      .reduce((sum, row) => sum + row.creditTax, 0)
                      .toFixed(2)}
                  </TableCell>
                  <TableCell className="text-right font-mono text-sm font-bold">
                    ${grandTotal.toFixed(2)}
                  </TableCell>
                </TableRow>
              </TableFooter>
            </Table>
          </div>
        ) : (
          <div className="py-8 text-center text-muted-foreground">
            <p className="text-sm">No sales recorded today</p>
          </div>
        )}

        <div className="grid grid-cols-2 gap-2 pt-2">
          <button
            onClick={onClose}
            className="rounded-xl bg-secondary py-3 text-sm font-bold text-secondary-foreground transition-all hover:bg-border"
          >
            Close
          </button>
          {sales.length > 0 && (
            <button
              onClick={async () => {
                if (
                  confirm("Clear all sales data for this business day?")
                ) {
                  await onClearSales();
                  onClose();
                }
              }}
              className="rounded-xl border border-destructive/20 bg-destructive/10 py-3 text-sm font-bold text-destructive transition-all hover:bg-destructive hover:text-destructive-foreground"
            >
              Clear & Start New Day
            </button>
          )}
        </div>
      </DialogContent>
    </Dialog>
  );
};

export default SalesReport;