import { useEffect } from "react";
import {
  Box,
  Button,
  CircularProgress,
  Dialog,
  DialogActions,
  DialogContent,
  DialogTitle,
  Stack,
} from "@mui/material";
import { Text } from "@/components/ui/text";
import { VendorRosterConflictAlert } from "./vendor-roster-conflict-alert";
import { VendorRosterFormFields } from "./vendor-roster-form-fields";
import { VendorRosterLoadErrorAlert } from "./vendor-roster-load-error";
import { useVendorRosterForm } from "./use-vendor-roster-form";

interface VendorCreateModalProps {
  open: boolean;
  onClose: () => void;
}

export function VendorCreateModal({ open, onClose }: VendorCreateModalProps) {
  const form = useVendorRosterForm({
    mode: "create",
    onSuccess: onClose,
    startWithTechnician: true,
  });
  const { resetForm } = form;

  useEffect(() => {
    if (!open) resetForm();
  }, [open, resetForm]);

  return (
    <Dialog
      open={open}
      onClose={form.isSaving ? undefined : onClose}
      fullWidth
      maxWidth="sm"
      aria-labelledby="vendor-create-dialog-title"
      slotProps={{
        paper: {
          role: "dialog",
          sx: { maxHeight: "88vh", borderRadius: 2 },
        },
      }}
    >
      <DialogTitle id="vendor-create-dialog-title">
        <Text variant="title" as="span">
          Add Vendor
        </Text>
        <Text variant="description" tone="muted" sx={{ mt: 0.5 }}>
          Register a vendor company and its technicians.
        </Text>
      </DialogTitle>
      <DialogContent sx={{ maxHeight: "55vh" }}>
        <Stack spacing={2} className="mt-1">
          {form.loadErrorMessage !== null && (
            <VendorRosterLoadErrorAlert message={form.loadErrorMessage} onRetry={form.retryLoad} />
          )}
          {form.conflict !== null && (
            <VendorRosterConflictAlert conflict={form.conflict} onReload={form.reload} />
          )}
          <Box component="form" id="vendor-create-form" onSubmit={form.handleSubmit(form.submit)}>
            <VendorRosterFormFields
              control={form.control}
              errors={form.errors}
              companies={form.companies}
              tradeOptions={form.trades}
              tradeOptionsLoading={form.tradesLoading}
              selectedCompanyId={form.selectedCompanyId}
              onSelectCompany={form.selectCompany}
              onClearSelectedCompany={form.clearSelectedCompany}
            />
          </Box>
        </Stack>
      </DialogContent>
      <DialogActions>
        <Button onClick={onClose} disabled={form.isSaving}>
          Cancel
        </Button>
        <Button
          color="primary"
          variant="contained"
          type="submit"
          form="vendor-create-form"
          disabled={form.isSaving}
        >
          {form.isSaving ? <CircularProgress size={20} color="inherit" /> : "Add Vendor"}
        </Button>
      </DialogActions>
    </Dialog>
  );
}