import { readDir } from '@tauri-apps/plugin-fs';
import { useState } from 'react';
import { openWorkspaceFromSyncDir } from '../commands/openWorkspaceFromSyncDir';
import { Banner } from './core/Banner';
import { Button } from './core/Button';
import { Checkbox } from './core/Checkbox';
import { VStack } from './core/Stacks';
import { SelectFile } from './SelectFile';

export interface SyncToFilesystemSettingProps {
  onChange: (args: { filePath: string | null; initGit?: boolean }) => void;
  onCreateNewWorkspace: () => void;
  value: { filePath: string | null; initGit?: boolean };
  forceOpen?: boolean;
}

export function SyncToFilesystemSetting({
  onChange,
  onCreateNewWorkspace,
  value,
  forceOpen,
}: SyncToFilesystemSettingProps) {
  const [isNonEmpty, setIsNonEmpty] = useState<string | null>(null);
  return (
    <details open={forceOpen || !!value.filePath} className="w-full">
      <summary>Data directory</summary>
      <VStack className="my-2" space={3}>
        {isNonEmpty ? (
          <Banner color="notice" className="flex flex-col gap-1.5">
            <p>The selected directory must be empty. Did you want to open it instead?</p>
            <div>
              <Button
                variant="border"
                color="notice"
                size="xs"
                type="button"
                onClick={() => {
                  openWorkspaceFromSyncDir.mutate(isNonEmpty);
                  onCreateNewWorkspace();
                }}
              >
                Open Workspace
              </Button>
            </div>
          </Banner>
        ) : !value.filePath ? (
          <Banner color="info">
            Sync data to a folder for backup and Git integration.
          </Banner>
        ) : null}

        <SelectFile
          directory
          size="xs"
          noun="Directory"
          filePath={value.filePath}
          onChange={async ({ filePath }) => {
            if (filePath != null) {
              const files = await readDir(filePath);
              if (files.length > 0) {
                setIsNonEmpty(filePath);
                return;
              }
            }

            setIsNonEmpty(null);
            onChange({ ...value, filePath });
          }}
        />

        {value.filePath && typeof value.initGit === 'boolean' && (
          <Checkbox
            checked={value.initGit}
            onChange={(initGit) => onChange({ ...value, initGit })}
            title="Initialize Git Repo"
          />
        )}
      </VStack>
    </details>
  );
}