import React from 'react';
import { YStack } from '@tamagui/stacks';
import { SizableText as Text } from '@tamagui/text';
import { MobileSheet } from './Sheet';
import { CTAButton } from './Primitives';
import { useAdminTheme } from '../theme';

type Translator = any;

type LegalConsentSheetProps = {
  open: boolean;
  onClose: () => void;
  onConfirm: (consents: { acceptedTerms: boolean; acceptedWaiver: boolean }) => Promise<void> | void;
  busy?: boolean;
  requireTerms?: boolean;
  requireWaiver?: boolean;
  copy?: {
    title?: string;
    description?: string;
    checkboxTerms?: string;
    checkboxWaiver?: string;
    errorTerms?: string;
    errorWaiver?: string;
    confirm?: string;
    cancel?: string;
  };
  t: Translator;
};

export function LegalConsentSheet({
  open,
  onClose,
  onConfirm,
  busy = false,
  requireTerms = true,
  requireWaiver = true,
  copy,
  t,
}: LegalConsentSheetProps) {
  const { primary, border, surface, danger, text } = useAdminTheme();
  const [acceptedTerms, setAcceptedTerms] = React.useState(false);
  const [acceptedWaiver, setAcceptedWaiver] = React.useState(false);
  const [error, setError] = React.useState<string | null>(null);
  const checkboxStyle = {
    marginTop: 4,
    width: 18,
    height: 18,
    accentColor: primary,
    backgroundColor: surface,
    border: `1px solid ${border}`,
    borderRadius: 4,
    appearance: 'auto',
    WebkitAppearance: 'auto',
  } as any;

  React.useEffect(() => {
    if (open) {
      setAcceptedTerms(false);
      setAcceptedWaiver(false);
      setError(null);
    }
  }, [open]);

  async function handleConfirm() {
    if (requireTerms && !acceptedTerms) {
      setError(copy?.errorTerms ?? t('events.legalConsent.errorTerms', 'Please confirm the terms.'));
      return;
    }

    if (requireWaiver && !acceptedWaiver) {
      setError(copy?.errorWaiver ?? t('events.legalConsent.errorWaiver', 'Please confirm the waiver.'));
      return;
    }

    setError(null);
    await onConfirm({
      acceptedTerms: requireTerms ? acceptedTerms : true,
      acceptedWaiver: requireWaiver ? acceptedWaiver : true,
    });
  }

  return (
    <MobileSheet
      open={open}
      onClose={onClose}
      title={copy?.title ?? t('events.legalConsent.title', 'Before purchase')}
      footer={
        <YStack space="$2">
          {error ? (
            <Text fontSize="$sm" color={danger}>
              {error}
            </Text>
          ) : null}
          <CTAButton
            label={copy?.confirm ?? t('events.legalConsent.confirm', 'Continue to checkout')}
            onPress={handleConfirm}
            loading={busy}
            disabled={busy}
          />
          <CTAButton
            label={copy?.cancel ?? t('events.legalConsent.cancel', 'Cancel')}
            tone="ghost"
            onPress={onClose}
            disabled={busy}
          />
        </YStack>
      }
    >
      <YStack space="$2">
        <Text fontSize="$sm" color={text}>
          {copy?.description ?? t('events.legalConsent.description', 'Please confirm the legal notes before buying an add-on.')}
        </Text>
        {requireTerms ? (
          <label style={{ display: 'flex', alignItems: 'flex-start', gap: 12 }}>
            <input
              type="checkbox"
              checked={acceptedTerms}
              onChange={(event) => setAcceptedTerms(event.target.checked)}
              style={checkboxStyle}
            />
            <Text fontSize="$sm" color={text}>
              {copy?.checkboxTerms ?? t(
                'events.legalConsent.checkboxTerms',
                'I have read and accept the Terms & Conditions, Privacy Policy, and Right of Withdrawal.',
              )}
            </Text>
          </label>
        ) : null}
        {requireWaiver ? (
          <label style={{ display: 'flex', alignItems: 'flex-start', gap: 12 }}>
            <input
              type="checkbox"
              checked={acceptedWaiver}
              onChange={(event) => setAcceptedWaiver(event.target.checked)}
              style={checkboxStyle}
            />
            <Text fontSize="$sm" color={text}>
              {copy?.checkboxWaiver ?? t(
                'events.legalConsent.checkboxWaiver',
                'I expressly request immediate provision of the digital service and understand my right of withdrawal expires once fulfilled.',
              )}
            </Text>
          </label>
        ) : null}
      </YStack>
    </MobileSheet>
  );
}