import styled from '@emotion/styled';

import FieldGroup from 'sentry/components/forms/fieldGroup';
import ExternalLink from 'sentry/components/links/externalLink';
import QuestionTooltip from 'sentry/components/questionTooltip';
import {SegmentedControl} from 'sentry/components/segmentedControl';
import {t, tct} from 'sentry/locale';
import {space} from 'sentry/styles/space';
import useOrganization from 'sentry/utils/useOrganization';
import {openSamplingModeSwitchModal} from 'sentry/views/settings/dynamicSampling/samplingModeSwitchModal';
import {useHasDynamicSamplingWriteAccess} from 'sentry/views/settings/dynamicSampling/utils/access';

interface Props {
  /**
   * The initial target rate for the automatic sampling mode.
   */
  initialTargetRate?: number;
}

export function SamplingModeField({initialTargetRate}: Props) {
  const {samplingMode} = useOrganization();
  const hasAccess = useHasDynamicSamplingWriteAccess();

  const handleSwitchMode = () => {
    openSamplingModeSwitchModal({
      samplingMode: samplingMode === 'organization' ? 'project' : 'organization',
      initialTargetRate,
    });
  };

  return (
    <FieldGroup
      disabled={!hasAccess}
      label={t('Sampling Mode')}
      help={t('The current operating mode for dynamic sampling.')}
    >
      <ControlWrapper>
        <SegmentedControl
          disabled={!hasAccess}
          label={t('Sampling mode')}
          value={samplingMode}
          onChange={handleSwitchMode}
        >
          <SegmentedControl.Item key="organization" textValue={t('Automatic')}>
            <LabelWrapper>
              {t('Automatic')}
              <QuestionTooltip
                isHoverable
                size="sm"
                title={tct(
                  'Automatic mode allows you to set a target sample rate for your organization. Sentry automatically adjusts individual project rates to boost small projects and ensure equal visibility. [link:Learn more]',
                  {
                    link: (
                      <ExternalLink href="https://docs.sentry.io/product/performance/retention-priorities/" />
                    ),
                  }
                )}
              />
            </LabelWrapper>
          </SegmentedControl.Item>
          <SegmentedControl.Item key="project" textValue={t('Manual')}>
            <LabelWrapper>
              {t('Manual')}
              <QuestionTooltip
                isHoverable
                size="sm"
                title={tct(
                  'Manual mode allows you to set fixed sample rates for each project. [link:Learn more]',
                  {
                    link: (
                      <ExternalLink href="https://docs.sentry.io/product/performance/retention-priorities/" />
                    ),
                  }
                )}
              />
            </LabelWrapper>
          </SegmentedControl.Item>
        </SegmentedControl>
      </ControlWrapper>
    </FieldGroup>
  );
}

const ControlWrapper = styled('div')`
  width: max-content;
`;

const LabelWrapper = styled('div')`
  display: flex;
  align-items: center;
  gap: ${space(1)};
`;