import { useId, useState } from 'react'
import { useTranslation } from 'react-i18next'

import { Dialog } from '@/components/dialog'
import { Button } from '@/components/ui/button'
import { Label } from '@/components/ui/label'
import { RadioGroup, RadioGroupItem } from '@/components/ui/radio-group'
import { Switch } from '@/components/ui/switch'

import type { RoutingPolicy } from '../types'

type Props = {
  policy: RoutingPolicy
  onSave: (policy: RoutingPolicy) => void
  onClose: () => void
}

export function AutomaticRoutingSettings(props: Props) {
  const { t } = useTranslation()
  const id = useId()
  const [preference, setPreference] = useState(
    props.policy.auto_preference ?? 'cost'
  )
  const [allowDegraded, setAllowDegraded] = useState(
    props.policy.allow_degraded ?? false
  )
  const [skipNonAstra, setSkipNonAstra] = useState(
    props.policy.skip_degraded_non_astra ?? false
  )
  return (
    <Dialog
      open
      onOpenChange={(open) => {
        if (!open) props.onClose()
      }}
      title={t('Automatic group settings')}
      description={t(
        'Automatically choose from all groups you can access that support the requested model.'
      )}
      footer={
        <>
          <Button type='button' variant='outline' onClick={props.onClose}>
            {t('Cancel')}
          </Button>
          <Button
            type='button'
            onClick={() => {
              props.onSave({
                ...props.policy,
                auto_preference: preference,
                allow_degraded: allowDegraded,
                skip_degraded_non_astra: skipNonAstra,
              })
              props.onClose()
            }}
          >
            {t('Save')}
          </Button>
        </>
      }
    >
      <div className='space-y-5'>
        <RadioGroup
          value={preference}
          aria-label={t('Routing preference')}
          onValueChange={(value) => {
            if (value === 'cost' || value === 'speed' || value === 'stable') {
              setPreference(value)
            }
          }}
        >
          <Label
            htmlFor={`${id}-cost`}
            className='flex cursor-pointer items-start gap-3 rounded-lg border p-4'
          >
            <RadioGroupItem id={`${id}-cost`} value='cost' />
            <span>
              <span className='block font-medium'>{t('Low cost first')}</span>
              <span className='text-muted-foreground mt-1 block text-xs'>
                {t(
                  'Prefer your lowest effective group multiplier, including personal overrides.'
                )}
              </span>
            </span>
          </Label>
          <Label
            htmlFor={`${id}-speed`}
            className='flex cursor-pointer items-start gap-3 rounded-lg border p-4'
          >
            <RadioGroupItem id={`${id}-speed`} value='speed' />
            <span>
              <span className='block font-medium'>
                {t('Fast response first')}
              </span>
              <span className='text-muted-foreground mt-1 block text-xs'>
                {t(
                  'Prefer recent streaming model-test results: latest valid first-token time per channel within 1 hour, averaged across the group. Untested groups rank last.'
                )}
              </span>
            </span>
          </Label>
          <Label
            htmlFor={`${id}-stable`}
            className='flex cursor-pointer items-start gap-3 rounded-lg border p-4'
          >
            <RadioGroupItem id={`${id}-stable`} value='stable' />
            <span>
              <span className='block font-medium'>{t('Stability first')}</span>
              <span className='text-muted-foreground mt-1 block text-xs'>
                {t(
                  'Prefer the highest recent request success rate for this model.'
                )}
              </span>
            </span>
          </Label>
        </RadioGroup>
        <div className='flex items-center justify-between gap-4 rounded-lg border p-4'>
          <div className='space-y-1'>
            <Label htmlFor={`${id}-degraded`}>
              {t('Skip suspected degraded groups')}
            </Label>
            <p className='text-muted-foreground text-xs'>
              {t(
                'Enabled by default for gpt-6-astra. Keep the last valid fingerprint and pelican conclusions until recovery or reset. Failed checks do not clear them.'
              )}
            </p>
          </div>
          <Switch
            id={`${id}-degraded`}
            checked={!allowDegraded}
            onCheckedChange={(checked) => setAllowDegraded(!checked)}
          />
        </div>
        <div className='flex items-center justify-between gap-4 rounded-lg border p-4'>
          <div className='space-y-1'>
            <Label htmlFor={`${id}-non-astra`}>
              {t('Skip non-Astra requests too')}
            </Label>
            <p className='text-muted-foreground text-xs'>
              {t(
                'Uses the group Astra fingerprint and pelican checks; other models have not been individually tested. Off by default.'
              )}
            </p>
          </div>
          <Switch
            id={`${id}-non-astra`}
            checked={skipNonAstra}
            disabled={allowDegraded}
            onCheckedChange={setSkipNonAstra}
          />
        </div>
        <p className='text-muted-foreground text-xs'>
          {t(
            'Speed uses recent streaming model tests; stability uses request statistics. Price uses effective multipliers.'
          )}
        </p>
        <p className='text-muted-foreground text-xs'>
          {t('Settings take effect after saving the API key.')}
        </p>
      </div>
    </Dialog>
  )
}