import React, { useMemo } from 'react'
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import useSWR from 'swr'
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import { useTranslation } from 'react-i18next'
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import PresetsParameter from '@/app/components/header/account-setting/model-provider-page/model-parameter-modal/presets-parameter'
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import ParameterItem from '@/app/components/header/account-setting/model-provider-page/model-parameter-modal/parameter-item'
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import Loading from '@/app/components/base/loading'
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import type {
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FormValue,
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ModelParameterRule,
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} from '@/app/components/header/account-setting/model-provider-page/declarations'
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import type { ParameterValue } from '@/app/components/header/account-setting/model-provider-page/model-parameter-modal/parameter-item'
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import { fetchModelParameterRules } from '@/service/common'
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import { TONE_LIST } from '@/config'
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import cn from '@/utils/classnames'
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const PROVIDER_WITH_PRESET_TONE = ['langgenius/openai/openai', 'langgenius/azure_openai/azure_openai']
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const stopParameterRule: ModelParameterRule = {
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default: [],
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help: {
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en_US: 'Up to four sequences where the API will stop generating further tokens. The returned text will not contain the stop sequence.',
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zh_Hans: '最多四个序列，API 将停止生成更多的 token。返回的文本将不包含停止序列。',
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},
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label: {
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en_US: 'Stop sequences',
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zh_Hans: '停止序列',
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},
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name: 'stop',
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required: false,
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type: 'tag',
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tagPlaceholder: {
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en_US: 'Enter sequence and press Tab',
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zh_Hans: '输入序列并按 Tab 键',
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},
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}
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type Props = {
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isAdvancedMode: boolean
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provider: string
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modelId: string
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completionParams: FormValue
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onCompletionParamsChange: (newParams: FormValue) => void
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}
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const LLMParamsPanel = ({
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isAdvancedMode,
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provider,
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modelId,
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completionParams,
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onCompletionParamsChange,
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}: Props) => {
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const { t } = useTranslation()
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const { data: parameterRulesData, isLoading } = useSWR(
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(provider && modelId)
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? `/workspaces/current/model-providers/${provider}/models/parameter-rules?model=${modelId}`
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: null, fetchModelParameterRules,
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)
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const parameterRules: ModelParameterRule[] = useMemo(() => {
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return parameterRulesData?.data || []
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}, [parameterRulesData])
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const handleSelectPresetParameter = (toneId: number) => {
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const tone = TONE_LIST.find(tone => tone.id === toneId)
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if (tone) {
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onCompletionParamsChange({
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...completionParams,
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...tone.config,
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})
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}
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}
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const handleParamChange = (key: string, value: ParameterValue) => {
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onCompletionParamsChange({
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...completionParams,
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[key]: value,
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})
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}
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const handleSwitch = (key: string, value: boolean, assignValue: ParameterValue) => {
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if (!value) {
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const newCompletionParams = { ...completionParams }
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delete newCompletionParams[key]
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onCompletionParamsChange(newCompletionParams)
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}
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if (value) {
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onCompletionParamsChange({
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...completionParams,
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[key]: assignValue,
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})
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}
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}
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if (isLoading) {
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return (
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<div className='mt-5'><Loading /></div>
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)
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}
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return (
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<>
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<div className='mb-2 flex items-center justify-between'>
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<div className={cn('system-sm-semibold flex h-6 items-center text-text-secondary')}>{t('common.modelProvider.parameters')}</div>
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{
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PROVIDER_WITH_PRESET_TONE.includes(provider) && (
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<PresetsParameter onSelect={handleSelectPresetParameter} />
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)
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}
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</div>
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{!!parameterRules.length && (
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[
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...parameterRules,
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...(isAdvancedMode ? [stopParameterRule] : []),
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].map(parameter => (
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<ParameterItem
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key={`${modelId}-${parameter.name}`}
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parameterRule={parameter}
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value={completionParams?.[parameter.name]}
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onChange={v => handleParamChange(parameter.name, v)}
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onSwitch={(checked, assignValue) => handleSwitch(parameter.name, checked, assignValue)}
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isInWorkflow
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/>
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)))}
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</>
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)
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}
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export default LLMParamsPanel
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