import { IconSettings } from '@tabler/icons-react'
import debounce from 'lodash.debounce'

import {
  Sheet,
  SheetContent,
  SheetDescription,
  SheetHeader,
  SheetTitle,
  SheetTrigger,
} from '@/components/ui/sheet'
import { DynamicControllerSetting } from '@/containers/dynamicControllerSetting'
import { useModelProvider } from '@/hooks/useModelProvider'
import { stopModel } from '@/services/models'
import { cn } from '@/lib/utils'
import { useTranslation } from '@/i18n/react-i18next-compat'

type ModelSettingProps = {
  provider: ProviderObject
  model: Model
  smallIcon?: boolean
}

export function ModelSetting({
  model,
  provider,
  smallIcon,
}: ModelSettingProps) {
  const { updateProvider } = useModelProvider()
  const { t } = useTranslation()

  // Create a debounced version of stopModel that waits 500ms after the last call
  const debouncedStopModel = debounce((modelId: string) => {
    stopModel(modelId)
  }, 500)

  const handleSettingChange = (
    key: string,
    value: string | boolean | number
  ) => {
    if (!provider) return

    // Create a copy of the model with updated settings
    const updatedModel = {
      ...model,
      settings: {
        ...model.settings,
        [key]: {
          ...(model.settings?.[key] != null ? model.settings?.[key] : {}),
          controller_props: {
            ...(model.settings?.[key]?.controller_props ?? {}),
            value: value,
          },
        },
      },
    }

    // Find the model index in the provider's models array
    const modelIndex = provider.models.findIndex((m) => m.id === model.id)

    if (modelIndex !== -1) {
      // Create a copy of the provider's models array
      const updatedModels = [...provider.models]

      // Update the specific model in the array
      updatedModels[modelIndex] = updatedModel as Model

      // Update the provider with the new models array
      updateProvider(provider.provider, {
        models: updatedModels,
      })

      // Call debounced stopModel only when updating ctx_len, ngl, chat_template, or offload_mmproj
      if (key === 'ctx_len' || key === 'ngl' || key === 'chat_template' || key === 'offload_mmproj') {
        debouncedStopModel(model.id)
      }
    }
  }

  return (
    <Sheet>
      <SheetTrigger asChild>
        <div
          className={cn(
            'size-6 cursor-pointer flex items-center justify-center rounded hover:bg-main-view-fg/10 transition-all duration-200 ease-in-out',
            smallIcon && 'size-5'
          )}
        >
          <IconSettings size={18} className="text-main-view-fg/50" />
        </div>
      </SheetTrigger>
      <SheetContent className="h-[calc(100%-8px)] top-1 right-1 rounded-e-md overflow-y-auto">
        <SheetHeader>
          <SheetTitle>
            {t('common:modelSettings.title', { modelId: model.id })}
          </SheetTitle>
          <SheetDescription>
            {t('common:modelSettings.description')}
          </SheetDescription>
        </SheetHeader>
        <div className="px-4 space-y-6">
          {Object.entries(model.settings || {}).map(([key, value]) => {
            const config = value as ProviderSetting

            return (
              <div key={key} className="space-y-2">
                <div
                  className={cn(
                    'flex items-start justify-between gap-8 last:mb-2',
                    (key === 'chat_template' ||
                      key === 'override_tensor_buffer_t') &&
                      'flex-col gap-1 w-full'
                  )}
                >
                  <div className="space-y-1 mb-2">
                    <h3 className="font-medium">{config.title}</h3>
                    <p className="text-main-view-fg/70 text-xs">
                      {config.description}
                    </p>
                  </div>
                  <DynamicControllerSetting
                    key={config.key}
                    title={config.title}
                    description={config.description}
                    controllerType={config.controller_type}
                    controllerProps={{
                      ...config.controller_props,
                      value: config.controller_props?.value,
                    }}
                    onChange={(newValue) => handleSettingChange(key, newValue)}
                  />
                </div>
              </div>
            )
          })}
        </div>
      </SheetContent>
    </Sheet>
  )
}