import type { ChangeEvent, FC, FormEvent } from 'react'
import { useEffect, useState } from 'react'
import React, { useCallback } from 'react'
import { useTranslation } from 'react-i18next'
import {
  RiPlayLargeLine,
} from '@remixicon/react'
import Select from '@/app/components/base/select'
import type { SiteInfo } from '@/models/share'
import type { PromptConfig } from '@/models/debug'
import Button from '@/app/components/base/button'
import Textarea from '@/app/components/base/textarea'
import Input from '@/app/components/base/input'
import { DEFAULT_VALUE_MAX_LEN } from '@/config'
import TextGenerationImageUploader from '@/app/components/base/image-uploader/text-generation-image-uploader'
import type { VisionFile, VisionSettings } from '@/types/app'
import { FileUploaderInAttachmentWrapper } from '@/app/components/base/file-uploader'
import { getProcessedFiles } from '@/app/components/base/file-uploader/utils'
import useBreakpoints, { MediaType } from '@/hooks/use-breakpoints'
import cn from '@/utils/classnames'
import BoolInput from '@/app/components/workflow/nodes/_base/components/before-run-form/bool-input'
import CodeEditor from '@/app/components/workflow/nodes/_base/components/editor/code-editor'
import { CodeLanguage } from '@/app/components/workflow/nodes/code/types'

export type IRunOnceProps = {
  siteInfo: SiteInfo
  promptConfig: PromptConfig
  inputs: Record<string, any>
  inputsRef: React.RefObject<Record<string, any>>
  onInputsChange: (inputs: Record<string, any>) => void
  onSend: () => void
  visionConfig: VisionSettings
  onVisionFilesChange: (files: VisionFile[]) => void
}
const RunOnce: FC<IRunOnceProps> = ({
  promptConfig,
  inputs,
  inputsRef,
  onInputsChange,
  onSend,
  visionConfig,
  onVisionFilesChange,
}) => {
  const { t } = useTranslation()
  const media = useBreakpoints()
  const isPC = media === MediaType.pc
  const [isInitialized, setIsInitialized] = useState(false)

  const onClear = () => {
    const newInputs: Record<string, any> = {}
    promptConfig.prompt_variables.forEach((item) => {
      if (item.type === 'string' || item.type === 'paragraph')
        newInputs[item.key] = ''
      else
        newInputs[item.key] = undefined
    })
    onInputsChange(newInputs)
  }

  const onSubmit = (e: FormEvent<HTMLFormElement>) => {
    e.preventDefault()
    onSend()
  }

  const handleInputsChange = useCallback((newInputs: Record<string, any>) => {
    onInputsChange(newInputs)
    inputsRef.current = newInputs
  }, [onInputsChange, inputsRef])

  useEffect(() => {
    if (isInitialized) return
    const newInputs: Record<string, any> = {}
    promptConfig.prompt_variables.forEach((item) => {
      if (item.type === 'select')
        newInputs[item.key] = item.default
      else if (item.type === 'string' || item.type === 'paragraph')
        newInputs[item.key] = item.default || ''
      else if (item.type === 'number')
        newInputs[item.key] = item.default
      else if (item.type === 'file')
        newInputs[item.key] = item.default
      else if (item.type === 'file-list')
        newInputs[item.key] = item.default || []
      else
        newInputs[item.key] = undefined
    })
    onInputsChange(newInputs)
    setIsInitialized(true)
  }, [promptConfig.prompt_variables, onInputsChange])

  return (
    <div className="">
      <section>
        {/* input form */}
        <form onSubmit={onSubmit}>
          {(inputs === null || inputs === undefined || Object.keys(inputs).length === 0) || !isInitialized ? null
            : promptConfig.prompt_variables.map(item => (
              <div className='mt-4 w-full' key={item.key}>
                {item.type !== 'boolean' && (
                  <label className='system-md-semibold flex h-6 items-center text-text-secondary'>{item.name}</label>
                )}
                <div className='mt-1'>
                  {item.type === 'select' && (
                    <Select
                      className='w-full'
                      defaultValue={inputs[item.key]}
                      onSelect={(i) => { handleInputsChange({ ...inputsRef.current, [item.key]: i.value }) }}
                      items={(item.options || []).map(i => ({ name: i, value: i }))}
                      allowSearch={false}
                    />
                  )}
                  {item.type === 'string' && (
                    <Input
                      type="text"
                      placeholder={`${item.name}${!item.required ? `(${t('appDebug.variableTable.optional')})` : ''}`}
                      value={inputs[item.key]}
                      onChange={(e: ChangeEvent<HTMLInputElement>) => { handleInputsChange({ ...inputsRef.current, [item.key]: e.target.value }) }}
                      maxLength={item.max_length || DEFAULT_VALUE_MAX_LEN}
                    />
                  )}
                  {item.type === 'paragraph' && (
                    <Textarea
                      className='h-[104px] sm:text-xs'
                      placeholder={`${item.name}${!item.required ? `(${t('appDebug.variableTable.optional')})` : ''}`}
                      value={inputs[item.key]}
                      onChange={(e: ChangeEvent<HTMLTextAreaElement>) => { handleInputsChange({ ...inputsRef.current, [item.key]: e.target.value }) }}
                    />
                  )}
                  {item.type === 'number' && (
                    <Input
                      type="number"
                      placeholder={`${item.name}${!item.required ? `(${t('appDebug.variableTable.optional')})` : ''}`}
                      value={inputs[item.key]}
                      onChange={(e: ChangeEvent<HTMLInputElement>) => { handleInputsChange({ ...inputsRef.current, [item.key]: e.target.value }) }}
                    />
                  )}
                  {item.type === 'boolean' && (
                    <BoolInput
                      name={item.name || item.key}
                      value={!!inputs[item.key]}
                      required={item.required}
                      onChange={(value) => { handleInputsChange({ ...inputsRef.current, [item.key]: value }) }}
                    />
                  )}
                  {item.type === 'file' && (
                    <FileUploaderInAttachmentWrapper
                      value={inputs[item.key] ? [inputs[item.key]] : []}
                      onChange={(files) => { handleInputsChange({ ...inputsRef.current, [item.key]: getProcessedFiles(files)[0] }) }}
                      fileConfig={{
                        ...item.config,
                        fileUploadConfig: (visionConfig as any).fileUploadConfig,
                      }}
                    />
                  )}
                  {item.type === 'file-list' && (
                    <FileUploaderInAttachmentWrapper
                      value={inputs[item.key]}
                      onChange={(files) => { handleInputsChange({ ...inputsRef.current, [item.key]: getProcessedFiles(files) }) }}
                      fileConfig={{
                        ...item.config,
                        fileUploadConfig: (visionConfig as any).fileUploadConfig,
                      }}
                    />
                  )}
                  {item.type === 'json_object' && (
                    <CodeEditor
                      language={CodeLanguage.json}
                      value={inputs[item.key]}
                      onChange={(value) => { handleInputsChange({ ...inputsRef.current, [item.key]: value }) }}
                      noWrapper
                      className='bg h-[80px] overflow-y-auto rounded-[10px] bg-components-input-bg-normal p-1'
                      placeholder={
                        <div className='whitespace-pre'>{item.json_schema}</div>
                      }
                    />
                  )}
                </div>
              </div>
            ))}
          {
            visionConfig?.enabled && (
              <div className="mt-4 w-full">
                <div className="system-md-semibold flex h-6 items-center text-text-secondary">{t('common.imageUploader.imageUpload')}</div>
                <div className='mt-1'>
                  <TextGenerationImageUploader
                    settings={visionConfig}
                    onFilesChange={files => onVisionFilesChange(files.filter(file => file.progress !== -1).map(fileItem => ({
                      type: 'image',
                      transfer_method: fileItem.type,
                      url: fileItem.url,
                      upload_file_id: fileItem.fileId,
                    })))}
                  />
                </div>
              </div>
            )
          }
          <div className='mb-3 mt-6 w-full'>
            <div className="flex items-center justify-between gap-2">
              <Button
                onClick={onClear}
                disabled={false}
              >
                <span className='text-[13px]'>{t('common.operation.clear')}</span>
              </Button>
              <Button
                className={cn(!isPC && 'grow')}
                type='submit'
                variant="primary"
                disabled={false}
              >
                <RiPlayLargeLine className="mr-1 h-4 w-4 shrink-0" aria-hidden="true" />
                <span className='text-[13px]'>{t('share.generation.run')}</span>
              </Button>
            </div>
          </div>
        </form>
      </section>
    </div>
  )
}
export default React.memo(RunOnce)
