'use client'

import type { Dependency, PluginCategoryEnum, PluginDeclaration } from '../../types'
import { cn } from '@langgenius/dify-ui/cn'
import { Dialog, DialogCloseButton, DialogContent } from '@langgenius/dify-ui/dialog'
import * as React from 'react'
import { useCallback, useState } from 'react'
import { useTranslation } from 'react-i18next'
import useGetIcon from '@/app/components/plugins/install-plugin/base/use-get-icon'
import { InstallStep } from '../../types'
import useHideLogic from '../hooks/use-hide-logic'
import ReadyToInstallBundle from '../install-bundle/ready-to-install'
import ReadyToInstallPackage from './ready-to-install'
import Uploading from './steps/uploading'

const i18nPrefix = 'installModal'

type InstallFromLocalPackageProps = {
  file: File
  installContextCategory?: PluginCategoryEnum
  onSuccess: () => void
  onClose: () => void
}

const InstallFromLocalPackage: React.FC<InstallFromLocalPackageProps> = ({
  file,
  installContextCategory,
  onClose,
}) => {
  const { t } = useTranslation()
  // uploading -> !uploadFailed -> readyToInstall -> installed/failed
  const [step, setStep] = useState<InstallStep>(InstallStep.uploading)
  const [uniqueIdentifier, setUniqueIdentifier] = useState<string | null>(null)
  const [manifest, setManifest] = useState<PluginDeclaration | null>(null)
  const [errorMsg, setErrorMsg] = useState<string | null>(null)
  const isBundle = file.name.endsWith('.difybndl')
  const [dependencies, setDependencies] = useState<Dependency[]>([])

  const { modalClassName, foldAnimInto, setIsInstalling, handleStartToInstall } =
    useHideLogic(onClose)

  const getTitle = useCallback(() => {
    if (step === InstallStep.uploadFailed)
      return t(($) => $[`${i18nPrefix}.uploadFailed`], { ns: 'plugin' })
    if (isBundle && step === InstallStep.installed)
      return t(($) => $[`${i18nPrefix}.installedSuccessfully`], { ns: 'plugin' })
    if (step === InstallStep.installed)
      return t(($) => $[`${i18nPrefix}.installedSuccessfully`], { ns: 'plugin' })
    if (step === InstallStep.installFailed)
      return t(($) => $[`${i18nPrefix}.installFailed`], { ns: 'plugin' })

    return t(($) => $[`${i18nPrefix}.installPlugin`], { ns: 'plugin' })
  }, [isBundle, step, t])

  const { getIconUrl } = useGetIcon()

  const handlePackageUploaded = useCallback(
    async (result: { uniqueIdentifier: string; manifest: PluginDeclaration }) => {
      const { manifest, uniqueIdentifier } = result
      const icon = await getIconUrl(manifest!.icon)
      const iconDark = manifest.icon_dark ? await getIconUrl(manifest.icon_dark) : undefined
      setUniqueIdentifier(uniqueIdentifier)
      setManifest({
        ...manifest,
        icon,
        icon_dark: iconDark,
      })
      setStep(InstallStep.readyToInstall)
    },
    [getIconUrl],
  )

  const handleBundleUploaded = useCallback((result: Dependency[]) => {
    setDependencies(result)
    setStep(InstallStep.readyToInstall)
  }, [])

  const handleUploadFail = useCallback((errorMsg: string) => {
    setErrorMsg(errorMsg)
    setStep(InstallStep.uploadFailed)
  }, [])

  return (
    <Dialog
      open
      onOpenChange={(open) => {
        if (!open) foldAnimInto()
      }}
    >
      <DialogContent
        backdropProps={{ forceRender: true }}
        className={cn(
          'w-[560px] max-w-none! overflow-hidden! text-left align-middle',
          cn(
            modalClassName,
            'shadows-shadow-xl flex max-h-[calc(100dvh-48px)] min-w-[560px] flex-col items-start rounded-2xl border-[0.5px] border-components-panel-border bg-components-panel-bg p-0',
          ),
        )}
      >
        <DialogCloseButton />

        <div className="flex items-start gap-2 self-stretch pt-6 pr-14 pb-3 pl-6">
          <div className="self-stretch title-2xl-semi-bold text-text-primary">{getTitle()}</div>
        </div>
        {step === InstallStep.uploading && (
          <Uploading
            isBundle={isBundle}
            file={file}
            onCancel={onClose}
            onPackageUploaded={handlePackageUploaded}
            onBundleUploaded={handleBundleUploaded}
            onFailed={handleUploadFail}
          />
        )}
        {isBundle ? (
          <ReadyToInstallBundle
            step={step}
            onStepChange={setStep}
            onStartToInstall={handleStartToInstall}
            setIsInstalling={setIsInstalling}
            onClose={onClose}
            allPlugins={dependencies}
          />
        ) : (
          <ReadyToInstallPackage
            step={step}
            onStepChange={setStep}
            onStartToInstall={handleStartToInstall}
            setIsInstalling={setIsInstalling}
            onClose={onClose}
            uniqueIdentifier={uniqueIdentifier}
            manifest={manifest}
            errorMsg={errorMsg}
            installContextCategory={installContextCategory}
            onError={setErrorMsg}
          />
        )}
      </DialogContent>
    </Dialog>
  )
}

export default InstallFromLocalPackage
