'use client'

import type { CSSProperties, ReactNode } from 'react'
import type { IntegrationSection } from '@/app/components/integrations/routes'
import type { DocPathWithoutLang } from '@/types/doc-paths'
import { cn } from '@langgenius/dify-ui/cn'
import { Collapsible, CollapsiblePanel, CollapsibleTrigger } from '@langgenius/dify-ui/collapsible'
import { ScrollArea } from '@langgenius/dify-ui/scroll-area'
import { useEffect, useState } from 'react'
import { useTranslation } from 'react-i18next'
import UpdateSettingDialog from '@/app/components/header/account-setting/update-setting-dialog'
import {
  buildIntegrationPath,
  buildMarketplaceUrlPathByIntegrationSection,
  toolCategoryBySection,
} from '@/app/components/integrations/routes'
import { useDocLink } from '@/context/i18n'
import Link from '@/next/link'
import { useRouter } from '@/next/navigation'
import { getMarketplaceUrl } from '@/utils/var'
import { STEP_BY_STEP_TOUR_TARGETS } from '../step-by-step-tour/target-registry'
import { getPluginCategoryBySection, useIntegrationNav } from './hooks/use-integration-nav'
import { useIntegrationPermissions } from './hooks/use-integration-permissions'
import { useIntegrationSection } from './hooks/use-integration-section'
import IntegrationSectionRenderer from './section-renderer'
import { IntegrationSidebarActions, IntegrationSidebarUtilityActions } from './sidebar-actions'
import { IntegrationSidebarNavItem } from './sidebar-nav-item'
import {
  integrationSidebarInactiveNavItemClassName,
  integrationSidebarNavItemClassName,
} from './sidebar-nav-item-styles'

type IntegrationsPageProps = {
  onSectionChange?: (section: IntegrationSection) => void
  onSwitchToMarketplace?: (path: string) => void
  section?: IntegrationSection
}

const headerDescriptionDocPaths = {
  provider: '/use-dify/workspace/model-providers',
  'data-source':
    '/develop-plugin/dev-guides-and-walkthroughs/datasource-plugin#data-source-plugin-types',
  builtin: '/use-dify/workspace/tools',
  'custom-tool': '/use-dify/workspace/tools#swagger-api',
  'workflow-tool': '/use-dify/workspace/tools#workflow',
  mcp: '/use-dify/workspace/tools#mcp',
  'custom-endpoint': '/develop-plugin/dev-guides-and-walkthroughs/endpoint',
  trigger: '/develop-plugin/dev-guides-and-walkthroughs/trigger-plugin',
  extension: '/use-dify/workspace/api-extension/api-extension',
  'agent-strategy': '/develop-plugin/dev-guides-and-walkthroughs/agent-strategy-plugin',
} satisfies Partial<Record<IntegrationSection, DocPathWithoutLang>>

type DescriptionWithLearnMoreProps = {
  children: ReactNode
  href: string
  label: string
}

const DescriptionWithLearnMore = ({ children, href, label }: DescriptionWithLearnMoreProps) => {
  const title = typeof children === 'string' ? children : undefined

  return (
    <span className="inline-flex min-w-0 items-center gap-0.5">
      <span className="truncate" title={title}>
        {children}
      </span>
      <Link
        className="inline-flex shrink-0 items-center text-text-accent"
        href={href}
        target="_blank"
        rel="noopener noreferrer"
      >
        {label}
        <span aria-hidden className="i-ri-external-link-line size-3" />
      </Link>
    </span>
  )
}

function ToolsDisclosureIcon({ className }: { className?: string }) {
  return (
    <svg
      aria-hidden="true"
      className={className}
      viewBox="0 0 12 14.0003"
      fill="none"
      xmlns="http://www.w3.org/2000/svg"
    >
      <path d="M8 10.0003H4V8.66693H8V10.0003Z" fill="currentColor" />
      <path
        fillRule="evenodd"
        clipRule="evenodd"
        d="M11.5814 2.43842L9.84375 5.3336H11.3333C11.7015 5.3336 12 5.63208 12 6.00027V13.3336C11.9998 13.7016 11.7014 14.0003 11.3333 14.0003H0.666667C0.298582 14.0003 0.000170884 13.7016 0 13.3336V6.00027C0 5.63208 0.298477 5.3336 0.666667 5.3336H8.28906L10.4382 1.75222L11.5814 2.43842ZM1.33333 12.6669H10.6667V6.66693H1.33333V12.6669Z"
        fill="currentColor"
      />
      <path
        d="M2.79297 1.4612C2.87822 1.2907 3.12178 1.2907 3.20703 1.4612L3.50521 2.05821C3.52758 2.10284 3.56408 2.13873 3.60872 2.16107L4.20573 2.4599C4.37584 2.54523 4.37584 2.78798 4.20573 2.87331L3.60872 3.17214C3.564 3.19452 3.52757 3.23092 3.50521 3.27566L3.20703 3.87201C3.12178 4.04251 2.87822 4.04251 2.79297 3.87201L2.49479 3.27566C2.47243 3.23092 2.436 3.19452 2.39128 3.17214L1.79427 2.87331C1.62416 2.78798 1.62416 2.54523 1.79427 2.4599L2.39128 2.16107C2.43592 2.13873 2.47242 2.10284 2.49479 2.05821L2.79297 1.4612Z"
        fill="currentColor"
      />
      <path
        d="M6.4082 0.159771C6.51476 -0.0532568 6.81858 -0.0532568 6.92513 0.159771L7.29818 0.905864C7.32618 0.96178 7.37176 1.0068 7.42773 1.03477L8.17318 1.40782C8.38631 1.51438 8.38631 1.81884 8.17318 1.9254L7.42773 2.29844C7.37177 2.32641 7.32618 2.37144 7.29818 2.42735L6.92513 3.17344C6.81858 3.38649 6.51475 3.38649 6.4082 3.17344L6.03516 2.42735C6.00715 2.37144 5.96157 2.32641 5.9056 2.29844L5.16016 1.9254C4.94702 1.81884 4.94702 1.51438 5.16016 1.40782L5.9056 1.03477C5.96157 1.0068 6.00715 0.96178 6.03516 0.905864L6.4082 0.159771Z"
        fill="currentColor"
      />
    </svg>
  )
}

export default function IntegrationsPage({
  onSectionChange,
  onSwitchToMarketplace,
  section: routeSection,
}: IntegrationsPageProps) {
  const { t } = useTranslation()
  const docLink = useDocLink()
  const router = useRouter()
  const section = useIntegrationSection(routeSection)
  const {
    canDebugger,
    canInstallPlugin,
    canDeletePlugin,
    canUpdatePlugin,
    handlePermissionChange,
    isPluginCategory,
    isReferenceSettingLoading,
    permission,
    showPermissionQuickPanel,
    showPluginCategorySetting,
  } = useIntegrationPermissions(section)
  const [providerSearchText, setProviderSearchText] = useState('')
  const showInstallAction = canInstallPlugin
  const reserveInstallActionSlot = showInstallAction || isReferenceSettingLoading
  const showUtilityActions = canDebugger || showPermissionQuickPanel
  const {
    activeItem,
    customEndpointItem,
    dataSourceItem,
    integrationHeader,
    providerItem,
    secondaryItems,
    toolItems,
  } = useIntegrationNav(section)
  const isToolSection = Boolean(toolCategoryBySection[section])
  const [isToolsExpanded, setIsToolsExpanded] = useState(isToolSection)
  useEffect(() => {
    if (!isToolSection) return undefined

    const animationFrame = window.requestAnimationFrame(() => setIsToolsExpanded(true))

    return () => window.cancelAnimationFrame(animationFrame)
  }, [isToolSection])
  const useFillLayout =
    section === 'provider' ||
    section === 'data-source' ||
    section === 'custom-endpoint' ||
    isToolSection ||
    isPluginCategory
  const scrollAreaLabel = integrationHeader?.title ?? activeItem?.label
  const sidebarWidthStyle = {
    '--integrations-sidebar-width': '200px',
    '--model-provider-warning-left': 'calc(240px + 200px)',
  } as CSSProperties &
    Record<'--integrations-sidebar-width' | '--model-provider-warning-left', string>
  const pluginSettingCategory = getPluginCategoryBySection(section)
  const pluginSettingAction =
    showPluginCategorySetting && pluginSettingCategory ? (
      <div
        data-step-by-step-tour-target={
          section === 'builtin' ? STEP_BY_STEP_TOUR_TARGETS.integrationUpdateSettings : undefined
        }
      >
        <UpdateSettingDialog category={pluginSettingCategory} />
      </div>
    ) : undefined
  const marketplaceUrlPath = buildMarketplaceUrlPathByIntegrationSection(section)
  const headerDescription =
    integrationHeader?.description ??
    (section === 'provider' ? t(($) => $['modelProvider.pageDesc'], { ns: 'common' }) : undefined)
  const headerDescriptionDocPath = headerDescriptionDocPaths[section]
  const headerDescriptionWithLink =
    headerDescription && headerDescriptionDocPath ? (
      <DescriptionWithLearnMore
        href={docLink(headerDescriptionDocPath)}
        label={t(($) => $['modelProvider.learnMore'], { ns: 'common' })}
      >
        {headerDescription}
      </DescriptionWithLearnMore>
    ) : (
      headerDescription
    )
  const handleSwitchToMarketplace = () => {
    if (onSwitchToMarketplace) {
      onSwitchToMarketplace(marketplaceUrlPath)
      return
    }

    window.open(
      getMarketplaceUrl(marketplaceUrlPath, undefined, { source: window.location.origin }),
      '_blank',
      'noopener,noreferrer',
    )
  }
  const handleSelectSection = (nextSection: IntegrationSection) => {
    if (onSectionChange) {
      onSectionChange(nextSection)
      return
    }

    router.push(buildIntegrationPath(nextSection))
  }
  const handleToolsOpenChange = (open: boolean) => {
    setIsToolsExpanded(open)
    if (open && section !== 'builtin') handleSelectSection('builtin')
  }
  const toolsNavItemClassName = cn(
    integrationSidebarNavItemClassName,
    integrationSidebarInactiveNavItemClassName,
    'group',
  )
  const toolsNavItemContent = (
    <>
      <span aria-hidden className="flex size-5 shrink-0 items-center justify-center">
        <ToolsDisclosureIcon className="h-3.5 w-3 group-hover:hidden group-focus-visible:hidden" />
        <span className="i-ri-arrow-down-s-line hidden size-4 transition-transform duration-100 ease-out group-hover:inline-block group-focus-visible:inline-block group-data-panel-open:rotate-180 motion-reduce:transition-none" />
      </span>
      <span className="min-w-0 flex-1 truncate">
        {t(($) => $['menus.tools'], { ns: 'common' })}
      </span>
    </>
  )

  return (
    <div
      className="flex h-full min-h-0 w-full flex-1 bg-components-panel-bg"
      style={sidebarWidthStyle}
    >
      <aside
        className={cn(
          'flex shrink-0 flex-col border-r border-divider-burn bg-components-panel-bg px-2 py-2 transition-[width]',
          'w-50 items-end',
        )}
        data-step-by-step-tour-target={STEP_BY_STEP_TOUR_TARGETS.integration}
      >
        <div className="flex min-h-0 w-46 flex-1 flex-col gap-0.5 pb-4">
          <div
            className={cn(
              'flex shrink-0 items-start pr-0 pl-2.5',
              reserveInstallActionSlot ? 'h-14 pt-1 pb-7' : 'mb-3 pt-1 pb-0.5',
            )}
          >
            <div className="flex h-6 min-w-0 flex-1 items-center justify-center">
              <div className="min-w-0 flex-1 title-2xl-semi-bold text-text-primary">
                {t(($) => $['settings.integrations'], { ns: 'common' })}
              </div>
            </div>
          </div>
          {showInstallAction && (
            <IntegrationSidebarActions
              canManagement={canInstallPlugin}
              installContextCategory={getPluginCategoryBySection(section)}
              onSwitchToMarketplace={handleSwitchToMarketplace}
            />
          )}
          {!showInstallAction && reserveInstallActionSlot && (
            <div aria-hidden="true" className="h-8 w-full shrink-0" />
          )}
          <nav className={cn('shrink-0 space-y-px', reserveInstallActionSlot ? 'mt-6' : 'py-4')}>
            <IntegrationSidebarNavItem
              item={providerItem}
              onSelect={onSectionChange}
              section={section}
            />
            <Collapsible open={isToolsExpanded} onOpenChange={handleToolsOpenChange}>
              <CollapsibleTrigger
                aria-label={t(($) => $['menus.tools'], { ns: 'common' })}
                className={cn(
                  toolsNavItemClassName,
                  'border-none bg-transparent data-panel-open:text-components-menu-item-text',
                )}
              >
                {toolsNavItemContent}
              </CollapsibleTrigger>
              <CollapsiblePanel className="relative space-y-px before:absolute before:top-[-1px] before:bottom-0 before:left-[17.5px] before:w-px before:bg-divider-regular">
                {toolItems.map((item) => (
                  <IntegrationSidebarNavItem
                    key={item.label}
                    item={item}
                    onSelect={onSectionChange}
                    section={section}
                  />
                ))}
              </CollapsiblePanel>
            </Collapsible>
            <IntegrationSidebarNavItem
              item={dataSourceItem}
              onSelect={onSectionChange}
              section={section}
            />
            {secondaryItems.map((item) => (
              <IntegrationSidebarNavItem
                key={item.label}
                item={item}
                onSelect={onSectionChange}
                section={section}
              />
            ))}
            <IntegrationSidebarNavItem
              item={customEndpointItem}
              onSelect={onSectionChange}
              section={section}
            />
          </nav>
        </div>
        {showUtilityActions && (
          <IntegrationSidebarUtilityActions
            canDebugger={canDebugger}
            permission={permission}
            showPermissionQuickPanel={showPermissionQuickPanel}
            onPermissionChange={handlePermissionChange}
          />
        )}
      </aside>
      <section className="flex min-w-0 flex-1 flex-col overflow-hidden">
        {useFillLayout ? (
          <div className="flex min-h-0 flex-1 flex-col overflow-hidden">
            <IntegrationSectionRenderer
              key={section}
              section={section}
              title={integrationHeader?.title ?? activeItem?.label}
              description={headerDescriptionWithLink}
              scrollAreaLabel={scrollAreaLabel}
              providerSearchText={providerSearchText}
              onProviderSearchTextChange={setProviderSearchText}
              onSwitchToMarketplace={handleSwitchToMarketplace}
              canInstallPlugin={canInstallPlugin}
              canDeletePlugin={canDeletePlugin}
              isInstallPermissionLoading={isReferenceSettingLoading}
              canUpdatePlugin={canUpdatePlugin}
              pluginCategoryToolbarAction={pluginSettingAction}
            />
          </div>
        ) : (
          <ScrollArea
            className="min-h-0 flex-1 overflow-hidden"
            label={scrollAreaLabel}
            slotClassNames={{
              viewport: 'overscroll-contain',
              content: 'min-h-full',
            }}
          >
            <IntegrationSectionRenderer
              key={section}
              section={section}
              title={integrationHeader?.title ?? activeItem?.label}
              description={headerDescriptionWithLink}
              providerSearchText={providerSearchText}
              onProviderSearchTextChange={setProviderSearchText}
              onSwitchToMarketplace={handleSwitchToMarketplace}
              canInstallPlugin={canInstallPlugin}
              canDeletePlugin={canDeletePlugin}
              isInstallPermissionLoading={isReferenceSettingLoading}
              canUpdatePlugin={canUpdatePlugin}
              pluginCategoryToolbarAction={pluginSettingAction}
            />
          </ScrollArea>
        )}
      </section>
    </div>
  )
}