import * as React from 'react'
import { useEffect, useRef, useState } from 'react'
import {
  type AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
  logEvent,
} from 'src/services/analytics/index.js'
import { ConfigurableShortcutHint } from '../../components/ConfigurableShortcutHint.js'
import { Byline, KeyboardShortcutHint } from '@anthropic/ink'
import { Spinner } from '../../components/Spinner.js'
import TextInput from '../../components/TextInput.js'
import { Box, Text } from '@anthropic/ink'
import { toError } from '../../utils/errors.js'
import { logError } from '../../utils/log.js'
import { clearAllCaches } from '../../utils/plugins/cacheUtils.js'
import {
  addMarketplaceSource,
  saveMarketplaceToSettings,
} from '../../utils/plugins/marketplaceManager.js'
import { parseMarketplaceInput } from '../../utils/plugins/parseMarketplaceInput.js'
import type { ViewState } from './types.js'

type Props = {
  inputValue: string
  setInputValue: (value: string) => void
  cursorOffset: number
  setCursorOffset: (offset: number) => void
  error: string | null
  setError: (error: string | null) => void
  result: string | null
  setResult: (result: string | null) => void
  setViewState: (state: ViewState) => void
  onAddComplete?: () => void | Promise<void>
  cliMode?: boolean
}

export function AddMarketplace({
  inputValue,
  setInputValue,
  cursorOffset,
  setCursorOffset,
  error,
  setError,
  result,
  setResult,
  setViewState,
  onAddComplete,
  cliMode = false,
}: Props): React.ReactNode {
  const hasAttemptedAutoAdd = useRef(false)
  const [isLoading, setLoading] = useState(false)
  const [progressMessage, setProgressMessage] = useState<string>('')

  const handleAdd = async () => {
    const input = inputValue.trim()
    if (!input) {
      setError('Please enter a marketplace source')
      return
    }

    const parsed = await parseMarketplaceInput(input)
    if (!parsed) {
      setError(
        'Invalid marketplace source format. Try: owner/repo, https://..., or ./path',
      )
      return
    }

    // Check if parseMarketplaceInput returned an error
    if ('error' in parsed) {
      setError(parsed.error)
      return
    }

    setError(null)

    try {
      setLoading(true)
      setProgressMessage('')
      const { name, resolvedSource } = await addMarketplaceSource(
        parsed,
        message => {
          setProgressMessage(message)
        },
      )
      saveMarketplaceToSettings(name, { source: resolvedSource })
      clearAllCaches()

      let sourceType = parsed.source
      if (parsed.source === 'github') {
        sourceType =
          parsed.repo as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS
      }

      logEvent('tengu_marketplace_added', {
        source_type:
          sourceType as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
      })

      if (onAddComplete) {
        await onAddComplete()
      }

      setProgressMessage('')
      setLoading(false)

      if (cliMode) {
        // In CLI mode, set result to trigger completion
        setResult(`Successfully added marketplace: ${name}`)
      } else {
        // In interactive mode, switch to browse view
        setViewState({ type: 'browse-marketplace', targetMarketplace: name })
      }
    } catch (err) {
      const error = toError(err)
      logError(error)
      setError(error.message)
      setProgressMessage('')
      setLoading(false)

      if (cliMode) {
        // In CLI mode, set result with error to trigger completion
        setResult(`Error: ${error.message}`)
      } else {
        setResult(null)
      }
    }
  }

  // Auto-add if inputValue is provided
  useEffect(() => {
    if (inputValue && !hasAttemptedAutoAdd.current && !error && !result) {
      hasAttemptedAutoAdd.current = true
      void handleAdd()
    }
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, []) // Only run once on mount

  return (
    <Box flexDirection="column">
      <Box flexDirection="column" paddingX={1} borderStyle="round">
        <Box marginBottom={1}>
          <Text bold>Add Marketplace</Text>
        </Box>
        <Box flexDirection="column">
          <Text>Enter marketplace source:</Text>
          <Text dimColor>Examples:</Text>
          <Text dimColor> · owner/repo (GitHub)</Text>
          <Text dimColor> · git@github.com:owner/repo.git (SSH)</Text>
          <Text dimColor> · https://example.com/marketplace.json</Text>
          <Text dimColor> · ./path/to/marketplace</Text>
          <Box marginTop={1}>
            <TextInput
              value={inputValue}
              onChange={setInputValue}
              onSubmit={handleAdd}
              columns={80}
              cursorOffset={cursorOffset}
              onChangeCursorOffset={setCursorOffset}
              focus
              showCursor
            />
          </Box>
        </Box>
        {isLoading && (
          <Box marginTop={1}>
            <Spinner />
            <Text>
              {progressMessage || 'Adding marketplace to configuration…'}
            </Text>
          </Box>
        )}
        {error && (
          <Box marginTop={1}>
            <Text color="error">{error}</Text>
          </Box>
        )}
        {result && (
          <Box marginTop={1}>
            <Text>{result}</Text>
          </Box>
        )}
      </Box>
      <Box marginLeft={3}>
        <Text dimColor italic>
          <Byline>
            <KeyboardShortcutHint shortcut="Enter" action="add" />
            <ConfigurableShortcutHint
              action="confirm:no"
              context="Settings"
              fallback="Esc"
              description="cancel"
            />
          </Byline>
        </Text>
      </Box>
    </Box>
  )
}