import { optionsResponse, notFoundResponse } from '../utils/cors'
import { handleHistory } from './history'
import { handleConfig, handleHealth } from './config'
import { handleWebMCPToken } from './webmcp'
import { handleComponents, handleComponentById, handleComponentUsage } from './components'
import { handleThemes, handleActiveTheme, handleDesignTokens, handleThemeById, handleThemeExport } from './themes'
import { handleCanvas, handleCanvasById, handleToolbarCanvas, handleDefaultCanvas, handleCanvasComponents, handleCanvasComponentById } from './canvas'
import { handleGiteaRepo, handleGiteaTree, handleGiteaFile } from './gitea'
import { handleTables, handleStats, handleTableSchema, handleTableData, handleQuery } from './database'
import { handleWhisperRoutes } from './whisper'
import { handleRecordingsRoutes } from './recordings'
import { handleClaudeStatus } from './claude-status'

export async function handleRequest(req: Request): Promise<Response> {
  const url = new URL(req.url)
  const path = url.pathname

  // CORS preflight
  if (req.method === 'OPTIONS') {
    return optionsResponse()
  }

  // Health
  if (path === '/api/health') {
    return handleHealth()
  }

  // History
  if (path === '/api/history') {
    const res = await handleHistory(req, url)
    if (res) return res
  }

  // Config
  if (path === '/api/config') {
    const res = await handleConfig(req, url)
    if (res) return res
  }

  // WebMCP Token
  if (path === '/api/webmcp-token') {
    const res = await handleWebMCPToken(req)
    if (res) return res
  }

  // Claude Code status (thinking/idle)
  if (path === '/api/claude-status') {
    const res = await handleClaudeStatus(req)
    if (res) return res
  }

  // Components
  if (path === '/api/components') {
    const res = await handleComponents(req)
    if (res) return res
  }

  // Component usage
  const componentUsageMatch = path.match(/^\/api\/components\/([^/]+)\/usage$/)
  if (componentUsageMatch && req.method === 'GET') {
    return handleComponentUsage(componentUsageMatch[1])
  }

  // Component by ID
  if (path.startsWith('/api/components/') && !path.includes('/usage')) {
    const id = path.split('/').pop()!
    const res = await handleComponentById(req, id)
    if (res) return res
  }

  // Themes
  if (path === '/api/themes') {
    const res = await handleThemes(req)
    if (res) return res
  }

  if (path === '/api/themes/active') {
    return handleActiveTheme()
  }

  if (path === '/api/design-tokens') {
    return handleDesignTokens()
  }

  // Theme export
  if (path.startsWith('/api/themes/export/')) {
    const id = path.split('/').pop()!
    if (req.method === 'GET') {
      return handleThemeExport(id)
    }
  }

  // Theme by ID
  if (path.startsWith('/api/themes/') && !path.includes('/active') && !path.includes('/export')) {
    const pathParts = path.split('/')
    const id = pathParts[3]
    const action = pathParts[4]
    const res = await handleThemeById(req, id, action)
    if (res) return res
  }

  // Canvas toolbar
  if (path === '/api/canvas/toolbar') {
    return handleToolbarCanvas()
  }

  // Canvas default
  if (path === '/api/canvas/default') {
    return handleDefaultCanvas()
  }

  // Canvas list/create
  if (path === '/api/canvas') {
    const res = await handleCanvas(req)
    if (res) return res
  }

  // Canvas components
  const canvasComponentsMatch = path.match(/^\/api\/canvas\/([^/]+)\/components\/?$/)
  if (canvasComponentsMatch) {
    const res = await handleCanvasComponents(req, canvasComponentsMatch[1])
    if (res) return res
  }

  // Canvas component by ID
  const canvasComponentMatch = path.match(/^\/api\/canvas\/([^/]+)\/components\/([^/]+)$/)
  if (canvasComponentMatch) {
    const res = await handleCanvasComponentById(req, canvasComponentMatch[1], canvasComponentMatch[2])
    if (res) return res
  }

  // Canvas by ID
  if (path.startsWith('/api/canvas/') && !path.includes('/components')) {
    const pathParts = path.split('/')
    const id = pathParts[3]
    const action = pathParts[4]
    const res = await handleCanvasById(req, id, action)
    if (res) return res
  }

  // Gitea
  if (path === '/api/gitea/repo' && req.method === 'POST') {
    return handleGiteaRepo(req)
  }

  if (path === '/api/gitea/tree' && req.method === 'POST') {
    return handleGiteaTree(req)
  }

  if (path === '/api/gitea/file' && req.method === 'POST') {
    return handleGiteaFile(req)
  }

  // Database Explorer
  if (path === '/api/database/tables') {
    return handleTables()
  }

  if (path === '/api/database/stats') {
    return handleStats()
  }

  // Table schema
  const tableSchemaMatch = path.match(/^\/api\/database\/tables\/([^/]+)\/schema$/)
  if (tableSchemaMatch && req.method === 'GET') {
    return handleTableSchema(decodeURIComponent(tableSchemaMatch[1]))
  }

  // Table data
  const tableDataMatch = path.match(/^\/api\/database\/tables\/([^/]+)\/data$/)
  if (tableDataMatch && req.method === 'GET') {
    return handleTableData(decodeURIComponent(tableDataMatch[1]), url)
  }

  // Database query
  if (path === '/api/database/query' && req.method === 'POST') {
    return handleQuery(req)
  }

  // Whisper (GPU speech-to-text)
  if (path.startsWith('/api/whisper/')) {
    const res = await handleWhisperRoutes(req)
    if (res) return res
  }

  // Voice recordings (for training custom models)
  if (path.startsWith('/api/recordings')) {
    const res = await handleRecordingsRoutes(req)
    if (res) return res
  }

  return notFoundResponse()
}