import { Context, Effect, Layer } from "effect"
import { HttpApiBuilder } from "effect/unstable/httpapi"
import { HttpMiddleware, HttpRouter, HttpServer } from "effect/unstable/http"
import * as Socket from "effect/unstable/socket/Socket"
import { Account } from "@/account/account"
import { Agent } from "@/agent/agent"
import { Auth } from "@/auth"
import { Bus } from "@/bus"
import { Config } from "@/config/config"
import { Command } from "@/command"
import * as Observability from "@opencode-ai/core/effect/observability"
import { File } from "@/file"
import { Ripgrep } from "@/file/ripgrep"
import { Format } from "@/format"
import { LSP } from "@/lsp/lsp"
import { MCP } from "@/mcp"
import { Permission } from "@/permission"
import { Installation } from "@/installation"
import { Project } from "@/project/project"
import { ProviderAuth } from "@/provider/auth"
import { Provider } from "@/provider/provider"
import { Pty } from "@/pty"
import { Question } from "@/question"
import { Session } from "@/session/session"
import { SessionCompaction } from "@/session/compaction"
import { SessionPrompt } from "@/session/prompt"
import { SessionRevert } from "@/session/revert"
import { SessionRunState } from "@/session/run-state"
import { SessionStatus } from "@/session/status"
import { SessionSummary } from "@/session/summary"
import { Todo } from "@/session/todo"
import { SessionShare } from "@/share/session"
import { Skill } from "@/skill"
import { ToolRegistry } from "@/tool/registry"
import { lazy } from "@/util/lazy"
import { Vcs } from "@/project/vcs"
import { Worktree } from "@/worktree"
import { Workspace } from "@/control-plane/workspace"
import { isAllowedCorsOrigin } from "@/server/cors"
import { InstanceHttpApi, RootHttpApi } from "./api"
import { ServerAuthConfig, authorizationLayer } from "./middleware/authorization"
import { eventRoute } from "./event"
import { configHandlers } from "./handlers/config"
import { controlHandlers } from "./handlers/control"
import { experimentalHandlers } from "./handlers/experimental"
import { fileHandlers } from "./handlers/file"
import { globalHandlers } from "./handlers/global"
import { instanceHandlers } from "./handlers/instance"
import { mcpHandlers } from "./handlers/mcp"
import { permissionHandlers } from "./handlers/permission"
import { projectHandlers } from "./handlers/project"
import { providerHandlers } from "./handlers/provider"
import { ptyConnectRoute, ptyHandlers } from "./handlers/pty"
import { questionHandlers } from "./handlers/question"
import { sessionHandlers } from "./handlers/session"
import { syncHandlers } from "./handlers/sync"
import { tuiHandlers } from "./handlers/tui"
import { workspaceHandlers } from "./handlers/workspace"
import { instanceContextLayer, instanceRouterMiddleware } from "./middleware/instance-context"
import { workspaceRouterMiddleware, workspaceRoutingLayer } from "./middleware/workspace-routing"
import { disposeMiddleware } from "./lifecycle"
import { memoMap } from "@opencode-ai/core/effect/memo-map"
import * as ServerBackend from "@/server/backend"

export const context = Context.makeUnsafe<unknown>(new Map())

const runtime = HttpRouter.middleware()(
  Effect.succeed((effect) =>
    Effect.gen(function* () {
      const selected = ServerBackend.select()
      yield* Effect.annotateCurrentSpan(ServerBackend.attributes(ServerBackend.force(selected, "effect-httpapi")))
      return yield* effect
    }),
  ),
).layer

const cors = HttpRouter.middleware(
  HttpMiddleware.cors({
    allowedOrigins: isAllowedCorsOrigin,
    maxAge: 86_400,
  }),
  { global: true },
)

const rootApiRoutes = HttpApiBuilder.layer(RootHttpApi).pipe(Layer.provide([controlHandlers, globalHandlers]))
const instanceApiRoutes = HttpApiBuilder.layer(InstanceHttpApi).pipe(
  Layer.provide([
    configHandlers,
    experimentalHandlers,
    fileHandlers,
    instanceHandlers,
    mcpHandlers,
    projectHandlers,
    ptyHandlers,
    questionHandlers,
    permissionHandlers,
    providerHandlers,
    sessionHandlers,
    syncHandlers,
    tuiHandlers,
    workspaceHandlers,
  ]),
)

const rawInstanceRoutes = Layer.mergeAll(eventRoute, ptyConnectRoute).pipe(
  Layer.provide(
    instanceRouterMiddleware
      .combine(workspaceRouterMiddleware)
      .layer.pipe(Layer.provide(Socket.layerWebSocketConstructorGlobal)),
  ),
)
const instanceRoutes = Layer.mergeAll(rawInstanceRoutes, instanceApiRoutes).pipe(
  Layer.provide([
    authorizationLayer.pipe(Layer.provide(ServerAuthConfig.defaultLayer)),
    workspaceRoutingLayer.pipe(Layer.provide(Socket.layerWebSocketConstructorGlobal)),
    instanceContextLayer,
  ]),
)

export const routes = Layer.mergeAll(rootApiRoutes, instanceRoutes).pipe(
  Layer.provide([
    cors,
    runtime,
    Account.defaultLayer,
    Agent.defaultLayer,
    Auth.defaultLayer,
    Command.defaultLayer,
    Config.defaultLayer,
    File.defaultLayer,
    Format.defaultLayer,
    LSP.defaultLayer,
    Installation.defaultLayer,
    MCP.defaultLayer,
    Permission.defaultLayer,
    Project.defaultLayer,
    ProviderAuth.defaultLayer,
    Provider.defaultLayer,
    Pty.defaultLayer,
    Question.defaultLayer,
    Ripgrep.defaultLayer,
    Session.defaultLayer,
    SessionCompaction.defaultLayer,
    SessionPrompt.defaultLayer,
    SessionRevert.defaultLayer,
    SessionShare.defaultLayer,
    SessionRunState.defaultLayer,
    SessionStatus.defaultLayer,
    SessionSummary.defaultLayer,
    Skill.defaultLayer,
    Todo.defaultLayer,
    ToolRegistry.defaultLayer,
    Vcs.defaultLayer,
    Workspace.defaultLayer,
    Worktree.defaultLayer,
    Bus.layer,
    HttpServer.layerServices,
  ]),
  Layer.provideMerge(Observability.layer),
)

export const webHandler = lazy(() =>
  HttpRouter.toWebHandler(routes, {
    memoMap,
    middleware: disposeMiddleware,
  }),
)

export * as ExperimentalHttpApiServer from "./server"