import { ProviderAuth } from "@/provider"
import { Effect, Layer } from "effect"
import { HttpApi, HttpApiBuilder, HttpApiEndpoint, HttpApiGroup, OpenApi } from "effect/unstable/httpapi"

const root = "/provider"

export const ProviderApi = HttpApi.make("provider")
  .add(
    HttpApiGroup.make("provider")
      .add(
        HttpApiEndpoint.get("auth", `${root}/auth`, {
          success: ProviderAuth.Methods,
        }).annotateMerge(
          OpenApi.annotations({
            identifier: "provider.auth",
            summary: "Get provider auth methods",
            description: "Retrieve available authentication methods for all AI providers.",
          }),
        ),
      )
      .annotateMerge(
        OpenApi.annotations({
          title: "provider",
          description: "Experimental HttpApi provider routes.",
        }),
      ),
  )
  .annotateMerge(
    OpenApi.annotations({
      title: "opencode experimental HttpApi",
      version: "0.0.1",
      description: "Experimental HttpApi surface for selected instance routes.",
    }),
  )

export const providerHandlers = Layer.unwrap(
  Effect.gen(function* () {
    const svc = yield* ProviderAuth.Service

    const auth = Effect.fn("ProviderHttpApi.auth")(function* () {
      return yield* svc.methods()
    })

    return HttpApiBuilder.group(ProviderApi, "provider", (handlers) => handlers.handle("auth", auth))
  }),
).pipe(Layer.provide(ProviderAuth.defaultLayer))