import { Config, ConfigProvider, Context, Effect, Layer } from "effect"
import { ConfigService } from "@/effect/config-service"

export class Service extends ConfigService.Service<Service>()("@opencode/RuntimeFlags", {
  pure: Config.boolean("OPENCODE_PURE").pipe(Config.withDefault(false)),
  disableDefaultPlugins: Config.boolean("OPENCODE_DISABLE_DEFAULT_PLUGINS").pipe(Config.withDefault(false)),
}) {}

export type Info = Context.Service.Shape<typeof Service>

const emptyConfigLayer = Service.defaultLayer.pipe(
  Layer.provide(ConfigProvider.layer(ConfigProvider.fromUnknown({}))),
  Layer.orDie,
)

export const layer = (overrides: Partial<Info> = {}) =>
  Layer.effect(
    Service,
    Effect.gen(function* () {
      const flags = yield* Service
      return Service.of({ ...flags, ...overrides })
    }),
  ).pipe(Layer.provide(emptyConfigLayer))

export const defaultLayer = Service.defaultLayer.pipe(Layer.orDie)

export * as RuntimeFlags from "./runtime-flags"