import type { Effect } from "effect";
import { Context } from "effect";
import type { PlatformError } from "effect/PlatformError";
import type {
  LoadedCliConfig,
  LoadCliConfigOptions,
  SaveCliConfigOptions,
} from "./config-document.ts";
import type {
  CliConfigParseError,
  CliProjectEnvParseError,
  DuplicateRemoteProjectIdError,
  InvalidRemoteProjectIdError,
} from "./errors.ts";

/**
 * Every error a `load`/`loadFile`/`save` rejection can carry: this package's
 * own tagged failures (a malformed config document, a duplicate or
 * malformed `[remotes.*]` block, a malformed `.env`/`.env.local` file) plus
 * `PlatformError`, the single tagged wrapper Effect's `FileSystem` service
 * uses for every host/OS failure (`effect/PlatformError`). A Promise-based
 * consumer (`@supabase/config/io`) can distinguish these via `instanceof`.
 */
type CliConfigStoreError =
  | CliConfigParseError
  | DuplicateRemoteProjectIdError
  | InvalidRemoteProjectIdError
  | CliProjectEnvParseError
  | PlatformError;

interface CliConfigStoreShape {
  readonly load: (
    cwd: string,
    options?: LoadCliConfigOptions,
  ) => Effect.Effect<LoadedCliConfig | null, CliConfigStoreError>;
  readonly loadFile: (path: string) => Effect.Effect<LoadedCliConfig, CliConfigStoreError>;
  readonly save: (
    options: SaveCliConfigOptions,
  ) => Effect.Effect<LoadedCliConfig, CliConfigStoreError>;
}

export class CliConfigStore extends Context.Service<CliConfigStore, CliConfigStoreShape>()(
  "@supabase/config/CliConfigStore",
) {}