import * as NodeServices from "@effect/platform-node/NodeServices";import { DEFAULT_SERVER_SETTINGS, ServerSettingsPatch } from "@t3tools/contracts";import { assert, it } from "@effect/vitest";import { Effect, FileSystem, Layer, Schema } from "effect";import { ServerConfig } from "./config";import { ServerSettingsLive, ServerSettingsService } from "./serverSettings"; const makeServerSettingsLayer = () =>  ServerSettingsLive.pipe(    Layer.provideMerge(      Layer.fresh(        ServerConfig.layerTest(process.cwd(), {          prefix: "t3code-server-settings-test-",        }),      ),    ),  ); it.layer(NodeServices.layer)("server settings", (it) => {  it.effect("decodes nested settings patches", () =>    Effect.sync(() => {      const decodePatch = Schema.decodeUnknownSync(ServerSettingsPatch);       assert.deepEqual(decodePatch({ providers: { codex: { binaryPath: "/tmp/codex" } } }), {        providers: { codex: { binaryPath: "/tmp/codex" } },      });       assert.deepEqual(        decodePatch({          textGenerationModelSelection: {            options: {              fastMode: false,            },          },        }),        {          textGenerationModelSelection: {            options: {              fastMode: false,            },          },        },      );    }),  );   it.effect("deep merges nested settings updates without dropping siblings", () =>    Effect.gen(function* () {      const serverSettings = yield* ServerSettingsService;       yield* serverSettings.updateSettings({        providers: {          codex: {            binaryPath: "/usr/local/bin/codex",            homePath: "/Users/julius/.codex",          },          claudeAgent: {            binaryPath: "/usr/local/bin/claude",            customModels: ["claude-custom"],          },        },        textGenerationModelSelection: {          provider: "codex",          model: DEFAULT_SERVER_SETTINGS.textGenerationModelSelection.model,          options: {            reasoningEffort: "high",            fastMode: true,          },        },      });       const next = yield* serverSettings.updateSettings({        providers: {          codex: {            binaryPath: "/opt/homebrew/bin/codex",          },        },        textGenerationModelSelection: {          options: {            fastMode: false,          },        },      });       assert.deepEqual(next.providers.codex, {        enabled: true,        binaryPath: "/opt/homebrew/bin/codex",        homePath: "/Users/julius/.codex",        customModels: [],      });      assert.deepEqual(next.providers.claudeAgent, {        enabled: true,        binaryPath: "/usr/local/bin/claude",        customModels: ["claude-custom"],      });      assert.deepEqual(next.textGenerationModelSelection, {        provider: "codex",        model: DEFAULT_SERVER_SETTINGS.textGenerationModelSelection.model,        options: {          reasoningEffort: "high",          fastMode: false,        },      });    }).pipe(Effect.provide(makeServerSettingsLayer())),  );   it.effect("preserves model when switching providers via textGenerationModelSelection", () =>    Effect.gen(function* () {      const serverSettings = yield* ServerSettingsService;       // Start with Claude text generation selection      yield* serverSettings.updateSettings({        textGenerationModelSelection: {          provider: "claudeAgent",          model: "claude-sonnet-4-6",          options: {            effort: "high",          },        },      });       // Switch to Codex — the stale Claude "effort" in options must not      // cause the update to lose the selected model.      const next = yield* serverSettings.updateSettings({        textGenerationModelSelection: {          provider: "codex",          model: "gpt-5.4",          options: {            reasoningEffort: "high",          },        },      });       assert.deepEqual(next.textGenerationModelSelection, {        provider: "codex",        model: "gpt-5.4",        options: {          reasoningEffort: "high",        },      });    }).pipe(Effect.provide(makeServerSettingsLayer())),  );   it.effect("trims provider path settings when updates are applied", () =>    Effect.gen(function* () {      const serverSettings = yield* ServerSettingsService;       const next = yield* serverSettings.updateSettings({        providers: {          codex: {            binaryPath: "  /opt/homebrew/bin/codex  ",            homePath: "   ",          },          claudeAgent: {            binaryPath: "  /opt/homebrew/bin/claude  ",          },        },      });       assert.deepEqual(next.providers.codex, {        enabled: true,        binaryPath: "/opt/homebrew/bin/codex",        homePath: "",        customModels: [],      });      assert.deepEqual(next.providers.claudeAgent, {        enabled: true,        binaryPath: "/opt/homebrew/bin/claude",        customModels: [],      });    }).pipe(Effect.provide(makeServerSettingsLayer())),  );   it.effect("defaults blank binary paths to provider executables", () =>    Effect.gen(function* () {      const serverSettings = yield* ServerSettingsService;       const next = yield* serverSettings.updateSettings({        providers: {          codex: {            binaryPath: "   ",          },          claudeAgent: {            binaryPath: "",          },        },      });       assert.equal(next.providers.codex.binaryPath, "codex");      assert.equal(next.providers.claudeAgent.binaryPath, "claude");    }).pipe(Effect.provide(makeServerSettingsLayer())),  );   it.effect("writes only non-default server settings to disk", () =>    Effect.gen(function* () {      const serverSettings = yield* ServerSettingsService;      const serverConfig = yield* ServerConfig;      const fileSystem = yield* FileSystem.FileSystem;      const next = yield* serverSettings.updateSettings({        providers: {          codex: {            binaryPath: "/opt/homebrew/bin/codex",          },        },      });       assert.equal(next.providers.codex.binaryPath, "/opt/homebrew/bin/codex");       const raw = yield* fileSystem.readFileString(serverConfig.settingsPath);      assert.deepEqual(JSON.parse(raw), {        providers: {          codex: {            binaryPath: "/opt/homebrew/bin/codex",          },        },      });    }).pipe(Effect.provide(makeServerSettingsLayer())),  );});