package launch

import (
	"bytes"
	"fmt"
	"io"
	"net/http"
	"net/http/httptest"
	"os"
	"path/filepath"
	"slices"
	"strings"
	"sync/atomic"
	"testing"

	"github.com/google/go-cmp/cmp"
	"github.com/ollama/ollama/api"
	"github.com/ollama/ollama/cmd/config"
	"github.com/ollama/ollama/internal/proxy"
	"github.com/spf13/cobra"
)

func captureStderr(t *testing.T, fn func()) string {
	t.Helper()

	oldStderr := os.Stderr
	r, w, err := os.Pipe()
	if err != nil {
		t.Fatalf("failed to create stderr pipe: %v", err)
	}
	os.Stderr = w
	defer func() {
		os.Stderr = oldStderr
	}()

	done := make(chan string, 1)
	go func() {
		var buf bytes.Buffer
		_, _ = io.Copy(&buf, r)
		done <- buf.String()
	}()

	fn()

	_ = w.Close()
	return <-done
}

func TestLaunchCmd(t *testing.T) {
	mockCheck := func(cmd *cobra.Command, args []string) error {
		return nil
	}
	mockTUI := func(cmd *cobra.Command) {}
	cmd := LaunchCmd(mockCheck, mockTUI)

	t.Run("command structure", func(t *testing.T) {
		if cmd.Use != "launch [INTEGRATION] [-- [EXTRA_ARGS...]]" {
			t.Errorf("Use = %q, want %q", cmd.Use, "launch [INTEGRATION] [-- [EXTRA_ARGS...]]")
		}
		if cmd.Short == "" {
			t.Error("Short description should not be empty")
		}
		if cmd.Long == "" {
			t.Error("Long description should not be empty")
		}
		if !strings.Contains(cmd.Long, "hermes") {
			t.Error("Long description should mention hermes")
		}
		if !strings.Contains(cmd.Long, "kimi") {
			t.Error("Long description should mention kimi")
		}
	})

	t.Run("flags exist", func(t *testing.T) {
		if cmd.Flags().Lookup("model") == nil {
			t.Error("--model flag should exist")
		}
		if cmd.Flags().Lookup("config") == nil {
			t.Error("--config flag should exist")
		}
		if cmd.Flags().Lookup("restore") == nil {
			t.Error("--restore flag should exist")
		}
		if cmd.Flags().Lookup("yes") == nil {
			t.Error("--yes flag should exist")
		}
	})

	t.Run("PreRunE is set", func(t *testing.T) {
		if cmd.PreRunE == nil {
			t.Error("PreRunE should be set to checkServerHeartbeat")
		}
	})
}

func TestLaunchCmdTUICallback(t *testing.T) {
	mockCheck := func(cmd *cobra.Command, args []string) error {
		return nil
	}

	t.Run("no args calls TUI", func(t *testing.T) {
		tuiCalled := false
		mockTUI := func(cmd *cobra.Command) {
			tuiCalled = true
		}

		cmd := LaunchCmd(mockCheck, mockTUI)
		cmd.SetArgs([]string{})
		_ = cmd.Execute()

		if !tuiCalled {
			t.Error("TUI callback should be called when no args provided")
		}
	})

	t.Run("integration arg bypasses TUI", func(t *testing.T) {
		srv := httptest.NewServer(http.NotFoundHandler())
		defer srv.Close()
		t.Setenv("OLLAMA_HOST", srv.URL)

		tuiCalled := false
		mockTUI := func(cmd *cobra.Command) {
			tuiCalled = true
		}

		cmd := LaunchCmd(mockCheck, mockTUI)
		cmd.SetArgs([]string{"claude"})
		_ = cmd.Execute()

		if tuiCalled {
			t.Error("TUI callback should NOT be called when integration arg provided")
		}
	})

	t.Run("--model flag without integration returns error", func(t *testing.T) {
		tuiCalled := false
		mockTUI := func(cmd *cobra.Command) {
			tuiCalled = true
		}

		cmd := LaunchCmd(mockCheck, mockTUI)
		cmd.SetArgs([]string{"--model", "test-model"})
		err := cmd.Execute()

		if err == nil {
			t.Fatal("expected --model without an integration to fail")
		}
		if !strings.Contains(err.Error(), "require an integration name") {
			t.Fatalf("expected integration-name guidance, got %v", err)
		}
		if tuiCalled {
			t.Error("TUI callback should NOT be called when --model is provided without an integration")
		}
	})

	t.Run("--config flag without integration returns error", func(t *testing.T) {
		tuiCalled := false
		mockTUI := func(cmd *cobra.Command) {
			tuiCalled = true
		}

		cmd := LaunchCmd(mockCheck, mockTUI)
		cmd.SetArgs([]string{"--config"})
		err := cmd.Execute()

		if err == nil {
			t.Fatal("expected --config without an integration to fail")
		}
		if !strings.Contains(err.Error(), "require an integration name") {
			t.Fatalf("expected integration-name guidance, got %v", err)
		}
		if tuiCalled {
			t.Error("TUI callback should NOT be called when --config is provided without an integration")
		}
	})

	t.Run("--yes flag without integration returns error", func(t *testing.T) {
		tuiCalled := false
		mockTUI := func(cmd *cobra.Command) {
			tuiCalled = true
		}

		cmd := LaunchCmd(mockCheck, mockTUI)
		cmd.SetArgs([]string{"--yes"})
		err := cmd.Execute()

		if err == nil {
			t.Fatal("expected --yes without an integration to fail")
		}
		if !strings.Contains(err.Error(), "require an integration name") {
			t.Fatalf("expected integration-name guidance, got %v", err)
		}
		if tuiCalled {
			t.Error("TUI callback should NOT be called when --yes is provided without an integration")
		}
	})

	t.Run("extra args without integration return error", func(t *testing.T) {
		tuiCalled := false
		mockTUI := func(cmd *cobra.Command) {
			tuiCalled = true
		}

		cmd := LaunchCmd(mockCheck, mockTUI)
		cmd.SetArgs([]string{"--model", "test-model", "--", "--sandbox", "workspace-write"})
		err := cmd.Execute()

		if err == nil {
			t.Fatal("expected flags and extra args without an integration to fail")
		}
		if !strings.Contains(err.Error(), "require an integration name") {
			t.Fatalf("expected integration-name guidance, got %v", err)
		}
		if tuiCalled {
			t.Error("TUI callback should NOT be called when flags or extra args are provided without an integration")
		}
	})

	t.Run("--restore flag without integration returns error", func(t *testing.T) {
		tuiCalled := false
		mockTUI := func(cmd *cobra.Command) {
			tuiCalled = true
		}

		cmd := LaunchCmd(mockCheck, mockTUI)
		cmd.SetArgs([]string{"--restore"})
		err := cmd.Execute()

		if err == nil {
			t.Fatal("expected --restore without an integration to fail")
		}
		if !strings.Contains(err.Error(), "require an integration name") {
			t.Fatalf("expected integration-name guidance, got %v", err)
		}
		if tuiCalled {
			t.Error("TUI callback should NOT be called when --restore is provided without an integration")
		}
	})
}

func TestLaunchCmdClaudeDesktopRequiresRestore(t *testing.T) {
	for _, name := range []string{"claude-desktop", "claude-app"} {
		heartbeatCalled := false
		cmd := LaunchCmd(func(cmd *cobra.Command, args []string) error {
			heartbeatCalled = true
			return nil
		}, func(cmd *cobra.Command) {})
		cmd.SetArgs([]string{name})

		err := cmd.Execute()
		if err == nil || !strings.Contains(err.Error(), "can only be restored from the command line") {
			t.Fatalf("expected %s launch to require --restore, got %v", name, err)
		}
		if heartbeatCalled {
			t.Fatalf("expected %s to fail before checking the Ollama server heartbeat", name)
		}
	}
}

func TestLaunchCmdClaudeDesktopRestoreRemainsAvailable(t *testing.T) {
	runner := &commandRestorableRunner{}
	restore := OverrideIntegration("claude-desktop", runner)
	defer restore()

	heartbeatCalled := false
	cmd := LaunchCmd(func(cmd *cobra.Command, args []string) error {
		heartbeatCalled = true
		return nil
	}, func(cmd *cobra.Command) {})
	cmd.SetArgs([]string{"claude-desktop", "--restore"})

	if err := cmd.Execute(); err != nil {
		t.Fatalf("expected Claude Desktop restore command to succeed, got %v", err)
	}
	if !runner.restored {
		t.Fatal("expected Claude Desktop restore command to run restore")
	}
	if heartbeatCalled {
		t.Fatal("expected Claude Desktop restore to skip the Ollama server heartbeat")
	}
}

type commandRestorableRunner struct {
	launcherRestorableRunner
}

func (r *commandRestorableRunner) SkipRestoreInstallCheck() bool { return true }

func TestLaunchCmdChatGPT(t *testing.T) {
	for _, tt := range []struct {
		name        string
		args        []string
		routerReady bool
		wantOpen    int
	}{
		{name: "unavailable launch", args: []string{"chatgpt", "--model", "qwen3:8b"}},
		{name: "unavailable configure only", args: []string{"codex-app", "--model", "qwen3:8b", "--config"}},
		{name: "healthy launch", args: []string{"chatgpt", "--model", "qwen3:8b"}, routerReady: true, wantOpen: 1},
		{name: "healthy configure only", args: []string{"chatgpt", "--model", "qwen3:8b", "--config"}, routerReady: true},
		{name: "restore without server", args: []string{"chatgpt", "--restore"}, wantOpen: 1},
	} {
		t.Run(tt.name, func(t *testing.T) {
			home := t.TempDir()
			setTestHome(t, home)
			withInteractiveSession(t, false)
			withCodexAppPlatform(t, "darwin")
			t.Setenv(codexAppAutoReviewModelEnv, "")

			var routerChecks atomic.Int32
			server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				switch r.URL.Path {
				case "/":
					w.WriteHeader(http.StatusOK)
				case "/api/experimental/model-recommendations":
					fmt.Fprint(w, `{"recommendations":[]}`)
				case "/api/status":
					fmt.Fprint(w, `{"cloud":{"disabled":true}}`)
				case "/api/tags":
					fmt.Fprint(w, `{"models":[{"name":"qwen3:8b"}]}`)
				case "/api/show":
					fmt.Fprint(w, `{"capabilities":["completion","tools"],"model_info":{"general.context_length":131072}}`)
				case proxy.CodexDesktopPathPrefix + "/_health":
					routerChecks.Add(1)
					if tt.routerReady {
						fmt.Fprint(w, `{"ok":true}`)
					} else {
						http.NotFound(w, r)
					}
				default:
					http.NotFound(w, r)
				}
			}))
			defer server.Close()
			t.Setenv("OLLAMA_HOST", server.URL)

			configDir := filepath.Join(home, ".codex")
			if err := os.MkdirAll(configDir, 0o700); err != nil {
				t.Fatal(err)
			}
			original := map[string]string{
				"config.toml": "model = \"gpt-5.5\"\napproval_policy = \"on-request\"\nmodel_provider = \"openai\"\n",
				"auth.json":   `{"OPENAI_API_KEY":"test-existing-key"}`,
			}
			for name, data := range original {
				if err := os.WriteFile(filepath.Join(configDir, name), []byte(data), 0o600); err != nil {
					t.Fatal(err)
				}
			}
			restoring := slices.Contains(tt.args, "--restore")
			if restoring {
				server.Close()
				withCodexAppRouterHealth(t, func() error {
					t.Error("restore must not check ChatGPT routing")
					return fmt.Errorf("server is stopped")
				})
				if err := (&CodexApp{}).Configure("qwen3:8b"); err != nil {
					t.Fatal(err)
				}
			}

			openCalls, quitCalls := 0, 0
			withCodexAppProcessHooks(t,
				func() bool { return false },
				func() error { quitCalls++; return nil },
				func() error { openCalls++; return nil },
			)
			codexAppCanOpenID = func() bool { return true }

			client, err := api.ClientFromEnvironment()
			if err != nil {
				t.Fatal(err)
			}
			heartbeatCalled := false
			cmd := LaunchCmd(func(cmd *cobra.Command, _ []string) error {
				heartbeatCalled = true
				return client.Heartbeat(cmd.Context())
			}, nil)
			cmd.SetArgs(tt.args)
			stderr := captureStderr(t, func() { err = cmd.Execute() })

			wantHeartbeat := !restoring
			if heartbeatCalled != wantHeartbeat {
				t.Fatalf("heartbeat called = %v, want %v", heartbeatCalled, wantHeartbeat)
			}
			if tt.routerReady || restoring {
				if err != nil {
					t.Fatal(err)
				}
			} else if err == nil || !strings.Contains(err.Error(), "does not include ChatGPT routing") || !strings.Contains(err.Error(), "restart Ollama") {
				t.Fatalf("expected missing-router recovery guidance, got %v", err)
			}
			if got := strings.Contains(stderr, codexAppConfigurationSuccess); got != tt.routerReady {
				t.Fatalf("configuration success = %v, want %v; stderr=%q", got, tt.routerReady, stderr)
			}
			if tt.routerReady {
				if got := (&CodexApp{}).CurrentModel(); got != "qwen3:8b" {
					t.Fatalf("configured model = %q, want qwen3:8b", got)
				}
			} else {
				for name, want := range original {
					data, err := os.ReadFile(filepath.Join(configDir, name))
					if err != nil || string(data) != want {
						t.Fatalf("%s changed: data=%q err=%v", name, data, err)
					}
				}
				entries, err := os.ReadDir(configDir)
				if err != nil || len(entries) != len(original) {
					t.Fatalf("client files changed: entries=%v err=%v", entries, err)
				}
				if !restoring {
					if _, err := os.Stat(filepath.Join(home, ".ollama")); !os.IsNotExist(err) {
						t.Fatalf("created launcher or restore state before router check: %v", err)
					}
				}
			}
			if quitCalls != 0 || openCalls != tt.wantOpen {
				t.Fatalf("process calls = quit %d, open %d; want quit 0, open %d", quitCalls, openCalls, tt.wantOpen)
			}
			if got := routerChecks.Load(); !restoring && got != 1 {
				t.Fatalf("router health checks = %d, want 1", got)
			}
		})
	}
}

func TestLaunchCmdNilHeartbeat(t *testing.T) {
	cmd := LaunchCmd(nil, nil)
	if cmd == nil {
		t.Fatal("LaunchCmd returned nil")
	}
	if cmd.PreRunE != nil {
		t.Log("Note: PreRunE is set even when nil is passed (acceptable)")
	}
}

func TestLaunchCmdModelFlagFiltersDisabledCloudFromSavedConfig(t *testing.T) {
	tmpDir := t.TempDir()
	setLaunchTestHome(t, tmpDir)

	if err := config.SaveIntegration("stubeditor", []string{"glm-5:cloud"}); err != nil {
		t.Fatalf("failed to seed saved config: %v", err)
	}

	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/api/status":
			fmt.Fprintf(w, `{"cloud":{"disabled":true,"source":"config"}}`)
		case "/api/show":
			fmt.Fprintf(w, `{"model":"sample-model"}`)
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer srv.Close()
	t.Setenv("OLLAMA_HOST", srv.URL)

	stub := &launcherEditorRunner{}
	restore := OverrideIntegration("stubeditor", stub)
	defer restore()

	cmd := LaunchCmd(func(cmd *cobra.Command, args []string) error { return nil }, func(cmd *cobra.Command) {})
	cmd.SetArgs([]string{"stubeditor", "--model", "sample-model"})
	if err := cmd.Execute(); err != nil {
		t.Fatalf("launch command failed: %v", err)
	}

	saved, err := config.LoadIntegration("stubeditor")
	if err != nil {
		t.Fatalf("failed to reload integration config: %v", err)
	}
	if diff := cmp.Diff([]string{"sample-model"}, saved.Models); diff != "" {
		t.Fatalf("saved models mismatch (-want +got):\n%s", diff)
	}
	if diff := cmp.Diff([][]string{{"sample-model"}}, stub.edited); diff != "" {
		t.Fatalf("editor models mismatch (-want +got):\n%s", diff)
	}
	if stub.ranModel != "sample-model" {
		t.Fatalf("expected launch to run with sample-model, got %q", stub.ranModel)
	}
}

func TestLaunchCmdModelFlagClearsDisabledCloudOverride(t *testing.T) {
	tmpDir := t.TempDir()
	setLaunchTestHome(t, tmpDir)

	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/api/status":
			fmt.Fprintf(w, `{"cloud":{"disabled":true,"source":"config"}}`)
		case "/api/experimental/model-recommendations":
			fmt.Fprint(w, `{"recommendations":[]}`)
		case "/api/tags":
			fmt.Fprint(w, `{"models":[{"name":"sample-model"}]}`)
		case "/api/show":
			fmt.Fprint(w, `{"model":"sample-model"}`)
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer srv.Close()
	t.Setenv("OLLAMA_HOST", srv.URL)

	stub := &launcherSingleRunner{}
	restore := OverrideIntegration("stubapp", stub)
	defer restore()

	oldSelector := DefaultSingleSelector
	defer func() { DefaultSingleSelector = oldSelector }()

	var selectorCalls int
	var gotCurrent string
	DefaultSingleSelector = func(title string, items []SelectionItem, current string) (string, error) {
		selectorCalls++
		gotCurrent = current
		return "sample-model", nil
	}

	cmd := LaunchCmd(func(cmd *cobra.Command, args []string) error { return nil }, func(cmd *cobra.Command) {})
	cmd.SetArgs([]string{"stubapp", "--model", "glm-5:cloud"})
	stderr := captureStderr(t, func() {
		if err := cmd.Execute(); err != nil {
			t.Fatalf("launch command failed: %v", err)
		}
	})

	if selectorCalls != 1 {
		t.Fatalf("expected disabled cloud override to fall back to selector, got %d calls", selectorCalls)
	}
	if gotCurrent != "" {
		t.Fatalf("expected disabled override to be cleared before selection, got current %q", gotCurrent)
	}
	if stub.ranModel != "sample-model" {
		t.Fatalf("expected launch to run with replacement local model, got %q", stub.ranModel)
	}
	if !strings.Contains(stderr, "Warning: ignoring --model glm-5:cloud because cloud is disabled") {
		t.Fatalf("expected disabled-cloud warning, got stderr: %q", stderr)
	}

	saved, err := config.LoadIntegration("stubapp")
	if err != nil {
		t.Fatalf("failed to reload integration config: %v", err)
	}
	if diff := cmp.Diff([]string{"sample-model"}, saved.Models); diff != "" {
		t.Fatalf("saved models mismatch (-want +got):\n%s", diff)
	}
}

func TestLaunchCmdAutodiscoveryDefaultLaunchDoesNotForceConfigure(t *testing.T) {
	tmpDir := t.TempDir()
	setLaunchTestHome(t, tmpDir)
	withInteractiveSession(t, true)
	withLauncherHooks(t)

	runner := &launcherManagedAutodiscoveryRunner{
		autodiscoveryConfigured: true,
	}
	restore := OverrideIntegration("stubauto", runner)
	defer restore()

	if err := config.SaveIntegration("stubauto", []string{"Ollama Cloud"}); err != nil {
		t.Fatalf("failed to save managed integration config: %v", err)
	}
	if err := config.MarkIntegrationOnboarded("stubauto"); err != nil {
		t.Fatalf("failed to mark integration onboarded: %v", err)
	}

	cmd := LaunchCmd(func(cmd *cobra.Command, args []string) error { return nil }, func(cmd *cobra.Command) {
		t.Fatal("TUI callback should not run for direct integration launch")
	})
	cmd.SetArgs([]string{"stubauto"})
	if err := cmd.Execute(); err != nil {
		t.Fatalf("launch command failed: %v", err)
	}

	if runner.autodiscoveryConfigures != 0 {
		t.Fatalf("expected default autodiscovery launch to reuse existing config, got %d configures", runner.autodiscoveryConfigures)
	}
	if runner.ranModel != "Ollama Cloud" {
		t.Fatalf("expected launch to run autodiscovery label, got %q", runner.ranModel)
	}
}

func TestLaunchCmdYes_AutoConfirmsLaunchPromptPath(t *testing.T) {
	tmpDir := t.TempDir()
	setLaunchTestHome(t, tmpDir)
	withLauncherHooks(t)
	withInteractiveSession(t, false)

	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/api/show":
			fmt.Fprint(w, `{"model":"sample-model"}`)
		case "/api/status":
			w.WriteHeader(http.StatusNotFound)
			fmt.Fprint(w, `{"error":"not found"}`)
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer srv.Close()
	t.Setenv("OLLAMA_HOST", srv.URL)

	stub := &launcherEditorRunner{paths: []string{"/tmp/stubeditor.json"}}
	restore := OverrideIntegration("stubeditor", stub)
	defer restore()

	DefaultConfirmPrompt = func(prompt string, options ConfirmOptions) (bool, error) {
		t.Fatalf("unexpected prompt with --yes: %q", prompt)
		return false, nil
	}

	cmd := LaunchCmd(func(cmd *cobra.Command, args []string) error { return nil }, func(cmd *cobra.Command) {})
	cmd.SetArgs([]string{"stubeditor", "--model", "sample-model", "--yes"})
	if err := cmd.Execute(); err != nil {
		t.Fatalf("launch command with --yes failed: %v", err)
	}

	if diff := cmp.Diff([][]string{{"sample-model"}}, stub.edited); diff != "" {
		t.Fatalf("editor models mismatch (-want +got):\n%s", diff)
	}
	if stub.ranModel != "sample-model" {
		t.Fatalf("expected launch to run with sample-model, got %q", stub.ranModel)
	}
}

func TestLaunchCmdHeadlessWithYes_AutoPullsMissingLocalModel(t *testing.T) {
	tmpDir := t.TempDir()
	setLaunchTestHome(t, tmpDir)
	withLauncherHooks(t)
	withInteractiveSession(t, false)

	var pullCalled bool
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/api/show":
			w.WriteHeader(http.StatusNotFound)
			fmt.Fprint(w, `{"error":"model not found"}`)
		case "/api/pull":
			pullCalled = true
			w.WriteHeader(http.StatusOK)
			fmt.Fprint(w, `{"status":"success"}`)
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer srv.Close()
	t.Setenv("OLLAMA_HOST", srv.URL)

	stub := &launcherSingleRunner{}
	restore := OverrideIntegration("stubapp", stub)
	defer restore()

	DefaultConfirmPrompt = func(prompt string, options ConfirmOptions) (bool, error) {
		t.Fatalf("unexpected prompt with --yes in headless autopull path: %q", prompt)
		return false, nil
	}

	cmd := LaunchCmd(func(cmd *cobra.Command, args []string) error { return nil }, func(cmd *cobra.Command) {})
	cmd.SetArgs([]string{"stubapp", "--model", "missing-model", "--yes"})
	if err := cmd.Execute(); err != nil {
		t.Fatalf("launch command with --yes failed: %v", err)
	}

	if !pullCalled {
		t.Fatal("expected missing local model to be auto-pulled with --yes in headless mode")
	}
	if stub.ranModel != "missing-model" {
		t.Fatalf("expected launch to run with pulled model, got %q", stub.ranModel)
	}
}

func TestLaunchCmdHeadlessWithoutYes_AllowsConfiguredLaunch(t *testing.T) {
	tmpDir := t.TempDir()
	setLaunchTestHome(t, tmpDir)
	withLauncherHooks(t)
	withInteractiveSession(t, false)

	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/api/show":
			fmt.Fprint(w, `{"model":"sample-model"}`)
		case "/api/status":
			w.WriteHeader(http.StatusNotFound)
			fmt.Fprint(w, `{"error":"not found"}`)
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer srv.Close()
	t.Setenv("OLLAMA_HOST", srv.URL)

	stub := &launcherEditorRunner{paths: []string{"/tmp/stubeditor.json"}}
	restore := OverrideIntegration("stubeditor", stub)
	defer restore()

	DefaultConfirmPrompt = func(prompt string, options ConfirmOptions) (bool, error) {
		t.Fatalf("unexpected prompt in headless non-yes mode: %q", prompt)
		return false, nil
	}

	cmd := LaunchCmd(func(cmd *cobra.Command, args []string) error { return nil }, func(cmd *cobra.Command) {})
	cmd.SetArgs([]string{"stubeditor", "--model", "sample-model"})
	err := cmd.Execute()
	if err != nil {
		t.Fatalf("expected launch command to succeed without --yes when an explicit model is provided, got %v", err)
	}
	if diff := compareStringSlices(stub.edited, [][]string{{"sample-model"}}); diff != "" {
		t.Fatalf("unexpected editor writes (-want +got):\n%s", diff)
	}
	if stub.ranModel != "sample-model" {
		t.Fatalf("expected launch to run configured model, got %q", stub.ranModel)
	}
}

func TestLaunchCmdIntegrationArgPromptsForModelWithSavedSelection(t *testing.T) {
	tmpDir := t.TempDir()
	setLaunchTestHome(t, tmpDir)

	if err := config.SaveIntegration("stubapp", []string{"sample-model"}); err != nil {
		t.Fatalf("failed to seed saved config: %v", err)
	}

	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/api/experimental/model-recommendations":
			fmt.Fprint(w, `{"recommendations":[]}`)
		case "/api/tags":
			fmt.Fprint(w, `{"models":[{"name":"sample-model"},{"name":"qwen3:8b"}]}`)
		case "/api/show":
			fmt.Fprint(w, `{"model":"qwen3:8b"}`)
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer srv.Close()
	t.Setenv("OLLAMA_HOST", srv.URL)

	stub := &launcherSingleRunner{}
	restore := OverrideIntegration("stubapp", stub)
	defer restore()

	oldSelector := DefaultSingleSelector
	defer func() { DefaultSingleSelector = oldSelector }()

	var gotCurrent string
	DefaultSingleSelector = func(title string, items []SelectionItem, current string) (string, error) {
		gotCurrent = current
		return "qwen3:8b", nil
	}

	cmd := LaunchCmd(func(cmd *cobra.Command, args []string) error { return nil }, func(cmd *cobra.Command) {})
	cmd.SetArgs([]string{"stubapp"})
	if err := cmd.Execute(); err != nil {
		t.Fatalf("launch command failed: %v", err)
	}

	if gotCurrent != "sample-model" {
		t.Fatalf("expected selector current model to be saved model sample-model, got %q", gotCurrent)
	}
	if stub.ranModel != "qwen3:8b" {
		t.Fatalf("expected launch to run selected model qwen3:8b, got %q", stub.ranModel)
	}

	saved, err := config.LoadIntegration("stubapp")
	if err != nil {
		t.Fatalf("failed to reload integration config: %v", err)
	}
	if diff := cmp.Diff([]string{"qwen3:8b"}, saved.Models); diff != "" {
		t.Fatalf("saved models mismatch (-want +got):\n%s", diff)
	}
}

func TestLaunchCmdHeadlessYes_IntegrationRequiresModelEvenWhenSaved(t *testing.T) {
	tmpDir := t.TempDir()
	setLaunchTestHome(t, tmpDir)
	withLauncherHooks(t)
	withInteractiveSession(t, false)

	if err := config.SaveIntegration("stubapp", []string{"sample-model"}); err != nil {
		t.Fatalf("failed to seed saved config: %v", err)
	}

	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/api/show":
			fmt.Fprint(w, `{"model":"sample-model"}`)
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer srv.Close()
	t.Setenv("OLLAMA_HOST", srv.URL)

	stub := &launcherSingleRunner{}
	restore := OverrideIntegration("stubapp", stub)
	defer restore()

	oldSelector := DefaultSingleSelector
	defer func() { DefaultSingleSelector = oldSelector }()
	DefaultSingleSelector = func(title string, items []SelectionItem, current string) (string, error) {
		t.Fatal("selector should not be called for headless --yes saved-model launch")
		return "", nil
	}

	cmd := LaunchCmd(func(cmd *cobra.Command, args []string) error { return nil }, func(cmd *cobra.Command) {})
	cmd.SetArgs([]string{"stubapp", "--yes"})
	err := cmd.Execute()
	if err == nil {
		t.Fatal("expected launch command to fail when --yes is used headlessly without --model")
	}
	if !strings.Contains(err.Error(), "requires --model <model>") {
		t.Fatalf("expected actionable --model guidance, got %v", err)
	}
	if stub.ranModel != "" {
		t.Fatalf("expected launch to abort before run, got %q", stub.ranModel)
	}
}

func TestLaunchCmdHeadlessYes_IntegrationWithoutSavedModelReturnsError(t *testing.T) {
	tmpDir := t.TempDir()
	setLaunchTestHome(t, tmpDir)
	withLauncherHooks(t)
	withInteractiveSession(t, false)

	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.WriteHeader(http.StatusNotFound)
	}))
	defer srv.Close()
	t.Setenv("OLLAMA_HOST", srv.URL)

	stub := &launcherSingleRunner{}
	restore := OverrideIntegration("stubapp", stub)
	defer restore()

	oldSelector := DefaultSingleSelector
	defer func() { DefaultSingleSelector = oldSelector }()
	DefaultSingleSelector = func(title string, items []SelectionItem, current string) (string, error) {
		t.Fatal("selector should not be called for headless --yes without saved model")
		return "", nil
	}

	cmd := LaunchCmd(func(cmd *cobra.Command, args []string) error { return nil }, func(cmd *cobra.Command) {})
	cmd.SetArgs([]string{"stubapp", "--yes"})
	err := cmd.Execute()
	if err == nil {
		t.Fatal("expected launch command to fail when --yes is used headlessly without --model")
	}
	if !strings.Contains(err.Error(), "requires --model <model>") {
		t.Fatalf("expected actionable --model guidance, got %v", err)
	}
	if stub.ranModel != "" {
		t.Fatalf("expected launch to abort before run, got %q", stub.ranModel)
	}
}