package app

import (
	"os"
	"path/filepath"
	"testing"
)

func TestLoadSettingsDefaults(t *testing.T) {
	t.Setenv("XDG_CONFIG_HOME", t.TempDir())
	st, path, err := loadSettings()
	if err != nil {
		t.Fatalf("loadSettings: %v", err)
	}
	if filepath.Base(path) != "settings.json" {
		t.Fatalf("settings path = %q", path)
	}
	if !st.AutoSummary.Enabled {
		t.Fatal("auto-summary should default enabled")
	}
	if st.AutoSummary.Provider != "codex" {
		t.Fatalf("provider = %q want codex", st.AutoSummary.Provider)
	}
	if st.AutoSummary.Cadence != "1m" {
		t.Fatalf("cadence = %q want 1m", st.AutoSummary.Cadence)
	}
	if got := st.AutoSummary.modelFor("codex"); got != "gpt-5.4-mini" {
		t.Fatalf("codex model = %q", got)
	}
	if got := st.AutoSummary.modelFor("opencode"); got != "opencode-go/minimax-m2.7" {
		t.Fatalf("opencode model = %q", got)
	}
}

func TestSettingsCloneDoesNotShareModelMap(t *testing.T) {
	st := defaultSettings()
	cp := st.clone()
	cp.AutoSummary.Models["codex"] = "changed"
	if st.AutoSummary.Models["codex"] == "changed" {
		t.Fatal("clone shared Models map with original")
	}
	a := st.AutoSummary.clone()
	a.Models["opencode"] = "changed"
	if st.AutoSummary.Models["opencode"] == "changed" {
		t.Fatal("autoSummarySettings clone shared Models map with original")
	}
}

func TestSaveAndLoadSettings(t *testing.T) {
	dir := t.TempDir()
	t.Setenv("XDG_CONFIG_HOME", dir)
	st := defaultSettings()
	st.AutoSummary.Provider = "opencode"
	st.AutoSummary.Models["opencode"] = "minimax/test"
	path := filepath.Join(dir, "patterm", "settings.json")
	if err := saveSettings(path, st); err != nil {
		t.Fatalf("saveSettings: %v", err)
	}
	if _, err := os.Stat(path); err != nil {
		t.Fatalf("settings file missing: %v", err)
	}
	got, _, err := loadSettings()
	if err != nil {
		t.Fatalf("loadSettings: %v", err)
	}
	if got.AutoSummary.Provider != "opencode" {
		t.Fatalf("provider = %q", got.AutoSummary.Provider)
	}
	if got.AutoSummary.modelFor("opencode") != "minimax/test" {
		t.Fatalf("opencode model = %q", got.AutoSummary.modelFor("opencode"))
	}
}