package garmin

import "testing"

func TestParseAuthResult(t *testing.T) {
	cases := []struct {
		msg  string
		want AuthStatus
	}{
		{"Authenticated successfully.", AuthSuccess},
		{"MFA accepted. Authenticated successfully.", AuthSuccess},
		{"MFA required. Garmin has sent a verification code...", AuthMFARequired},
		{"Authentication failed: 401 Unauthorized (Invalid Username or Password)", AuthFailed},
		{"Authentication failed after MFA: bad code", AuthFailed},
	}
	for _, c := range cases {
		got := parseAuthResult(c.msg)
		if got.Status != c.want {
			t.Errorf("parseAuthResult(%q).Status = %v, want %v", c.msg, got.Status, c.want)
		}
	}
}

func TestMcpClient_UpdateCredentials_ResetsStartedState(t *testing.T) {
	c := &mcpClient{cfg: Config{GarminEmail: "old@example.com", GarminPassword: "old"}}
	c.started = true // simulate an already-spawned subprocess

	c.UpdateCredentials("new@example.com", "new")

	if c.cfg.GarminEmail != "new@example.com" || c.cfg.GarminPassword != "new" {
		t.Errorf("cfg after update = %+v, want new@example.com/new", c.cfg)
	}
	if c.started {
		t.Error("started should be reset to false so the next call respawns the subprocess")
	}
	if c.inner != nil {
		t.Error("inner should be cleared so ensureStarted spawns a fresh client")
	}
}