package stacks

import (
	"errors"
	"testing"
)

// R-634 (v0.265.0) — the backstop for every caller: a stop or a start while the deploy's own
// `compose up` is running is refused BEFORE any compose command.
//
// COMPANION RED-PROOF (REPORT.md): delete the Deploying check in StopStack — the stop falls through to
// `compose down` and the error is no longer ErrStackDeploying.
func TestR634_StopAndStartRefuseADeployingStack(t *testing.T) {
	m, _, _, _ := newSlice4Manager(t)
	// NEVER a real compose: the control below falls through to `compose down`, and the stack dir is
	// named like a real app. An empty PATH + the v1 binary name guarantees the exec cannot find
	// anything to run, on any machine this test runs on.
	m.composeCmd = "docker-compose"
	t.Setenv("PATH", t.TempDir())
	m.mu.Lock()
	m.stacks["nextcloud"].Deploying = true
	m.mu.Unlock()
	if err := m.StopStack("nextcloud"); !errors.Is(err, ErrStackDeploying) {
		t.Fatalf("StopStack on a deploying stack = %v, want ErrStackDeploying", err)
	}
	if err := m.StartStack("nextcloud"); !errors.Is(err, ErrStackDeploying) {
		t.Fatalf("StartStack on a deploying stack = %v, want ErrStackDeploying", err)
	}
	// Control: once the deploy is over, the same calls are not refused for THIS reason.
	m.mu.Lock()
	m.stacks["nextcloud"].Deploying = false
	m.mu.Unlock()
	if err := m.StopStack("nextcloud"); errors.Is(err, ErrStackDeploying) {
		t.Fatal("control: a stack that is not deploying must not be refused as deploying")
	}
}