package stacks

import (
	"context"
	"path/filepath"
	"testing"
	"time"
)

// R-665 + R-664 (v0.269.0) — the new version is judged by ITS OWN .felhom.yml: the catalog's, or the
// ladder step's; never the stack dir's, which a restore rewrites with the unit's older file.
//
// COMPANION RED-PROOF (REPORT): make updateHealthFor ignore metaFile (the v0.268.0 behaviour) — the probe
// port read is then the RESTORED 1111 and both cases fail.
func probePortSeen(t *testing.T, m *Manager) *int {
	t.Helper()
	port := new(int)
	m.updateHealthMetaFn = func(_ context.Context, _ string, _ time.Duration, meta *Metadata) (bool, string) {
		if meta != nil && meta.HealthCheck != nil && len(meta.HealthCheck.Checks) > 0 {
			*port = meta.HealthCheck.Checks[0].Port
		}
		return true, "fake"
	}
	return port
}

func TestR665_TheVerifyUsesTheNewVersionsOwnFile(t *testing.T) {
	m, dir, _, _ := newSlice4Manager(t)
	mustWrite(t, filepath.Join(dir, ".felhom.yml"), "healthcheck:\n  checks:\n    - type: http\n      port: 1111\n") // what a restore wrote
	mustWrite(t, m.CatalogTemplatePath("nextcloud", ".felhom.yml"), "healthcheck:\n  checks:\n    - type: http\n      port: 2222\n")
	port := probePortSeen(t, m)
	if err := m.StartGuardedUpdate("nextcloud"); err != nil {
		t.Fatal(err)
	}
	if st := waitUpdateDone(t, m, "nextcloud"); st.UpdatePhase != UpdatePhaseDone {
		t.Fatalf("ended %q", st.UpdatePhase)
	}
	if *port != 2222 {
		t.Fatalf("verified with probe port %d, want the catalog's 2222 (1111 = the restored file, R-665)", *port)
	}
}

func TestR664_AStepIsVerifiedWithItsOwnFile(t *testing.T) {
	m, dir, _, _, _ := ladderManager(t, true)
	catDir := filepath.Dir(m.CatalogTemplatePath("nextcloud", "docker-compose.yml"))
	mustWrite(t, filepath.Join(dir, ".felhom.yml"), "healthcheck:\n  checks:\n    - type: http\n      port: 1111\n")
	mustWriteMk(t, StepMetaFile(catDir, map[string]string{"web": ladderB}), "healthcheck:\n  checks:\n    - type: http\n      port: 3333\n")
	port := probePortSeen(t, m)
	if err := m.StartGuardedUpdate("nextcloud"); err != nil {
		t.Fatal(err)
	}
	waitUpdateDone(t, m, "nextcloud")
	if *port != 3333 {
		t.Fatalf("step B verified with probe port %d, want its own 3333", *port)
	}
	if got := fileBody(t, filepath.Join(dir, appliedMetaDir, ".felhom.yml")); got != "healthcheck:\n  checks:\n    - type: http\n      port: 3333\n" {
		t.Fatalf("applied-meta after step B is not the step's own file: %q", got)
	}
}