package main

import (
	"go/ast"
	"go/parser"
	"go/token"
	"strings"
	"testing"
)

// R-855: the start log line naming the Docker approval nights must print the EFFECTIVE count
// (osSvc.DockerNightsEffective()), not the raw field, whose TEST "none" value is -1 and printed
// "after -1 healthy ring-0 night(s)". RED-PROOF: pass osSvc.DockerNights → this test fails.
func TestR855_StartLogPrintsEffectiveDockerNights(t *testing.T) {
	f, err := parser.ParseFile(token.NewFileSet(), "main.go", nil, 0)
	if err != nil {
		t.Fatal(err)
	}
	found, effective := false, false
	ast.Inspect(f, func(n ast.Node) bool {
		c, ok := n.(*ast.CallExpr)
		if !ok || len(c.Args) < 2 {
			return true
		}
		lit, ok := c.Args[0].(*ast.BasicLit)
		if !ok || !strings.Contains(lit.Value, "healthy ring-0 night(s)") {
			return true
		}
		found = true
		if call, ok := c.Args[1].(*ast.CallExpr); ok {
			if sel, ok := call.Fun.(*ast.SelectorExpr); ok && sel.Sel.Name == "DockerNightsEffective" {
				effective = true
			}
		}
		return true
	})
	if !found {
		t.Fatal("main.go no longer logs the Docker approval nights — update this test with the new line")
	}
	if !effective {
		t.Error("the Docker approval-nights start log must print osSvc.DockerNightsEffective(), not the raw field")
	}
}