package commandmeta

import (
	"strings"
	"testing"
)

func TestReportingFlagsAreBooleanAndReturnedIndependently(t *testing.T) {
	flags := ReportingFlags()
	want := []string{"quiet", "verbose", "debug", "progress"}
	if len(flags) != len(want)+1 {
		t.Fatalf("reporting flags = %#v", flags)
	}
	for index, name := range want {
		if flags[index].Name != name || !flags[index].Boolean || flags[index].Short != "" || flags[index].Default != "false" {
			t.Errorf("reporting flag %d = %#v", index, flags[index])
		}
		if !IsReportingFlag(name) {
			t.Errorf("%q is not recognized as a reporting flag", name)
		}
	}
	if flags[4].Name != "format" || flags[4].Boolean || !IsReportingFlag("format") {
		t.Fatalf("format metadata = %#v", flags[4])
	}
	flags[4].Completion.Choices[0].Value = "changed"
	if ReportingFlags()[4].Completion.Choices[0].Value != "text" {
		t.Fatal("caller mutation changed format choices")
	}
	flags[0].Name = "changed"
	if ReportingFlags()[0].Name != "quiet" {
		t.Fatal("caller mutation changed shared reporting metadata")
	}
	for _, name := range []string{"help", "quietly", ""} {
		if IsReportingFlag(name) {
			t.Errorf("%q was incorrectly recognized as a reporting flag", name)
		}
	}
}

func TestEffectiveFlagsCombinesDebugMetadata(t *testing.T) {
	flags := []Flag{{Name: "before"}, {Name: "debug", Short: "d", Boolean: true, Default: "true", Required: true, Usage: "application diagnostics", Completion: CompletionHint{Kind: CompletionFiles}}, {Name: "after"}}
	core := ReportingFlags()
	got := EffectiveFlags(flags, core)
	if len(got) != len(flags)+len(core)-1 || got[1].Name != "debug" || got[1].Default != "false" || got[1].Short != "d" || !got[1].Required || got[1].Completion.Kind != CompletionFiles || !strings.Contains(got[1].Usage, "application diagnostics") || !strings.Contains(got[1].Usage, "application input defaults to true") {
		t.Fatalf("effective debug = %#v", got)
	}
	if flags[1].Default != "true" || core[2].Short != "" {
		t.Fatal("input metadata changed")
	}
}