package cli

import (
	"strings"
	"testing"
)

func TestMainHelpListsAllCommands(t *testing.T) {
	// help / --help / -h / no-args all print the command catalogue, exit 0,
	// and require no EMCLI_KEY (help must work before any DB access).
	for _, args := range [][]string{{"help"}, {"--help"}, {"-h"}, {}} {
		code, out, errOut := run(t, args...)
		text := out + errOut
		if code != 0 {
			t.Fatalf("%v: want exit 0, got %d\n%s", args, code, text)
		}
		for _, want := range []string{
			"Usage", "list", "get", "search", "ack", "send",
			"account", "whitelist", "config", "audit", "doctor", "version",
			"EMCLI_KEY", "EMCLI_DB",
		} {
			if !strings.Contains(text, want) {
				t.Fatalf("%v: help missing %q\n%s", args, want, text)
			}
		}
	}
}

func TestHelpForSpecificCommand(t *testing.T) {
	code, out, errOut := run(t, "help", "send")
	text := out + errOut
	if code != 0 {
		t.Fatalf("help send exit=%d", code)
	}
	if !strings.Contains(text, "Usage: emcli send") || !strings.Contains(text, "--to") {
		t.Fatalf("help send missing synopsis:\n%s", text)
	}
}

func TestAgentHelpDoesNotEmitJSON(t *testing.T) {
	// `list --help` must NOT print a JSON envelope on stdout (an agent parses
	// stdout) and must exit 0 — even with no EMCLI_KEY set.
	code, out, errOut := run(t, "list", "--help")
	if code != 0 {
		t.Fatalf("list --help exit=%d (out=%q err=%q)", code, out, errOut)
	}
	if strings.TrimSpace(out) != "" {
		t.Fatalf("agent help must keep stdout clean, got: %q", out)
	}
	if !strings.Contains(errOut, "Usage: emcli list") || !strings.Contains(errOut, "--account") {
		t.Fatalf("list --help should print usage+flags on stderr:\n%s", errOut)
	}
}

func TestSendHelpExitsZero(t *testing.T) {
	code, _, errOut := run(t, "send", "--help")
	if code != 0 || !strings.Contains(errOut, "--to") {
		t.Fatalf("send --help: code=%d err=%q", code, errOut)
	}
}

func TestAdminCommandHelpExitsZero(t *testing.T) {
	for _, c := range []string{"account", "whitelist", "config", "audit", "doctor"} {
		code, out, errOut := run(t, c, "--help")
		text := out + errOut
		if code != 0 {
			t.Fatalf("%s --help exit=%d\n%s", c, code, text)
		}
		if !strings.Contains(text, "Usage: emcli "+c) {
			t.Fatalf("%s --help missing usage line:\n%s", c, text)
		}
	}
}