package main

import (
	"strings"
	"testing"
)

// TestRepoMemoryRootHelpShowsWorkflowAndCommands verifies root help describes the workflow and available commands.
func TestRepoMemoryRootHelpShowsWorkflowAndCommands(t *testing.T) {
	t.Parallel()

	stdout, stderr, exitCode := executeRepoMemoryCommand("--help")
	if exitCode != 0 {
		t.Fatalf("expected help exit 0, got %d\nstderr:\n%s\nstdout:\n%s", exitCode, stderr, stdout)
	}

	combined := stdout + stderr
	if !strings.Contains(combined, "Store durable repository knowledge in SQLite") {
		t.Fatalf("expected root help to explain purpose, got:\n%s", combined)
	}
	if !strings.Contains(combined, "Constraints:") {
		t.Fatalf("expected root help to include constraints section, got:\n%s", combined)
	}
	if !strings.Contains(combined, "repo-memory verify --db ~/.codex/data/repo-memory.db --repo /path/to/repo") {
		t.Fatalf("expected root help to include workflow example, got:\n%s", combined)
	}
}

// TestRepoMemoryCommandHelpWorksThroughHelpSubcommand verifies the help subcommand renders command-specific help.
func TestRepoMemoryCommandHelpWorksThroughHelpSubcommand(t *testing.T) {
	t.Parallel()

	stdout, stderr, exitCode := executeRepoMemoryCommand("help", "add")
	if exitCode != 0 {
		t.Fatalf("expected help exit 0, got %d\nstderr:\n%s\nstdout:\n%s", exitCode, stderr, stdout)
	}

	combined := stdout + stderr
	if !strings.Contains(combined, "Insert or update one durable knowledge entry") {
		t.Fatalf("expected add help summary, got:\n%s", combined)
	}
	if !strings.Contains(combined, "Constraints:") {
		t.Fatalf("expected add help to include constraints section, got:\n%s", combined)
	}
	if !strings.Contains(combined, "--kind") || !strings.Contains(combined, "--dep") {
		t.Fatalf("expected add help to print flags, got:\n%s", combined)
	}
}

// TestRepoMemoryCommandHelpWorksWithDashHelp verifies --help renders command-specific help.
func TestRepoMemoryCommandHelpWorksWithDashHelp(t *testing.T) {
	t.Parallel()

	stdout, stderr, exitCode := executeRepoMemoryCommand("search", "--help")
	if exitCode != 0 {
		t.Fatalf("expected help exit 0, got %d\nstderr:\n%s\nstdout:\n%s", exitCode, stderr, stdout)
	}

	combined := stdout + stderr
	if !strings.Contains(combined, "Search stored repository knowledge before a deeper code dive") {
		t.Fatalf("expected search help summary, got:\n%s", combined)
	}
	if !strings.Contains(combined, `--query "actionCode fill"`) {
		t.Fatalf("expected search help example, got:\n%s", combined)
	}
}