package cli

import (
	"bytes"
	"context"
	"os"
	"path/filepath"
	"strings"
	"testing"
	"time"

	"gitea.maximumdirect.net/eric/weatherreporter/internal/promptexec"
	"gitea.maximumdirect.net/eric/weatherreporter/internal/timeutil"
)

func TestParseRunFlagsAcceptsPromptDebugDirectory(t *testing.T) {
	opts, err := parseRunFlags([]string{"--llm-debug-dir", "/tmp/prompt-debug"})
	if err != nil || opts.LLMDebugDir != "/tmp/prompt-debug" {
		t.Fatalf("parseRunFlags() = %#v, %v", opts, err)
	}
}

func TestResolveRunActionConstructsOneExecutor(t *testing.T) {
	for _, command := range []string{"morning", "evening"} {
		t.Run(command, func(t *testing.T) {
			configPath := filepath.Join(t.TempDir(), "config.yml")
			if err := os.WriteFile(configPath, []byte("workspace:\n  root: "+filepath.Join(t.TempDir(), "workspace")+"\n"), 0o600); err != nil {
				t.Fatal(err)
			}
			calls := 0
			executor := &factoryExecutor{}
			runner := Runner{
				Clock: timeutil.FixedClock{Time: time.Date(2026, 5, 29, 8, 0, 0, 0, time.UTC)},
				ExecutorFactory: func(PromptExecutorConfig) (promptexec.Executor, error) {
					calls++
					return executor, nil
				},
			}
			req, _, err := runner.resolveRunAction([]string{command, "--config", configPath, "--llm-debug-dir", "/tmp/debug"})
			if err != nil || calls != 1 || req.Executor != executor || req.LLMDebugDir != "/tmp/debug" {
				t.Fatalf("resolveRunAction() request/error/calls = %#v/%v/%d", req, err, calls)
			}
		})
	}
}

func TestInspectCommandIsUnknownAndAbsentFromHelp(t *testing.T) {
	var stdout, stderr bytes.Buffer
	err := (Runner{}).Run(context.Background(), []string{"inspect", "reports"}, &stdout, &stderr)
	if err == nil || err.Error() != `unknown command "inspect"` {
		t.Fatalf("Run(inspect) error = %v", err)
	}
	if err := (Runner{}).Run(context.Background(), []string{"--help"}, &stdout, &stderr); err != nil {
		t.Fatalf("Run(--help) error = %v", err)
	}
	if strings.Contains(stdout.String(), "inspect") {
		t.Fatalf("help contains removed inspect command:\n%s", stdout.String())
	}
}