package main

import (
	"context"
	"slices"
	"testing"

	"git.golem15.com/golem15/summercms/modules/bonfire"
)

// captureAppRunner replaces appRunner for the test and returns a pointer to
// the argv of the last call.
func captureAppRunner(t *testing.T) *[]string {
	t.Helper()
	got := new([]string)
	prev := appRunner
	appRunner = func(ctx context.Context, argv []string, out bonfire.Output) error {
		*got = append([]string(nil), argv...)
		return nil
	}
	t.Cleanup(func() { appRunner = prev })
	return got
}

func TestDelegatedServePassesFlags(t *testing.T) {
	for _, tc := range []struct {
		args []string
		want []string
	}{
		{[]string{"serve", "--addr", ":8123"}, []string{"serve", "--addr", ":8123"}},
		{[]string{"serve", "--help"}, []string{"serve", "--help"}},
		{[]string{"serve", "-h"}, []string{"serve", "-h"}},
		{[]string{"serve", "--addr=:8123"}, []string{"serve", "--addr=:8123"}},
		{[]string{"serve", "--", "--addr", ":8123"}, []string{"serve", "--addr", ":8123"}},
	} {
		got := captureAppRunner(t)
		if out, err := runSummer(t, tc.args...); err != nil {
			t.Fatalf("%q: %v\n%s", tc.args, err, out)
		}
		if !slices.Equal(*got, tc.want) {
			t.Fatalf("%q: argv = %q, want %q", tc.args, *got, tc.want)
		}
	}
}