package moduleconfmod

import (
	"encoding/json"
	"testing"
	"time"

	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/bson/primitive"
)

func TestModuleConfValidateSchedule(t *testing.T) {
	start := time.Date(2026, 7, 27, 8, 0, 0, 0, time.UTC)
	after := start.Add(time.Hour)
	before := start.Add(-time.Second)

	tests := []struct {
		name    string
		module  ModuleConf
		wantErr bool
	}{
		{name: "no limits", module: ModuleConf{}},
		{name: "only online", module: ModuleConf{OnlineAt: &start}},
		{name: "only offline", module: ModuleConf{OfflineAt: &after}},
		{name: "valid window", module: ModuleConf{OnlineAt: &start, OfflineAt: &after}},
		{name: "equal boundary", module: ModuleConf{OnlineAt: &start, OfflineAt: &start}, wantErr: true},
		{name: "reversed window", module: ModuleConf{OnlineAt: &start, OfflineAt: &before}, wantErr: true},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			err := test.module.ValidateSchedule()
			if (err != nil) != test.wantErr {
				t.Fatalf("ValidateSchedule() error = %v, wantErr %v", err, test.wantErr)
			}
		})
	}
}

func TestModuleConfIsActiveAt(t *testing.T) {
	now := time.Date(2026, 7, 27, 8, 0, 0, 0, time.UTC)
	past := now.Add(-time.Hour)
	future := now.Add(time.Hour)

	tests := []struct {
		name   string
		module ModuleConf
		want   bool
	}{
		{name: "enabled without window", module: ModuleConf{Status: 1}, want: true},
		{name: "disabled", module: ModuleConf{Status: 0}, want: false},
		{name: "not online yet", module: ModuleConf{Status: 1, OnlineAt: &future}, want: false},
		{name: "online boundary is inclusive", module: ModuleConf{Status: 1, OnlineAt: &now}, want: true},
		{name: "inside window", module: ModuleConf{Status: 1, OnlineAt: &past, OfflineAt: &future}, want: true},
		{name: "offline boundary is exclusive", module: ModuleConf{Status: 1, OfflineAt: &now}, want: false},
		{name: "already offline", module: ModuleConf{Status: 1, OfflineAt: &past}, want: false},
		{name: "deleted", module: ModuleConf{Status: 1, DeletedAt: &past}, want: false},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			if got := test.module.IsActiveAt(now); got != test.want {
				t.Fatalf("IsActiveAt() = %v, want %v", got, test.want)
			}
		})
	}
}

func TestModuleConfJSONIncludesExcludeSearch(t *testing.T) {
	data, err := json.Marshal(ModuleConf{})
	if err != nil {
		t.Fatal(err)
	}
	var decoded map[string]interface{}
	if err = json.Unmarshal(data, &decoded); err != nil {
		t.Fatal(err)
	}
	value, exists := decoded["excludeSearch"]
	if !exists || value != false {
		t.Fatalf("excludeSearch = %#v, exists = %v; want false and present", value, exists)
	}
}

func TestEditSelectorBSONIncludesFalseExcludeSearch(t *testing.T) {
	value := false
	data, err := bson.Marshal(EditSelector{
		ID:            primitive.NewObjectID(),
		ExcludeSearch: &value,
	})
	if err != nil {
		t.Fatal(err)
	}
	var decoded bson.M
	if err = bson.Unmarshal(data, &decoded); err != nil {
		t.Fatal(err)
	}
	got, exists := decoded["excludeSearch"]
	if !exists || got != false {
		t.Fatalf("excludeSearch = %#v, exists = %v; want false and present", got, exists)
	}
}