using System.Text.Json;
using System.Text.Json.Serialization;

using Microsoft.JSInterop;

namespace MesaFabApproval.Client.Services;

public interface ILocalStorageService {
    Task AddItem(string key, string value);
    Task AddItem<T>(string key, T value);
    Task RemoveItem(string key);
    Task<string> GetItem(string key);
    Task<T?> GetItem<T>(string key);
}

public class LocalStorageService : ILocalStorageService {
    private readonly IJSRuntime _jsRuntime;

    public LocalStorageService(IJSRuntime jsRuntime) {
        _jsRuntime = jsRuntime;
    }

    public async Task AddItem(string key, string value) {
        await _jsRuntime.InvokeVoidAsync("localStorage.setItem", key, value);
    }

    public async Task AddItem<T>(string key, T value) {
        string item = JsonSerializer.Serialize(value);
        await _jsRuntime.InvokeVoidAsync("localStorage.setItem", key, item);
    }

    public async Task RemoveItem(string key) {
        await _jsRuntime.InvokeVoidAsync("localStorage.removeItem", key);
    }

    public async Task<string> GetItem(string key) {
        return await _jsRuntime.InvokeAsync<string>("localStorage.getItem", key);
    }

    public async Task<T?> GetItem<T>(string key) {
        string item = await _jsRuntime.InvokeAsync<string>("localStorage.getItem", key);

        JsonSerializerOptions jsonSerializerOptions = new() {
            PropertyNameCaseInsensitive = true
        };

        return JsonSerializer.Deserialize<T>(item, jsonSerializerOptions);
    }
}