using System.Text;
using Books;
using Spectre.Console;

Console.OutputEncoding = Encoding.UTF8;

const string CsvChoice = "csv";
const string WebChoice = "web";
const string AuthorChoice = "author";
const string PublisherChoice = "publisher";
const string YearChoice = "year";
const string AscChoice = "asc";
const string DescChoice = "desc";

AnsiConsole.Write(new FigletText("BOOKS")
                  .Centered()
                  .Color(Color.Red));

string source = AnsiConsole.Prompt(new SelectionPrompt<string>()
                                   .Title("Please choose the source of books")
                                   .AddChoices(CsvChoice, WebChoice));

string filter = AnsiConsole.Prompt(new SelectionPrompt<string>()
                                   .Title("Please choose the filter type")
                                   .AddChoices(AuthorChoice, PublisherChoice, YearChoice));

string? filterValue = null;
int filterYear = -1;
string order = AscChoice;
if (filter == YearChoice)
{
    do
    {
        filterYear = AnsiConsole.Ask<int>("Please enter the year (4 digits, 0-2100):");
    } while (filterYear is < 0 or > 2100);
}
else
{
    filterValue = AnsiConsole.Ask<string>($"Please enter the {filter}:");
    order = AnsiConsole.Prompt(new SelectionPrompt<string>()
                               .Title("Please choose the order")
                               .AddChoices(AscChoice, DescChoice));
}

var bookStore = new BookStore(source == CsvChoice ? LoaderType.Csv : LoaderType.Web, true);
bool descending = order == DescChoice;
IReadOnlyCollection<Book> results = filter switch
                                    {
                                        AuthorChoice when filterValue is not null => await bookStore
                                            .GetBooksByAuthorAsync(filterValue, descending),
                                        PublisherChoice when filterValue is not null => await bookStore
                                            .GetBooksByPublisherAsync(filterValue, descending),
                                        YearChoice => await bookStore.GetBooksByYearAsync(filterYear),
                                        _          => throw new ArgumentOutOfRangeException(nameof(filter))
                                    };

var table = new Table()
            .AddColumn("Title")
            .AddColumn("Author")
            .AddColumn("Publisher")
            .AddColumn("Year")
            .AddColumn("ISBN");

foreach (var book in results)
{
    table.AddRow(book.Title, book.Author, book.Publisher, book.Year.ToString(), book.ISBN);
}

AnsiConsole.Write(table);
Console.ReadKey();