using JSMR.Application.Common.Caching;
using JSMR.Infrastructure.Common.Locales;
using JSMR.Infrastructure.Common.SupportedLanguages;
using JSMR.Infrastructure.Http;
using System.Text.RegularExpressions;

namespace JSMR.Infrastructure.Scanning;

public partial class EnglishVoiceWorksScanner(IHtmlLoader loader, ISpamCircleCache spamCircleCache)
    : VoiceWorksScanner(loader, spamCircleCache)
{
    [GeneratedRegex(@"Release: (.*?)[/](\d{2})[/](\d{4})", RegexOptions.IgnoreCase, "en-US")]
    private static partial Regex SalesDateRegex();

    [GeneratedRegex(@"^(Early|Middle|Late)\s(.*?)\s(\d{4})", RegexOptions.IgnoreCase, "en-US")]
    private static partial Regex EstimatedDateRegex();

    protected override ILocale Locale => new EnglishLocale();

    protected override ISupportedLanguage[] SupportedLanguages =>
    [
        new JapaneseLanguage(),
        new EnglishLanguage(),
        new AlingualLanguage()
    ];

    protected override DateTime? GetEstimatedReleaseDate(string expectedDate)
    {
        if (expectedDate.Contains("販売中") || expectedDate.Contains("発売予定未定"))
            return null;

        Regex textRegex = EstimatedDateRegex();
        MatchCollection textMatches = textRegex.Matches(expectedDate);

        if (textMatches.Count == 0 || textMatches[0].Groups.Count < 4)
            return null;

        GroupCollection groups = textMatches[0].Groups;

        int releaseYear = Convert.ToInt32(groups[3].Value);

        int releaseMonth = 1;
        int releaseDay = 1;

        string releaseTime = groups[1].Value;
        string releaseMonthText = groups[2].Value;

        switch (releaseTime)
        {
            case "Early":
                releaseDay = 1;
                break;
            case "Middle":
                releaseDay = 11;
                break;
            case "Late":
                releaseDay = 21;
                break;
        }

        switch (releaseMonthText)
        {
            case "Jan.":
                releaseMonth = 1;
                break;
            case "Feb.":
                releaseMonth = 2;
                break;
            case "Mar.":
                releaseMonth = 3;
                break;
            case "Apr.":
                releaseMonth = 4;
                break;
            case "May.":
                releaseMonth = 5;
                break;
            case "Jun.":
                releaseMonth = 6;
                break;
            case "Jul.":
                releaseMonth = 7;
                break;
            case "Aug.":
                releaseMonth = 8;
                break;
            case "Sep.":
                releaseMonth = 9;
                break;
            case "Oct.":
                releaseMonth = 10;
                break;
            case "Nov.":
                releaseMonth = 11;
                break;
            case "Dec.":
                releaseMonth = 12;
                break;
        }

        return new DateTime(releaseYear, releaseMonth, releaseDay);
    }

    protected override DateTime? GetSalesDate(string salesDate)
    {
        Regex textRegex = SalesDateRegex();
        MatchCollection textMatches = textRegex.Matches(salesDate);

        if (textMatches.Count == 0 || textMatches[0].Groups.Count < 4)
            return null;

        string month = textMatches[0].Groups[1].Value;
        int releaseMonth = -1;

        switch (month)
        {
            case "Jan":
                releaseMonth = 1;
                break;
            case "Feb":
                releaseMonth = 2;
                break;
            case "Mar":
                releaseMonth = 3;
                break;
            case "Apr":
                releaseMonth = 4;
                break;
            case "May":
                releaseMonth = 5;
                break;
            case "Jun":
                releaseMonth = 6;
                break;
            case "Jul":
                releaseMonth = 7;
                break;
            case "Aug":
                releaseMonth = 8;
                break;
            case "Sep":
                releaseMonth = 9;
                break;
            case "Oct":
                releaseMonth = 10;
                break;
            case "Nov":
                releaseMonth = 11;
                break;
            case "Dec":
                releaseMonth = 12;
                break;
        }

        if (releaseMonth == -1)
            return null;

        int releaseYear = Convert.ToInt32(textMatches[0].Groups[3].Value);
        int releaseDay = Convert.ToInt32(textMatches[0].Groups[2].Value);

        return new DateTime(releaseYear, releaseMonth, releaseDay);
    }
}