@namespace Shared.Pages
@page "/decks"
@using Model

<PageTitle>Chrono CCG - Decks</PageTitle>

<HeadContent>
    <meta name="description"
          content="Explore community and official Chrono CCG decks. Find the best strategies and card combinations."/>
</HeadContent>

<div class="decks-page">
    <div class="decks-header">
        <h1>Decks</h1>
        <div class="decks-header-row">
            <p class="text-secondary">@decks.Count deck@(decks.Count != 1 ? "s" : "")</p>
            <div class="form-check form-switch">
                <input class="form-check-input" type="checkbox" id="showPrecons" @bind="showPrecons"
                       @bind:after="RefreshDecks">
                <label class="form-check-label" for="showPrecons">Show Precons</label>
            </div>
        </div>
    </div>

    <div class="deck-list">
        @foreach (var deck in decks)
        {
            <a class="deck-card" href="/decks/@Uri.EscapeDataString(deck.Name)">
                <div class="deck-card-body">
                    <h2 class="deck-card-title">@deck.Name</h2>
                    @if (deck.Factions.Count > 0)
                    {
                        <div class="deck-card-factions">
                            @foreach (var f in deck.Factions)
                            {
                                <span class="faction-badge">@f</span>
                            }
                        </div>
                    }

                    <div class="deck-card-factions">
                        <span class="faction-badge">@deck.DeckType</span>
                    </div>

                    <div class="deck-card-meta">
                        <span>@deck.Cards.Distinct().Count() unique, @deck.Cards.Count total</span>
                        @if (deck.Keycards.Count > 0)
                        {
                            <span>@deck.Keycards.Count keycard@(deck.Keycards.Count != 1 ? "s" : "")</span>
                        }
                        @if (deck.Divers.Count > 0)
                        {
                            <span>@deck.Divers.Count diver@(deck.Divers.Count != 1 ? "s" : "")</span>
                        }
                    </div>
                </div>
                @if (deck.Description != null)
                {
                    <div class="deck-card-excerpt">@Truncate(deck.Description, 120)</div>
                }
            </a>
        }
    </div>

    @if (decks.Count == 0)
    {
        <div class="empty-state">
            <i class="bi bi-journal-text"></i>
            <p>No decks available yet.</p>
        </div>
    }
</div>

@code {
    private List<DeckData> decks = [];
    private bool showPrecons;

    protected override void OnInitialized()
    {
        RefreshDecks();
    }

    private void RefreshDecks()
    {
        decks = DeckDatabase.Decks
            .Where(d => d.IsVisible)
            .Where(d =>
                showPrecons
                    ? d.DeckType is "precon" or "store"
                    : d.DeckType is "custom")
            .ToList();
    }

    private static string Truncate(string text, int maxLength)
    {
        if (text.Length <= maxLength) return text;
        var lastSpace = text.LastIndexOf(' ', maxLength);
        return text[..(lastSpace > 0 ? lastSpace : maxLength)] + "...";
    }

}