using Theriapolis.Core.Data;
using Theriapolis.Game.CodexUI.Core;
using Theriapolis.Game.CodexUI.Screens;
using Theriapolis.Game.CodexUI.Widgets;
using Theriapolis.Game.UI;

namespace Theriapolis.Game.CodexUI.Steps;

/// <summary>
/// Step II — Species. Card grid filtered to the selected clade. Each card
/// shows name + size + base speed + ability mods + traits.
/// </summary>
public static class StepSpecies
{
    public static CodexWidget Build(CodexCharacterCreationScreen s, CodexAtlas atlas, CodexHoverPopover popover)
    {
        var col = new Column { Spacing = 14 };
        col.Add(StepCommon.PageIntro(
            $"Folio II — Of Lineage within {s.Clade?.Name ?? "—"}",
            "Choose your Species",
            "Within every clade are kindreds — different statures, ranges, and inheritances. The species refines what the clade began."));

        var grid = new Grid { Columns = 3 };
        foreach (var sp in s.AllSpecies.Where(x => s.Clade is null || x.CladeId == s.Clade.Id))
            grid.Add(BuildCard(s, atlas, popover, sp));
        col.Add(grid);
        return col;
    }

    private static CodexWidget BuildCard(CodexCharacterCreationScreen s, CodexAtlas atlas, CodexHoverPopover popover, SpeciesDef sp)
    {
        var content = new Column { Spacing = 8 };
        content.Add(new CodexLabel(sp.Name, CodexFonts.DisplayMedium, CodexColors.Ink));
        content.Add(new CodexLabel($"{CodexCopy.SizeLabel(sp.Size).ToUpperInvariant()} · {sp.BaseSpeedFt} FT.",
                                   CodexFonts.MonoTagSmall, CodexColors.InkMute));

        if (sp.AbilityMods.Count > 0)
        {
            var mods = new WrapRow();
            foreach (var kv in sp.AbilityMods) mods.Add(new ModChipMini(atlas, kv.Key, kv.Value));
            content.Add(mods);
        }

        if (sp.Traits.Length > 0 || sp.Detriments.Length > 0)
        {
            var traits = new WrapRow();
            foreach (var t in sp.Traits)     traits.Add(new HoverableChip(atlas, popover, t.Name, t.Name, t.Description, null, ChipKind.Trait));
            foreach (var t in sp.Detriments) traits.Add(new HoverableChip(atlas, popover, t.Name, t.Name, t.Description, "DETRIMENT", ChipKind.TraitDetriment));
            content.Add(traits);
        }

        return new CodexCard(atlas, content, s.Species == sp,
                             onClick: () => { s.Species = sp; s.InvalidateLayout(); });
    }
}