#include <XCEngine/UI/Widgets/UIEditorCollectionPrimitives.h>

namespace XCEngine {
namespace UI {
namespace Widgets {

namespace {

float ResolveFloatToken(
    const Style::UITheme& theme,
    const char* tokenName,
    float fallbackValue) {
    const Style::UITokenResolveResult result =
        theme.ResolveToken(tokenName, Style::UIStyleValueType::Float);
    if (result.status != Style::UITokenResolveStatus::Resolved) {
        return fallbackValue;
    }

    const float* value = result.value.TryGetFloat();
    return value != nullptr ? *value : fallbackValue;
}

} // namespace

UIEditorCollectionPrimitiveKind ClassifyUIEditorCollectionPrimitive(std::string_view tagName) {
    if (tagName == "ScrollView") {
        return UIEditorCollectionPrimitiveKind::ScrollView;
    }
    if (tagName == "TreeView") {
        return UIEditorCollectionPrimitiveKind::TreeView;
    }
    if (tagName == "TreeItem") {
        return UIEditorCollectionPrimitiveKind::TreeItem;
    }
    if (tagName == "ListView") {
        return UIEditorCollectionPrimitiveKind::ListView;
    }
    if (tagName == "ListItem") {
        return UIEditorCollectionPrimitiveKind::ListItem;
    }
    if (tagName == "PropertySection") {
        return UIEditorCollectionPrimitiveKind::PropertySection;
    }
    if (tagName == "FieldRow") {
        return UIEditorCollectionPrimitiveKind::FieldRow;
    }

    return UIEditorCollectionPrimitiveKind::None;
}

bool IsUIEditorCollectionPrimitiveContainer(UIEditorCollectionPrimitiveKind kind) {
    return kind == UIEditorCollectionPrimitiveKind::ScrollView ||
        kind == UIEditorCollectionPrimitiveKind::TreeView ||
        kind == UIEditorCollectionPrimitiveKind::ListView ||
        kind == UIEditorCollectionPrimitiveKind::PropertySection;
}

bool UsesUIEditorCollectionPrimitiveColumnLayout(UIEditorCollectionPrimitiveKind kind) {
    return kind == UIEditorCollectionPrimitiveKind::TreeView ||
        kind == UIEditorCollectionPrimitiveKind::ListView ||
        kind == UIEditorCollectionPrimitiveKind::PropertySection;
}

bool IsUIEditorCollectionPrimitiveHoverable(UIEditorCollectionPrimitiveKind kind) {
    return kind == UIEditorCollectionPrimitiveKind::TreeItem ||
        kind == UIEditorCollectionPrimitiveKind::ListItem ||
        kind == UIEditorCollectionPrimitiveKind::FieldRow;
}

bool DoesUIEditorCollectionPrimitiveClipChildren(UIEditorCollectionPrimitiveKind kind) {
    return kind == UIEditorCollectionPrimitiveKind::ScrollView ||
        kind == UIEditorCollectionPrimitiveKind::TreeView ||
        kind == UIEditorCollectionPrimitiveKind::ListView;
}

float ResolveUIEditorCollectionPrimitivePadding(
    UIEditorCollectionPrimitiveKind kind,
    const Style::UITheme& theme) {
    return kind == UIEditorCollectionPrimitiveKind::TreeView ||
            kind == UIEditorCollectionPrimitiveKind::ListView ||
            kind == UIEditorCollectionPrimitiveKind::PropertySection
        ? ResolveFloatToken(theme, "space.cardInset", 12.0f)
        : 0.0f;
}

float ResolveUIEditorCollectionPrimitiveDefaultHeight(
    UIEditorCollectionPrimitiveKind kind,
    const Style::UITheme& theme) {
    switch (kind) {
    case UIEditorCollectionPrimitiveKind::TreeItem:
        return ResolveFloatToken(theme, "size.treeItemHeight", 28.0f);
    case UIEditorCollectionPrimitiveKind::ListItem:
        return ResolveFloatToken(theme, "size.listItemHeight", 60.0f);
    case UIEditorCollectionPrimitiveKind::FieldRow:
        return ResolveFloatToken(theme, "size.fieldRowHeight", 32.0f);
    case UIEditorCollectionPrimitiveKind::PropertySection:
        return ResolveFloatToken(theme, "size.propertySectionHeight", 148.0f);
    default:
        return 0.0f;
    }
}

float ResolveUIEditorCollectionPrimitiveIndent(
    UIEditorCollectionPrimitiveKind kind,
    const Style::UITheme& theme,
    float indentLevel) {
    return kind == UIEditorCollectionPrimitiveKind::TreeItem
        ? indentLevel * ResolveFloatToken(theme, "size.treeIndent", 18.0f)
        : 0.0f;
}

} // namespace Widgets
} // namespace UI
} // namespace XCEngine