//
//  KBSuggestionEngine.h
//  CustomKeyboard
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

typedef NS_ENUM(NSInteger, KBSuggestionEngineType) {
    KBSuggestionEngineTypeLatin = 0,              // 拉丁字母（英语、葡萄牙语、印尼语）
    KBSuggestionEngineTypeSpanish,                // 西班牙语
    KBSuggestionEngineTypePinyinSimplified,       // 简体拼音
    KBSuggestionEngineTypePinyinTraditional,      // 繁体拼音
    KBSuggestionEngineTypeBopomofo                // 注音（繁体）
};

/// Simple local suggestion engine (prefix match + lightweight ranking).
@interface KBSuggestionEngine : NSObject

@property (nonatomic, assign) KBSuggestionEngineType engineType;

+ (instancetype)shared;

/// Returns suggestions for prefix (lowercase expected), limited by count.
- (NSArray<NSString *> *)suggestionsForPrefix:(NSString *)prefix limit:(NSUInteger)limit;

/// Record a selection to slightly boost ranking next time.
- (void)recordSelection:(NSString *)word;

/// 设置联想引擎类型（根据 profileId 的 suggestionEngine 字段）
- (void)setEngineTypeFromString:(NSString *)engineTypeString;

@end

NS_ASSUME_NONNULL_END