//
//  searchStrDB.m
//  ThePaperBase
//
//  Created by Huixin on 15/7/27.
//  Copyright (c) 2015年 scar1900. All rights reserved.
//

#import "searchStrDB.h"

@implementation searchStrDB

//+ (NSArray*) getAllSearchStrByDateAscending:(BOOL) ascend{
//    NSError *error;
//    
//    NSFetchRequest *requestAll = [[NSFetchRequest alloc]init];
//    //为已创建好的实体利用检索到的上下文创建一个实体描述
//    NSEntityDescription *entityDescription = [NSEntityDescription entityForName:@"SearchStrList"
//                                                         inManagedObjectContext:[CoreDataManager shareInstance].managedObjectContext];
//    [requestAll setEntity:entityDescription];
//    
//    NSSortDescriptor *dateSort = [NSSortDescriptor sortDescriptorWithKey:@"date" ascending:ascend];
//    requestAll.sortDescriptors = @[dateSort];
//    
//    NSArray *allObjs = [[CoreDataManager shareInstance].managedObjectContext executeFetchRequest:requestAll error:&error];
//    return allObjs;
//}

//bug5286: 搜索历史，清空缓存后，不应将搜索历史也清空
+ (NSArray*) getAllSearchStrByDateAscending:(BOOL) ascend{
    NSMutableArray *allObjs = [NSMutableArray arrayWithArray:[TPUserDefault instance].searchHistoryArray];
    if (!ascend) {
        NSArray* reversedArray = [[allObjs reverseObjectEnumerator] allObjects];
        return reversedArray;
    }
    return allObjs;
}


//+ (void) addOrUpdateSearchStr:(NSString*) searchStr{
//    SearchStrList* existSearchStr = [searchStrDB getSearchStr:searchStr];
//    if (existSearchStr == nil) {
//        NSArray *allObjs = [searchStrDB getAllSearchStrByDateAscending:YES];
//        while (allObjs.count > 9) {
//            [[CoreDataManager shareInstance].managedObjectContext deleteObject:allObjs[0]];
//            [[CoreDataManager shareInstance] saveContext];
//            allObjs = [searchStrDB getAllSearchStrByDateAscending:YES];
//        }
//        SearchStrList *newSearchStr = [NSEntityDescription insertNewObjectForEntityForName:@"SearchStrList"
//                                                                     inManagedObjectContext:[CoreDataManager shareInstance].managedObjectContext];
//        newSearchStr.searchStr = searchStr;
//        newSearchStr.date = getLocalDate();
//        [[CoreDataManager shareInstance] saveContext];
//    }
//    else {
//        existSearchStr.date = getLocalDate();
//        [[CoreDataManager shareInstance] saveContext];
//    }
//}

+ (void) addOrUpdateSearchStr:(NSString*) searchStr{
    NSMutableArray *allObjs = [NSMutableArray arrayWithArray:[TPUserDefault instance].searchHistoryArray];
    int index;
    for (index = 0; index < allObjs.count; index++) {
        if ([allObjs[index] isEqualToString:searchStr]) {
            break;
        }
    }
    if (index == allObjs.count) {
        if (allObjs.count > 9) {
            [allObjs removeObjectAtIndex:0];
        }
        [allObjs addObject:searchStr];
        [TPUserDefault instance].searchHistoryArray = allObjs;
    }
    else {
        [allObjs removeObjectAtIndex:index];
        [allObjs addObject:searchStr];
        [TPUserDefault instance].searchHistoryArray = allObjs;
    }
}

//+ (void) deleteSearchStr:(NSString*) searchStr{
//    SearchStrList* searchStrList = [searchStrDB getSearchStr:searchStr];
//    if (searchStrList != nil) {
//        [[CoreDataManager shareInstance].managedObjectContext deleteObject:searchStrList];
//        [[CoreDataManager shareInstance] saveContext];
//    }
//}

+ (void) deleteSearchStr:(NSString*) searchStr{
    NSMutableArray *allObjs = [NSMutableArray arrayWithArray:[TPUserDefault instance].searchHistoryArray];
    int index;
    for (index = 0; index < allObjs.count; index++) {
        if ([allObjs[index] isEqualToString:searchStr]) {
            break;
        }
    }
    if (index < allObjs.count) {
        [allObjs removeObjectAtIndex:index];
        [TPUserDefault instance].searchHistoryArray = allObjs;
    }
}

//+ (void) deleteAllSearchStr{
//    NSArray *objs = [searchStrDB getAllSearchStrByDateAscending:NO];
//    if (objs != nil) {
//        for (id obj in objs)
//            [[CoreDataManager shareInstance].managedObjectContext deleteObject:obj];
//        [[CoreDataManager shareInstance] saveContext];
//    }
//}

+ (void) deleteAllSearchStr{
    [TPUserDefault instance].searchHistoryArray = [NSMutableArray array];
}

//+ (SearchStrList*) getSearchStr:(NSString*) searchStr{
//    NSError *error;
//    
//    NSFetchRequest *request = [[NSFetchRequest alloc]init];
//    //为已创建好的实体利用检索到的上下文创建一个实体描述
//    NSEntityDescription *entityDescription = [NSEntityDescription entityForName:@"SearchStrList"
//                                                         inManagedObjectContext:[CoreDataManager shareInstance].managedObjectContext];
//    [request setEntity:entityDescription];
//    
//    //确定持久库中是否存在与此字段相对应的托管对象，所以创建一个谓词来确定字段的正确对象：
//    NSPredicate *pred = [NSPredicate predicateWithFormat:@"searchStr == %@",searchStr];
//    [request setPredicate:pred];
//    
//    NSArray *objs = [[CoreDataManager shareInstance].managedObjectContext executeFetchRequest:request error:&error];
//    
//    SearchStrList *SearchStrList = nil;
//    if (objs!=nil && objs.count > 0) {
//        SearchStrList = [objs objectAtIndex:0];
//    }
//    
//    return SearchStrList;
//}

@end