#import <objc/runtime.h>

typedef NS_ENUM(NSUInteger, PropertyArrayType) {

    PropertyArrayTypeName,

    PropertyArrayTypeAttribute

};

+ (NSMutableArray *)arrayWithModel:(id)model

                              type:(PropertyArrayType)type{

    Class clazz = [model class];

    u_int count;

    objc_property_t

    NSMutableArray* propertyArray = [NSMutableArray arrayWithCapacity:count];

    NSMutableArray* attributeArray = [NSMutableArray arrayWithCapacity:count];

    for (int i = 0; i < count ; i++)

    {

        objc_property_t prop= properties[i];

        const char* propertyName = property_getName(prop);

        const char* attributeName = property_getAttributes(prop);

        [attributeArray addObject:[NSStringstringWithCString:attributeName encoding:NSUTF8StringEncoding]];

        [propertyArray addObject:[NSStringstringWithCString:propertyName

//                const char* attributeName = property_getAttributes(prop);

//                NSLog(@"%@",[NSString stringWithUTF8String:propertyName]);

//                NSLog(@"%@",[NSString stringWithUTF8String:attributeName]);

    }

    free(properties);

    switch (type) {

casePropertyArrayTypeName:

            return propertyArray;

            break;

casePropertyArrayTypeAttribute:

            return attributeArray;

            break;

    }

return nil;

}

- (NSMutableArray *)selectALWithModel:(id)model{

//    NSString *sandBoxPath = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];

//    NSString *path = [sandBoxPath stringByAppendingPathComponent:@"Student.sqlite"];

//    int result = sqlite3_open([path UTF8String], &dbPoint);

NSMutableArray *models = [[selfclass]arrayWithModel:model type:PropertyArrayTypeName];

NSMutableArray *modelAttributes = [[selfclass]arrayWithModel:model type:PropertyArrayTypeAttribute];

    NSLog(@"%@", modelAttributes);

    sqlite3_stmt *stmt = nil;

NSString *sqlStr = @"select * from stu";

    int result = sqlite3_prepare_v2(dbPoint, [sqlStr UTF8String], -1, &stmt, nil);

NSMutableArray *arr = [NSMutableArrayarray];

    if (result == SQLITE_OK) {

        NSLog(@"成功");

        while (sqlite3_step(stmt) == SQLITE_ROW){

            id temp = [model copy];

            for (int i = 1; i <= models.count; i++) {

                NSString *propName = models[i - 1];

                NSString *attributeName = modelAttributes[i - 1];

                SEL setterMothod = NSSelectorFromString([NSString stringWithFormat:@"set%@:", propName.capitalizedString]);

                if ([attributeName hasPrefix:@"Tq"]) {

                    int age = sqlite3_column_int(stmt, i);

                    [temp performSelector:setterMothod withObject:(NSInteger)age];

                } else if ([attributeName hasPrefix:@"[email protected]\"NSString\""]){

                    const unsigned char *pro = sqlite3_column_text(stmt, i);

                    NSString *modelPro = [NSString stringWithUTF8String:(const char *)pro];

                    [temp performSelector:setterMothod withObject:modelPro];}

            }

            [arr addObject:temp];

        }

    }else {

        NSLog(@"失敗");

    }

    return arr;

}

@end

// 建立表格

NSString *sqlStr = @"create table if not exists stu(number integer primary key autoincrement, name text ,sex text, age integer, hobby text)";

// 增

NSString *sqlsStr = [NSStringstringWithFormat:@"insert into stu (name, age , sex, hobby)\n values ('%@', '%ld', '%@', '%@')", stu.name, stu.age, stu.sex, stu.hobby];

NSString *sqlsStr = [NSStringstringWithFormat:@"update stu set name = '%@', sex = '%@', hobby = '%@', age = '%ld'  where name = '劉山山'", stu.name, stu.sex, stu.hobby, stu.age];

NSString *sqlStr = [NSStringstringWithFormat:@"delete from stu where name = '%@'", stu.name];

// 呼叫

    int result = sqlite3_exec(dbPoint, [sqlsStr UTF8String], nil, nil, nil);