#import "ThingsHelper.h"

NS_ASSUME_NONNULL_BEGIN

ThingsURLRoute const ThingsURLRouteSearch = @"search";
ThingsURLRoute const ThingsURLRouteShow = @"show";
ThingsURLRoute const ThingsURLRouteUpdate = @"update";
ThingsURLRoute const ThingsURLRouteUpdateProject = @"update-project";
ThingsURLRoute const ThingsURLRouteAdd = @"add";
ThingsURLRoute const ThingsURLRouteAddProject = @"add-project";

@implementation ThingsHelper

+ (BOOL)requiresAuthentication:(ThingsURLRoute)route {
    if ([route isEqualToString:ThingsURLRouteSearch] || [route isEqualToString:ThingsURLRouteShow]) {
        return NO;
    }
    return YES;
}

+ (BOOL)callRoute:(ThingsURLRoute)route withParameters:(NSDictionary *)parameters {
    NSString *authenticationKey = [KeychainHelper authenticationKey];
    if ([self requiresAuthentication:route] && !authenticationKey) {
      NSLog(@"Attempted to call an authenticated things URL without an authentication key.");
      return NO;
    }
    
    NSString *baseURL = [NSString stringWithFormat:@"things:///%@", route];
    NSMutableArray *queryComponents = [NSMutableArray array];
    
    if ([self requiresAuthentication:route]) {
        [queryComponents addObject:[NSString stringWithFormat:@"auth-token=%@", authenticationKey]];
    }
    
    for (NSString *key in parameters) {
        id value = parameters[key];
        NSString *encodedKey = [self urlEncodeString:key];
        NSString *encodedValue = [self urlEncodeString:[NSString stringWithFormat:@"%@", value]];
        [queryComponents addObject:[NSString stringWithFormat:@"%@=%@", encodedKey, encodedValue]];
    }
    
    NSString *urlString = baseURL;
    if ([queryComponents count] > 0) {
        urlString = [NSString stringWithFormat:@"%@?%@", baseURL, [queryComponents componentsJoinedByString:@"&"]];
    }
    
    NSURL *url = [NSURL URLWithString:urlString];
    
    [[NSWorkspace sharedWorkspace] openURL:url];
    
    return YES;
}

+ (NSString *)urlEncodeString:(NSString *)string {
    NSCharacterSet *allowedCharacters = [NSCharacterSet URLQueryAllowedCharacterSet];
    return [string stringByAddingPercentEncodingWithAllowedCharacters:allowedCharacters];
}

@end

NS_ASSUME_NONNULL_END