#import <UIKit/UIKit.h>
#import <XCTest/XCTest.h>
#import "SWGApiClient.h"
#import "SWGConfiguration.h"

@interface SWGApiClientTest : XCTestCase

@property (nonatomic) SWGApiClient *apiClient;

@end

@implementation SWGApiClientTest

- (void)setUp {
    [super setUp];
    self.apiClient = [[SWGApiClient alloc] init];
}

- (void)tearDown {
    // Put teardown code here. This method is called after the invocation of each test method in the class.
    [super tearDown];
}

- (void)testSelectHeaderAccept {
    NSArray *accepts = nil;
    
    accepts = @[@"APPLICATION/JSON", @"APPLICATION/XML"];
    XCTAssertEqualObjects([SWGApiClient selectHeaderAccept:accepts], @"application/json");
    
    accepts = @[@"application/json", @"application/xml"];
    XCTAssertEqualObjects([SWGApiClient selectHeaderAccept:accepts], @"application/json");
    
    accepts = @[@"APPLICATION/xml", @"APPLICATION/json"];
    XCTAssertEqualObjects([SWGApiClient selectHeaderAccept:accepts], @"application/json");
    
    accepts = @[@"text/plain", @"application/xml"];
    XCTAssertEqualObjects([SWGApiClient selectHeaderAccept:accepts], @"text/plain, application/xml");
    
    accepts = @[];
    XCTAssertEqualObjects([SWGApiClient selectHeaderAccept:accepts], @"");
}

- (void)testSelectHeaderContentType {
    NSArray *contentTypes = nil;
    
    contentTypes = @[@"APPLICATION/JSON", @"APPLICATION/XML"];
    XCTAssertEqualObjects([SWGApiClient selectHeaderContentType:contentTypes], @"application/json");
    
    contentTypes = @[@"application/json", @"application/xml"];
    XCTAssertEqualObjects([SWGApiClient selectHeaderContentType:contentTypes], @"application/json");
    
    contentTypes = @[@"APPLICATION/xml", @"APPLICATION/json"];
    XCTAssertEqualObjects([SWGApiClient selectHeaderContentType:contentTypes], @"application/json");
    
    contentTypes = @[@"text/plain", @"application/xml"];
    XCTAssertEqualObjects([SWGApiClient selectHeaderContentType:contentTypes], @"text/plain");
    
    contentTypes = @[];
    XCTAssertEqualObjects([SWGApiClient selectHeaderContentType:contentTypes], @"application/json");
}

- (void)testConfiguration {
    SWGConfiguration *config = [SWGConfiguration sharedConfig];
    [config setValue:@"123456" forApiKeyField:@"api_key"];
    [config setValue:@"PREFIX" forApiKeyPrefixField:@"api_key"];
    config.username = @"test_username";
    config.password = @"test_password";
    
    NSDictionary *headerParams = @{@"test1": @"value1"};
    NSDictionary *queryParams = @{@"test2": @"value2"};
    NSArray *authSettings = @[@"api_key", @"unknown"];
    
    // test prefix
    XCTAssertEqualObjects(@"PREFIX", config.apiKeyPrefix[@"api_key"]);
    [self.apiClient updateHeaderParams:&headerParams
                           queryParams:&queryParams
                      WithAuthSettings:authSettings];
    
    // test api key auth
    XCTAssertEqualObjects(headerParams[@"test1"], @"value1");
    XCTAssertEqualObjects(headerParams[@"api_key"], @"PREFIX 123456");
    XCTAssertEqualObjects(queryParams[@"test2"], @"value2");
    
    // test basic auth
    XCTAssertEqualObjects(@"test_username", config.username);
    XCTAssertEqualObjects(@"test_password", config.password);
}

- (void)testGetBasicAuthToken {
    SWGConfiguration *config = [SWGConfiguration sharedConfig];
    config.username = @"test_username";
    config.password = @"test_password";
    
    NSString *basicAuthCredentials = [NSString stringWithFormat:@"%@:%@", config.username, config.password];
    NSData *data = [basicAuthCredentials dataUsingEncoding:NSUTF8StringEncoding];
    basicAuthCredentials = [NSString stringWithFormat:@"Basic %@", [data base64EncodedStringWithOptions:0]];
    
    XCTAssertEqualObjects(basicAuthCredentials, [config getBasicAuthToken]);
}

- (void)testDeserialize {
    id data;
    id result;
    
    // list of models
    data =
    @[
      @{
          @"id": @119,
          @"category": @{
                  @"id": @0,
                  @"name": @"string"
                  },
          @"name": @"doggie",
          @"photoUrls": @[
                  @"string"
                  ],
          @"tags": @[
                  @{
                      @"id": @0,
                      @"name": @"string"
                      }
                  ],
          @"status": @"available"
          
          }];
    result = [self.apiClient deserialize:data class:@"NSArray<SWGPet>*"];
    
    XCTAssertTrue([result isKindOfClass:[NSArray class]]);
    XCTAssertTrue([[result firstObject] isKindOfClass:[SWGPet class]]);
    XCTAssertEqualObjects([[result firstObject] _id], @119);
    
    // map of models
    data =
    @{
      @"pet": @{
              @"id": @119,
              @"category": @{
                      @"id": @0,
                      @"name": @"string"
                      },
              @"name": @"doggie",
              @"photoUrls": @[
                      @"string"
                      ],
              @"tags": @[
                      @{
                          @"id": @0,
                          @"name": @"string"
                          }
                      ],
              @"status": @"available"
              
              }
      };
    result = [self.apiClient deserialize:data class:@"NSDictionary* /* NSString, SWGPet */"];
    
    XCTAssertTrue([result isKindOfClass:[NSDictionary class]]);
    XCTAssertTrue([result[@"pet"] isKindOfClass:[SWGPet class]]);
    XCTAssertEqualObjects([result[@"pet"] _id], @119);
    
    // pure object
    result = [self.apiClient deserialize:@"" class:@"NSObject*"];
    
    XCTAssertTrue([result isKindOfClass:[NSObject class]]);
    
    // NSString
    data = @"test string";
    result = [self.apiClient deserialize:data class:@"NSString*"];
    
    XCTAssertTrue([result isKindOfClass:[NSString class]]);
}

@end