#import <XCTest/XCTest.h>
#import <SwaggerClient/SWGApiClient.h>
#import <SwaggerClient/SWGPetApi.h>

@interface PetApiTest : XCTestCase {
@private
    SWGPetApi * api;
}

@end

@implementation PetApiTest

- (void)setUp {
    [super setUp];
    api = [[SWGPetApi alloc ]init];
}

- (void)tearDown {
    [super tearDown];
}

- (void)testCreatePetApi {
    SWGPetApi *api1 = [[SWGPetApi alloc] init];
    SWGPetApi *api2 = [[SWGPetApi alloc] init];
    XCTAssertEqual(api1.apiClient, api2.apiClient);
    
    SWGApiClient *client = [[SWGApiClient alloc] init];
    SWGPetApi *api3 = [[SWGPetApi alloc] initWithApiClient:client];
    XCTAssertNotEqual(api1.apiClient, api3.apiClient);
}

- (void)testCreateAndGetPet {
    XCTestExpectation *expectation = [self expectationWithDescription:@"testGetPetById"];
    SWGPet* pet = [self createPet];

    [api addPetWithPet:pet completionHandler:^(NSError *error) {
        if(error){
            XCTFail(@"got error %@", error);
        }
        NSLog(@"%@", [pet _id]);
        [api getPetByIdWithPetId:[pet _id] completionHandler:^(SWGPet *output, NSError *error) {
            if(error){
                XCTFail(@"got error %@", error);
            }
            if(output){
                XCTAssertNotNil([output _id], @"token was nil");
                
                // test category of pet is correct
                XCTAssertEqualObjects(output.category._id, pet.category._id);
                XCTAssertEqualObjects(output.category.name, pet.category.name);
                
                // test tags of pet is correct
                XCTAssertTrue([output.tags isKindOfClass:[NSArray class]]);
                [pet.tags enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
                    SWGTag *foundTag = [[SWGTag alloc] init];
                    for (SWGTag *tag in output.tags) {
                        if ([tag _id] == [obj _id]) {
                            foundTag = tag;
                        }
                    }
                    XCTAssertNotNil(foundTag);
                    XCTAssertEqualObjects([foundTag _id], [obj _id]);
                    XCTAssertEqualObjects([foundTag name], [obj name]);
                }];
            }
            [expectation fulfill];
        }];
    }];
    [self waitForExpectationsWithTimeout:10.0 handler:nil];
}

- (void) testUpdatePet {
    XCTestExpectation *expectation = [self expectationWithDescription:@"testUpdatePet"];
    SWGPet* pet = [self createPet];

    [api addPetWithPet:pet completionHandler:^(NSError *error) {
        if(error) {
            XCTFail(@"got error %@", error);
        }
        else {
            [api getPetByIdWithPetId:[pet _id] completionHandler:^(SWGPet *output, NSError *error) {
                if(error) {
                    XCTFail(@"got error %@", error);
                }
                if(output == nil){
                    NSLog(@"failed to fetch pet");
                }
                else {
                    SWGPet* pet = [[SWGPet alloc] initWithDictionary:[output toDictionary] error:nil];
                    NSLog(@"got the pet");

                    [pet setName:@"programmer"];
                    [pet setStatus:@"confused"];

                    [api updatePetWithPet:pet
                                    completionHandler:^(NSError *error) {
                                        if(error) {
                                            XCTFail(@"got error %@", error);
                                        }
                                        [api getPetByIdWithPetId:[pet _id] completionHandler:^(SWGPet *output, NSError *error) {
                                            if(error) {
                                                XCTFail(@"got error %@", error);
                                            }
                                            if(output == nil){
                                                NSLog(@"failed to fetch pet");
                                            }
                                            else {
                                                SWGPet* pet = [[SWGPet alloc] initWithDictionary:[output toDictionary] error:nil];
                                                XCTAssertNotNil([pet _id], @"pet was nil");
                                                XCTAssertEqualObjects([pet name], @"programmer", @"pet name was not updated");
                                                XCTAssertEqualObjects([pet status], @"confused", @"pet status was not updated");
                                            }
                                            [expectation fulfill];

                                        }];
                                    }];
                }
            }];
        }
    }];
    [self waitForExpectationsWithTimeout:10.0 handler:nil];
}

/*
wing328@20151130: comment out the test case below as some data do not contain the 'name' attribute, 
which causes an exception when deserializing the data
 
- (void)testGetPetByStatus {
    XCTestExpectation *expectation = [self expectationWithDescription:@"testGetPetByStatus"];
    SWGPet* pet = [self createPet];

    [api addPetWithCompletionBlock:pet completionHandler:^(NSError *error) {
        if(error) {
            XCTFail(@"got error %@", error);
        }
        NSArray* status = [[NSArray alloc] initWithObjects:@"available", nil];
        [api findPetsByStatusWithCompletionBlock:status completionHandler:^(NSArray *output, NSError *error) {
            if(error) {
                XCTFail(@"got error %@", error);
            }
            if(output == nil){
                XCTFail(@"failed to fetch pets");
            }
            else {
                bool found = false;
                for(SWGPet* fetched in output) {
                    if([pet _id] == [fetched _id]) {
                        found = true;
                    }
                }
                if(found)
                    [expectation fulfill];
            }
        }];
    }];
    [self waitForExpectationsWithTimeout:10.0 handler:nil];
}
*/

- (void)testGetPetByTags {
    XCTestExpectation *expectation = [self expectationWithDescription:@"testGetPetByTags"];
    SWGPet* pet = [self createPet];
    SWGTag* tag = [[SWGTag alloc] init];
    tag.name = @"tony";
    NSLog(@"%@", pet._id);
    pet.tags = (id) @[tag];

    [api addPetWithPet:pet completionHandler:^(NSError *error) {
        if(error) {
            XCTFail(@"got error %@", error);
        }
        NSArray* tags = @[@"tony",@"tony2"];

        [api findPetsByTagsWithTags:tags completionHandler:^(NSArray *output, NSError *error) {
            if(error){
                XCTFail(@"got error %@", error);
            }
            if(output){
                bool hasTag = false;
                for(SWGPet * fetched in output) {
                    for(SWGTag * tag in [fetched tags]){
                        if(fetched._id == pet._id && [[tag name] isEqualToString:@"tony"])
                            hasTag = true;
                    }
                }
                if(!hasTag)
                    XCTFail(@"failed to find tag in pet");
                if(hasTag)
                    [expectation fulfill];
            }
        }];
    }];
    [self waitForExpectationsWithTimeout:10.0 handler:nil];
}

- (void)testDeletePet {
    XCTestExpectation *expectation = [self expectationWithDescription:@"testDeletePet"];

    SWGPet* pet = [self createPet];

    [api addPetWithPet:pet completionHandler:^(NSError *error) {
        if(error){
            XCTFail(@"got error %@", error);
        }
        [api deletePetWithPetId:pet._id apiKey:@"" completionHandler:^(NSError *error) {
            if(error){
                XCTFail(@"got error %@", error);
            }
            [api getPetByIdWithPetId:[pet _id] completionHandler:^(SWGPet *output, NSError *error) {
                if(error) {
                    // good
                    [expectation fulfill];

                }
                else {
                    XCTFail(@"expected a failure");
                }
            }];
        }];
    }];
    [self waitForExpectationsWithTimeout:10.0 handler:nil];
}

- (void)testUploadFileWithFormParameter {
    XCTestExpectation *expectation = [self expectationWithDescription:@"testUploadWithFileWithFormParameter"];
    
    NSURL *fileURL = [self createTempFile];
    
    [api uploadFileWithPetId:@1 additionalMetadata:@"special-metadata" file:fileURL completionHandler:^(NSError *error) {
        if(error) {
            // good
            XCTFail(@"expected a failure");
            
        }
        else {
            [expectation fulfill];
        }
    }];
    [self waitForExpectationsWithTimeout:10.0 handler:nil];
}

- (void)testUploadFile {
    XCTestExpectation *expectation = [self expectationWithDescription:@"testUploadFile"];
    
    NSURL *fileURL = [self createTempFile];
    
    [api uploadFileWithPetId:@1 additionalMetadata:nil file:fileURL completionHandler:^(NSError *error) {
        if (error) {
            XCTFail(@"expected a failure");
        }
        else {
            [expectation fulfill];
        }
    }];
    
    [self waitForExpectationsWithTimeout:10.0 handler:nil];
}

- (void)TestUploadWithoutFile {
    XCTestExpectation *expectation = [self expectationWithDescription:@"testUploadWithoutFile"];
    
    [api uploadFileWithPetId:@1 additionalMetadata:@"special-metadata" file:nil completionHandler:^(NSError *error) {
        if(error) {
            XCTFail(@"failed to upload");
            
        }
        else {
            [expectation fulfill];
        }
    }];
    [self waitForExpectationsWithTimeout:10.0 handler:nil];
}

- (SWGPet*) createPet {
    SWGPet * pet = [[SWGPet alloc] init];
    pet._id = @((long) [[NSDate date] timeIntervalSince1970]);
    pet.name = @"monkey";
    
    SWGCategory * category = [[SWGCategory alloc] init];
    category._id = [[NSNumber alloc] initWithInteger:arc4random_uniform(100000)];
    category.name = @"super-happy";
    pet.category = category;
    
    SWGTag *tag1 = [[SWGTag alloc] init];
    tag1._id = [[NSNumber alloc] initWithInteger:arc4random_uniform(100000)];
    tag1.name = @"test tag 1";
    SWGTag *tag2 = [[SWGTag alloc] init];
    tag2._id = [[NSNumber alloc] initWithInteger:arc4random_uniform(100000)];
    tag2.name = @"test tag 2";
    pet.tags = (NSArray<SWGTag> *) @[tag1, tag2];

    pet.status = @"available";

    NSArray * photos = @[@"http://foo.bar.com/3", @"http://foo.bar.com/4"];
    pet.photoUrls = photos;
    return pet;
}

- (NSURL *) createTempFile {
    NSString *filePath = [NSTemporaryDirectory() stringByAppendingPathComponent:[NSString stringWithFormat:@"%@", [[NSProcessInfo processInfo] globallyUniqueString]]];
    NSData *data = [@"test string" dataUsingEncoding:NSUTF8StringEncoding];
    [data writeToFile:filePath atomically:YES];
    
    return [NSURL fileURLWithPath:filePath];
}
@end
