//
//  ExtractDataTests.m
//  UnzipKit
//
//  Created by Dov Frankel on 7/16/15.
//  Copyright (c) 2015 Abbey Code. All rights reserved.
//

#import "UZKArchiveTestCase.h"
#import "UnzipKit.h"
#import "UnzipKitMacros.h"

@interface ExtractDataTests : UZKArchiveTestCase
@end

@implementation ExtractDataTests


- (void)testExtractData
{
    NSArray *testArchives = @[@"Test Archive.zip",
                              @"Test Archive (Password).zip"];
    
    NSSet *expectedFileSet = self.nonZipTestFilePaths;
    NSArray *expectedFiles = [expectedFileSet.allObjects sortedArrayUsingSelector:@selector(compare:)];
    
    for (NSString *testArchiveName in testArchives) {
        
        NSURL *testArchiveURL = self.testFileURLs[testArchiveName];
        NSString *password = ([testArchiveName rangeOfString:@"Password"].location != NSNotFound
                              ? @"password"
                              : nil);
        UZKArchive *archive = [[UZKArchive alloc] initWithURL:testArchiveURL password:password error:nil];
        
        NSError *error = nil;
        NSArray *fileInfos = [archive listFileInfo:&error];
        XCTAssertNil(error, @"Error reading file info");
        
        for (NSUInteger i = 0; i < expectedFiles.count; i++) {
            NSString *expectedFilename = expectedFiles[i];
            
            NSError *error = nil;
            NSData *extractedData = [archive extractDataFromFile:expectedFilename
                                                           error:&error];
            
            XCTAssertNil(error, @"Error in extractData:error:");
            
            NSData *expectedFileData = [NSData dataWithContentsOfURL:self.testFileURLs[expectedFilename]];
            
            XCTAssertNotNil(extractedData, @"No data extracted (%@)", testArchiveName);
            XCTAssertTrue([expectedFileData isEqualToData:extractedData], @"Extracted data doesn't match original file (%@)", testArchiveName);
            
            error = nil;
            NSData *dataFromFileInfo = [archive extractData:fileInfos[i]
                                                      error:&error];
            XCTAssertNil(error, @"Error extracting data by file info (%@)", testArchiveName);
            XCTAssertTrue([expectedFileData isEqualToData:dataFromFileInfo], @"Extracted data from file info doesn't match original file (%@)", testArchiveName);
        }
    }
}

- (void)testExtractData_Unicode
{
    NSSet *expectedFileSet = self.nonZipUnicodeFilePaths;
    NSArray *expectedFiles = [expectedFileSet.allObjects sortedArrayUsingSelector:@selector(compare:)];
    
    NSURL *testArchiveURL = self.unicodeFileURLs[@"Ⓣest Ⓐrchive.zip"];
    UZKArchive *archive = [[UZKArchive alloc] initWithURL:testArchiveURL error:nil];
    
    NSError *error = nil;
    NSArray *fileInfos = [archive listFileInfo:&error];
    XCTAssertNil(error, @"Error reading file info");
    
    for (NSUInteger i = 0; i < expectedFiles.count; i++) {
        NSString *expectedFilename = expectedFiles[i];
        
        NSError *error = nil;
        NSData *extractedData = [archive extractDataFromFile:expectedFilename
                                                       error:&error];
        
        XCTAssertNil(error, @"Error in extractData:error:");
        
        NSData *expectedFileData = [NSData dataWithContentsOfURL:self.unicodeFileURLs[expectedFilename]];
        
        XCTAssertNotNil(extractedData, @"No data extracted");
        XCTAssertTrue([expectedFileData isEqualToData:extractedData], @"Extracted data doesn't match original file (%@)", expectedFilename);
        
        error = nil;
        NSData *dataFromFileInfo = [archive extractData:fileInfos[i]
                                                  error:&error];
        XCTAssertNil(error, @"Error extracting data by file info");
        XCTAssertTrue([expectedFileData isEqualToData:dataFromFileInfo], @"Extracted data from file info doesn't match original file (%@)", expectedFilename);
    }
}

- (void)testExtractData_NoPassword
{
    NSArray *testArchives = @[@"Test Archive (Password).zip"];
    
    for (NSString *testArchiveName in testArchives) {
        UZKArchive *archive = [[UZKArchive alloc] initWithURL:self.testFileURLs[testArchiveName] error:nil];
        
        NSError *error = nil;
        NSData *data = [archive extractDataFromFile:@"Test File A.txt"
                                              error:&error];
        
        XCTAssertNotNil(error, @"Extract data without password succeeded");
        XCTAssertNil(data, @"Data returned without password");
        XCTAssertEqual(error.code, UZKErrorCodeInvalidPassword, @"Unexpected error code returned");
    }
}

- (void)testExtractData_InvalidArchive
{
    UZKArchive *archive = [[UZKArchive alloc] initWithURL:self.testFileURLs[@"Test File A.txt"] error:nil];
    
    NSError *error = nil;
    NSData *data = [archive extractDataFromFile:@"Any file.txt"
                                          error:&error];
    
    XCTAssertNotNil(error, @"Extract data for invalid archive succeeded");
    XCTAssertNil(data, @"Data returned for invalid archive");
    XCTAssertEqual(error.code, UZKErrorCodeBadZipFile, @"Unexpected error code returned");
}


@end