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import XCTest
@testable import TITextProcessing

final class TITextProcessingTests: XCTestCase {
    
    func testDateRegex() {
        // given
        let regex = "(\\d{2})\\/?(\\d{2})"
        let inputText = "1525"
        let formatter = TextFormatter(regex: regex)
        
        // when
        let regexReplacement = formatter.getRegexReplacement()
        let regexPlaceholder = formatter.getRegexPlaceholder()
        let formattedText = formatter.getFormattedText(inputText)
        
        // then
        XCTAssertEqual(regexReplacement, "$1\\/$2")
        XCTAssertEqual(regexPlaceholder, "12/34")
        XCTAssertEqual(formattedText, "15/25")
    }

    func testCardNumberRegex() {
        // given
        let regex = "(\\d{4}) ?(\\d{4}) ?(\\d{4}) ?(\\d{4})"
        let inputText = "2200111555550080"
        let formatter = TextFormatter(regex: regex)
        
        // when
        let regexReplacement = formatter.getRegexReplacement()
        let regexPlaceholder = formatter.getRegexPlaceholder()
        let formattedText = formatter.getFormattedText(inputText)
        
        // then
        XCTAssertEqual(regexReplacement, "$1 $2 $3 $4")
        XCTAssertEqual(regexPlaceholder, "1234 5678 9012 3456")
        XCTAssertEqual(formattedText, "2200 1115 5555 0080")
    }
    
    func testPhoneNumberRegex() {
        // given
        let regex = "(?:\\+7 )?\\(?(\\d{3})\\)? ?(\\d{3}) ?(\\d{2}) ?(\\d{2})"
        let inputText = "9995534820"
        let formatter = TextFormatter(regex: regex)
        
        // when
        let regexReplacement = formatter.getRegexReplacement()
        let regexPlaceholder = formatter.getRegexPlaceholder()
        let formattedText = formatter.getFormattedText(inputText)
        
        // then
        XCTAssertEqual(regexReplacement, "\\+7 \\($1\\) $2 $3 $4")
        XCTAssertEqual(regexPlaceholder, "+7 (123) 456 78 90")
        XCTAssertEqual(formattedText, "+7 (999) 553 48 20")
    }
    
    func testBirthdayCertificateRegex() {
        // given
        let regex = "([A-Z]{2})-?([А-Я]{2}) ?№? ?(\\d{6})"
        let inputText = "ABЮЯ689323"
        let formatter = TextFormatter(regex: regex)

        // when
        let regexReplacement = formatter.getRegexReplacement()
        let regexPlaceholder = formatter.getRegexPlaceholder()
        let formattedText = formatter.getFormattedText(inputText)

        // then
        XCTAssertEqual(regexReplacement, "$1-$2 № $3")
        XCTAssertEqual(regexPlaceholder, "AB-АБ № 123456")
        XCTAssertEqual(formattedText, "AB-ЮЯ № 689323")
    }
    
    func testRoubleSumRegex() {
        // given
        let regex = "(\\d+)([.,]\\d{1,2})? ?₽?"
        let inputText = "5332.4"
        let formatter = TextFormatter(regex: regex)
        
        // when
        let regexReplacement = formatter.getRegexReplacement()
        let regexPlaceholder = formatter.getRegexPlaceholder()
        let formattedText = formatter.getFormattedText(inputText)
        
        // then
        XCTAssertEqual(regexReplacement, "$1$2 ₽")
        XCTAssertEqual(regexPlaceholder, "12345.67 ₽")
        XCTAssertEqual(formattedText, "5332.4 ₽")
    }
    
    func testSurnameRegex() {
        // given
        let regex = "([А-я]+)"
        let inputText = "Иванов"
        let formatter = TextFormatter(regex: regex)
        
        // when
        let regexReplacement = formatter.getRegexReplacement()
        let regexPlaceholder = formatter.getRegexPlaceholder()
        let formattedText = formatter.getFormattedText(inputText)
        
        // then
        XCTAssertEqual(regexReplacement, "$1")
        XCTAssertEqual(regexPlaceholder, "АБВГД")
        XCTAssertEqual(formattedText, "Иванов")
    }
    
    func testEmailRegex() {
        // given
        let regex = "([A-z0-9._%+-]+)@([A-z0-9.-]+)\\.([A-z]{2,})"
        let inputText = "test@test.com"
        let formatter = TextFormatter(regex: regex)

        // when
        let regexReplacement = formatter.getRegexReplacement()
        let regexPlaceholder = formatter.getRegexPlaceholder()
        let formattedText = formatter.getFormattedText(inputText)
        
        // then
        XCTAssertEqual(regexReplacement, "$1@$2\\.$3")
        XCTAssertEqual(regexPlaceholder, "ABCDE@ABCDE.AB")
        XCTAssertEqual(formattedText, "test@test.com")
    }
}