package goutils

import (
"testing"
"fmt"
)

// ****************************** TESTS ********************************************

func TestWrapNormalWord(t *testing.T) {

	in := "Bob Manuel Bob Manuel"
	out := "Bob Manuel\nBob Manuel"
	wrapLength := 10

	if x := Wrap(in, wrapLength); x != out {
		t.Errorf("Wrap(%v) = %v, want %v", in, x, out)
	}
}


func TestWrapCustomLongWordFalse(t *testing.T) {

	in := "BobManuelBob Bob"
	out := "BobManuelBob<br\\>Bob"
	wrapLength := 10
	newLineStr := "<br\\>"
	wrapLongWords := false

	if x := WrapCustom(in, wrapLength, newLineStr, wrapLongWords); x != out {
		t.Errorf("Wrap(%v) = %v, want %v", in, x, out)
	}
}


func TestWrapCustomLongWordTrue(t *testing.T) {

	in := "BobManuelBob Bob"
	out := "BobManuelB<br\\>ob Bob"
	wrapLength := 10
	newLineStr := "<br\\>"
	wrapLongWords := true

	if x := WrapCustom(in, wrapLength, newLineStr, wrapLongWords); x != out {
		t.Errorf("WrapCustom(%v) = %v, want %v", in, x, out)
	}
}


func TestCapitalize(t *testing.T) {


	// Test 1: Checks if function works with 1 parameter, and default whitespace delimiter
	in := "test is going.well.thank.you.for inquiring" 
	out := "Test Is Going.well.thank.you.for Inquiring" 

	if x := Capitalize(in); x != out {
		t.Errorf("Capitalize(%v) = %v, want %v", in, x, out)
	}


	// Test 2: Checks if function works with both parameters, with param 2 containing whitespace and '.'
	out = "Test Is Going.Well.Thank.You.For Inquiring" 	
	delimiters := []rune{' ', '.'} 

	if x := Capitalize(in, delimiters...); x != out {
		t.Errorf("Capitalize(%v) = %v, want %v", in, x, out)
	}
}



func TestCapitalizeFully(t *testing.T) {

	// Test 1
	in := "tEsT iS goiNG.wELL.tHaNk.yOU.for inqUIrING" 
	out := "Test Is Going.well.thank.you.for Inquiring" 

	if x := CapitalizeFully(in); x != out {
		t.Errorf("CapitalizeFully(%v) = %v, want %v", in, x, out)
	}


	// Test 2
	out = "Test Is Going.Well.Thank.You.For Inquiring"	
	delimiters := []rune{' ', '.'} 

	if x := CapitalizeFully(in, delimiters...); x != out {
		t.Errorf("CapitalizeFully(%v) = %v, want %v", in, x, out)
	}
}


func TestUncapitalize(t *testing.T) {

	// Test 1: Checks if function works with 1 parameter, and default whitespace delimiter
	in := "This Is A.Test" 
	out := "this is a.Test" 

	if x := Uncapitalize(in); x != out {
		t.Errorf("Uncapitalize(%v) = %v, want %v", in, x, out)
	}

	// Test 2: Checks if function works with both parameters, with param 2 containing whitespace and '.'
	out = "this is a.test" 
	delimiters := []rune{' ', '.'} 

	if x := Uncapitalize(in, delimiters...); x != out {
		t.Errorf("Uncapitalize(%v) = %v, want %v", in, x, out)
	}
}


func TestSwapCase(t *testing.T) {

	in := "This Is A.Test" 
	out := "tHIS iS a.tEST" 

	if x := SwapCase(in); x != out {
		t.Errorf("SwapCase(%v) = %v, want %v", in, x, out)
	}
}


func TestInitials(t *testing.T) {

	// Test 1
	in := "John Doe.Ray" 
	out := "JD" 

	if x := Initials(in); x != out {
		t.Errorf("Initials(%v) = %v, want %v", in, x, out)
	}


	// Test 2
	out = "JDR" 
	delimiters := []rune{' ','.'}

	if x := Initials(in, delimiters...); x != out {
		t.Errorf("Initials(%v) = %v, want %v", in, x, out)
	}

}





// ****************************** EXAMPLES ********************************************

func ExampleWrap() {

	in := "Bob Manuel Bob Manuel" 
	wrapLength := 10

	fmt.Println (Wrap(in, wrapLength))
	// Output: 
	// Bob Manuel
	// Bob Manuel
}


func ExampleWrapCustom_1() {

	in := "BobManuelBob Bob"
	wrapLength := 10
	newLineStr := "<br\\>"
	wrapLongWords := false

	fmt.Println (WrapCustom(in, wrapLength, newLineStr, wrapLongWords))
	// Output: 
	// BobManuelBob<br\>Bob
}


func ExampleWrapCustom_2() {

	in := "BobManuelBob Bob"
	wrapLength := 10
	newLineStr := "<br\\>"
	wrapLongWords := true

	fmt.Println (WrapCustom(in, wrapLength, newLineStr, wrapLongWords))
	// Output: 
	// BobManuelB<br\>ob Bob
}



func ExampleCapitalize() {

	in := "test is going.well.thank.you.for inquiring" // Compare input to CapitalizeFully example
	delimiters := []rune{' ', '.'} 

	fmt.Println (Capitalize(in))
	fmt.Println (Capitalize(in, delimiters...))
	// Output:
	// Test Is Going.well.thank.you.for Inquiring
	// Test Is Going.Well.Thank.You.For Inquiring 	
}



func ExampleCapitalizeFully() {


	in := "tEsT iS goiNG.wELL.tHaNk.yOU.for inqUIrING"  // Notice scattered capitalization
	delimiters := []rune{' ', '.'} 

	fmt.Println (CapitalizeFully(in))
	fmt.Println (CapitalizeFully(in, delimiters...))
	// Output:
	// Test Is Going.well.thank.you.for Inquiring
	// Test Is Going.Well.Thank.You.For Inquiring 	
}


func ExampleUncapitalize() {

	in := "This Is A.Test" 
	delimiters := []rune{' ', '.'} 

	fmt.Println (Uncapitalize(in))
	fmt.Println (Uncapitalize(in, delimiters...))
	// Output:
	// this is a.Test
	// this is a.test	
}


func ExampleSwapCase() {

	in := "This Is A.Test" 
	fmt.Println (SwapCase(in))
	// Output:
	// tHIS iS a.tEST
}


func ExampleInitials() {

	in := "John Doe.Ray" 
	delimiters := []rune{' ','.'}

	fmt.Println (Initials(in))
	fmt.Println (Initials(in, delimiters...))
	// Output:
	// JD
	// JDR
}