package nomino

import "fmt"

func ExampleWithGenerator_custom_generator() {
	gen := func(*Config) (string, error) {
		return "hello", nil
	}
	option := WithGenerator(gen)

	str, _ := Make(NewConfig(option))
	fmt.Println(str)

	str, _ = Make(NewConfig(option, WithoutExtension()))
	fmt.Println(str)

	// Output:
	// hello.txt
	// hello
}

func ExampleIncremental() {
	conf := NewConfig(WithPrefix("foo"), WithGenerator(Incremental()))

	str, _ := Make(conf)
	fmt.Println(str)

	str, _ = Make(conf)
	fmt.Println(str)

	str, _ = Make(conf)
	fmt.Println(str)

	// Output:
	// foo_0.txt
	// foo_1.txt
	// foo_2.txt
}

func ExampleIncrementalWithStart() {
	conf := NewConfig(WithPrefix("foo"), WithGenerator(IncrementalWithStart(42)))

	str, _ := Make(conf)
	fmt.Println(str)

	str, _ = Make(conf)
	fmt.Println(str)

	str, _ = Make(conf)
	fmt.Println(str)

	// Output:
	// foo_42.txt
	// foo_43.txt
	// foo_44.txt
}

func ExampleIncrementalWithStep() {
	conf := NewConfig(WithPrefix("foo"), WithGenerator(IncrementalWithStep(2)))

	str, _ := Make(conf)
	fmt.Println(str)

	str, _ = Make(conf)
	fmt.Println(str)

	str, _ = Make(conf)
	fmt.Println(str)

	// Output:
	// foo_0.txt
	// foo_2.txt
	// foo_4.txt
}

func ExampleIncrementalWithStartAndStep() {
	conf := NewConfig(WithPrefix("foo"), WithGenerator(IncrementalWithStartAndStep(42, 2)))

	str, _ := Make(conf)
	fmt.Println(str)

	str, _ = Make(conf)
	fmt.Println(str)

	str, _ = Make(conf)
	fmt.Println(str)

	// Output:
	// foo_42.txt
	// foo_44.txt
	// foo_46.txt
}