package main

import "strconv"
import "testing"

// TO-DO: Replace the soft tabs with hard ones
// go test -v

type ME_Pair struct {
	Msg     string
	Expects string
}

func addMEPair(msgList []ME_Pair, msg string, expects string) []ME_Pair {
	return append(msgList, ME_Pair{msg, expects})
}

func TestBBCodeRender(t *testing.T) {
	//t.Skip()
	var res string
	var msgList []ME_Pair
	msgList = addMEPair(msgList, "hi", "hi")
	msgList = addMEPair(msgList, "😀", "😀")
	msgList = addMEPair(msgList, "[b]😀[/b]", "<b>😀</b>")
	msgList = addMEPair(msgList, "[b]😀😀😀[/b]", "<b>😀😀😀</b>")
	msgList = addMEPair(msgList, "[b]hi[/b]", "<b>hi</b>")
	msgList = addMEPair(msgList, "[u]hi[/u]", "<u>hi</u>")
	msgList = addMEPair(msgList, "[i]hi[/i]", "<i>hi</i>")
	msgList = addMEPair(msgList, "[s]hi[/s]", "<s>hi</s>")
	msgList = addMEPair(msgList, "[c]hi[/c]", "[c]hi[/c]")
	if !testing.Short() {
		msgList = addMEPair(msgList, "[b]hi[/i]", "[b]hi[/i]")
		msgList = addMEPair(msgList, "[/b]hi[b]", "[/b]hi[b]")
		msgList = addMEPair(msgList, "[/b]hi[/b]", "[/b]hi[/b]")
		msgList = addMEPair(msgList, "[b][b]hi[/b]", "<b>hi</b>")
	}
	msgList = addMEPair(msgList, "[b][b]hi", "[b][b]hi")
	msgList = addMEPair(msgList, "[b][b][b]hi", "[b][b][b]hi")
	msgList = addMEPair(msgList, "[/b]hi", "[/b]hi")
	msgList = addMEPair(msgList, "[code]hi[/code]", "<span class='codequotes'>hi</span>")
	msgList = addMEPair(msgList, "[code][b]hi[/b][/code]", "<span class='codequotes'>[b]hi[/b]</span>")
	msgList = addMEPair(msgList, "[code][b]hi[/code][/b]", "<span class='codequotes'>[b]hi</span>[/b]")
	msgList = addMEPair(msgList, "[quote]hi[/quote]", "<span class='postQuote'>hi</span>")
	msgList = addMEPair(msgList, "[quote][b]hi[/b][/quote]", "<span class='postQuote'><b>hi</b></span>")
	msgList = addMEPair(msgList, "[quote][b]h[/b][/quote]", "<span class='postQuote'><b>h</b></span>")
	msgList = addMEPair(msgList, "[quote][b][/b][/quote]", "<span class='postQuote'><b></b></span>")

	t.Log("Testing bbcodeFullParse")
	for _, item := range msgList {
		t.Log("Testing string '" + item.Msg + "'")
		res = bbcodeFullParse(item.Msg)
		if res != item.Expects {
			t.Error("Bad output:", "'"+res+"'")
			t.Error("Expected:", item.Expects)
		}
	}

	var msg, expects string
	var err error

	msg = "[rand][/rand]"
	expects = "<span style='color: red;'>[Invalid Number]</span>[rand][/rand]"
	t.Log("Testing string '" + msg + "'")
	res = bbcodeFullParse(msg)
	if res != expects {
		t.Error("Bad output:", "'"+res+"'")
		t.Error("Expected:", expects)
	}

	msg = "[rand]-1[/rand]"
	expects = "<span style='color: red;'>[No Negative Numbers]</span>[rand]-1[/rand]"
	t.Log("Testing string '" + msg + "'")
	res = bbcodeFullParse(msg)
	if res != expects {
		t.Error("Bad output:", "'"+res+"'")
		t.Error("Expected:", expects)
	}

	msg = "[rand]-01[/rand]"
	expects = "<span style='color: red;'>[No Negative Numbers]</span>[rand]-01[/rand]"
	t.Log("Testing string '" + msg + "'")
	res = bbcodeFullParse(msg)
	if res != expects {
		t.Error("Bad output:", "'"+res+"'")
		t.Error("Expected:", expects)
	}

	msg = "[rand]NaN[/rand]"
	expects = "<span style='color: red;'>[Invalid Number]</span>[rand]NaN[/rand]"
	t.Log("Testing string '" + msg + "'")
	res = bbcodeFullParse(msg)
	if res != expects {
		t.Error("Bad output:", "'"+res+"'")
		t.Error("Expected:", expects)
	}

	msg = "[rand]Inf[/rand]"
	expects = "<span style='color: red;'>[Invalid Number]</span>[rand]Inf[/rand]"
	t.Log("Testing string '" + msg + "'")
	res = bbcodeFullParse(msg)
	if res != expects {
		t.Error("Bad output:", "'"+res+"'")
		t.Error("Expected:", expects)
	}

	msg = "[rand]+[/rand]"
	expects = "<span style='color: red;'>[Invalid Number]</span>[rand]+[/rand]"
	t.Log("Testing string '" + msg + "'")
	res = bbcodeFullParse(msg)
	if res != expects {
		t.Error("Bad output:", "'"+res+"'")
		t.Error("Expected:", expects)
	}

	msg = "[rand]1+1[/rand]"
	expects = "<span style='color: red;'>[Invalid Number]</span>[rand]1+1[/rand]"
	t.Log("Testing string '" + msg + "'")
	res = bbcodeFullParse(msg)
	if res != expects {
		t.Error("Bad output:", "'"+res+"'")
		t.Error("Expected:", expects)
	}

	var conv int
	msg = "[rand]1[/rand]"
	t.Log("Testing string '" + msg + "'")
	res = bbcodeFullParse(msg)
	conv, err = strconv.Atoi(res)
	if err != nil || (conv > 1 || conv < 0) {
		t.Error("Bad output:", "'"+res+"'")
		t.Error("Expected a number in the range 0-1")
	}

	msg = "[rand]0[/rand]"
	t.Log("Testing string '" + msg + "'")
	res = bbcodeFullParse(msg)
	conv, err = strconv.Atoi(res)
	if err != nil || conv != 0 {
		t.Error("Bad output:", "'"+res+"'")
		t.Error("Expected the number 0")
	}

	msg = "[rand]2147483647[/rand]" // Signed 32-bit MAX
	t.Log("Testing string '" + msg + "'")
	res = bbcodeFullParse(msg)
	conv, err = strconv.Atoi(res)
	if err != nil || (conv > 2147483647 || conv < 0) {
		t.Error("Bad output:", "'"+res+"'")
		t.Error("Expected a number between 0 and 2147483647")
	}

	msg = "[rand]9223372036854775807[/rand]" // Signed 64-bit MAX
	t.Log("Testing string '" + msg + "'")
	res = bbcodeFullParse(msg)
	conv, err = strconv.Atoi(res)
	if err != nil || (conv > 9223372036854775807 || conv < 0) {
		t.Error("Bad output:", "'"+res+"'")
		t.Error("Expected a number between 0 and 9223372036854775807")
	}

	// Note: conv is commented out in these two, as these numbers overflow int
	msg = "[rand]18446744073709551615[/rand]" // Unsigned 64-bit MAX
	t.Log("Testing string '" + msg + "'")
	res = bbcodeFullParse(msg)
	conv, err = strconv.Atoi(res)
	if err != nil || ( /*conv > 18446744073709551615 || */ conv < 0) {
		t.Error("Bad output:", "'"+res+"'")
		t.Error("Expected a number between 0 and 18446744073709551615")
	}
	msg = "[rand]170141183460469231731687303715884105727[/rand]" // Signed 128-bit MAX
	t.Log("Testing string '" + msg + "'")
	res = bbcodeFullParse(msg)
	conv, err = strconv.Atoi(res)
	if err != nil || ( /*conv > 170141183460469231731687303715884105727 || */ conv < 0) {
		t.Error("Bad output:", "'"+res+"'")
		t.Error("Expected a number between 0 and 170141183460469231731687303715884105727")
	}

	t.Log("Testing bbcode_regex_parse")
	for _, item := range msgList {
		t.Log("Testing string '" + item.Msg + "'")
		res = bbcodeRegexParse(item.Msg)
		if res != item.Expects {
			t.Error("Bad output:", "'"+res+"'")
			t.Error("Expected:", item.Expects)
		}
	}
}

func TestMarkdownRender(t *testing.T) {
	//t.Skip()
	var res string
	var msgList []ME_Pair
	msgList = addMEPair(msgList, "hi", "hi")
	msgList = addMEPair(msgList, "**hi**", "<b>hi</b>")
	msgList = addMEPair(msgList, "_hi_", "<u>hi</u>")
	msgList = addMEPair(msgList, "*hi*", "<i>hi</i>")
	msgList = addMEPair(msgList, "~hi~", "<s>hi</s>")
	msgList = addMEPair(msgList, "*hi**", "<i>hi</i>*")
	msgList = addMEPair(msgList, "**hi***", "<b>hi</b>*")
	msgList = addMEPair(msgList, "**hi*", "*<i>hi</i>")
	msgList = addMEPair(msgList, "***hi***", "*<b><i>hi</i></b>")
	msgList = addMEPair(msgList, "\\*hi\\*", "*hi*")
	msgList = addMEPair(msgList, "*~hi~*", "<i><s>hi</s></i>")
	msgList = addMEPair(msgList, "**", "**")
	msgList = addMEPair(msgList, "***", "***")
	msgList = addMEPair(msgList, "****", "****")
	msgList = addMEPair(msgList, "*****", "*****")
	msgList = addMEPair(msgList, "******", "******")
	msgList = addMEPair(msgList, "*******", "*******")
	msgList = addMEPair(msgList, "~~", "~~")
	msgList = addMEPair(msgList, "~~~", "~~~")
	msgList = addMEPair(msgList, "~~~~", "~~~~")
	msgList = addMEPair(msgList, "~~~~~", "~~~~~")
	msgList = addMEPair(msgList, "__", "__")
	msgList = addMEPair(msgList, "___", "___")
	msgList = addMEPair(msgList, "_ _", "<u> </u>")
	msgList = addMEPair(msgList, "* *", "<i> </i>")
	msgList = addMEPair(msgList, "** **", "<b> </b>")
	msgList = addMEPair(msgList, "*** ***", "<b><i> </i></b>")

	for _, item := range msgList {
		t.Log("Testing string '" + item.Msg + "'")
		res = markdownParse(item.Msg)
		if res != item.Expects {
			t.Error("Bad output:", "'"+res+"'")
			t.Error("Expected:", item.Expects)
		}
	}
}