package main

import "strconv"
import "testing"

// go test -v

type MEPair struct {
	Msg     string
	Expects string
}

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

func TestBBCodeRender(t *testing.T) {
	//t.Skip()
	err := initBbcode()
	if err != nil {
		t.Fatal(err)
	}

	var res string
	var msgList []MEPair
	msgList = addMEPair(msgList, "", "")
	msgList = addMEPair(msgList, " ", " ")
	msgList = addMEPair(msgList, "  ", "  ")
	msgList = addMEPair(msgList, "   ", "   ")
	msgList = addMEPair(msgList, "[b]", "<b></b>")
	msgList = addMEPair(msgList, "[b][/b]", "<b></b>")
	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>")
	msgList = addMEPair(msgList, "-你好-", "-你好-")
	msgList = addMEPair(msgList, "[i]-你好-[/i]", "<i>-你好-</i>") // TODO: More of these Unicode tests? Emoji, Chinese, etc.?

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

	var msg string
	var expects string

	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)
	_, err = strconv.Atoi(res)
	if err != nil && res != "<span style='color: red;'>[Invalid Number]</span>[rand]18446744073709551615[/rand]" {
		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)
	_, err = strconv.Atoi(res)
	if err != nil && res != "<span style='color: red;'>[Invalid Number]</span>[rand]170141183460469231731687303715884105727[/rand]" {
		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()
	err := initMarkdown()
	if err != nil {
		t.Fatal(err)
	}

	var res string
	var msgList []MEPair
	msgList = addMEPair(msgList, "", "")
	msgList = addMEPair(msgList, " ", " ")
	msgList = addMEPair(msgList, "  ", "  ")
	msgList = addMEPair(msgList, "   ", "   ")
	msgList = addMEPair(msgList, "\t", "\t")
	msgList = addMEPair(msgList, "\n", "\n")
	msgList = addMEPair(msgList, "*", "*")
	msgList = addMEPair(msgList, "**", "<i></i>")
	msgList = addMEPair(msgList, "h", "h")
	msgList = addMEPair(msgList, "hi", "hi")
	msgList = addMEPair(msgList, "**h**", "<b>h</b>")
	msgList = addMEPair(msgList, "**hi**", "<b>hi</b>")
	msgList = addMEPair(msgList, "_h_", "<u>h</u>")
	msgList = addMEPair(msgList, "_hi_", "<u>hi</u>")
	msgList = addMEPair(msgList, "*h*", "<i>h</i>")
	msgList = addMEPair(msgList, "*hi*", "<i>hi</i>")
	msgList = addMEPair(msgList, "~h~", "<s>h</s>")
	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, "***h***", "<b><i>h</i></b>")
	msgList = addMEPair(msgList, "\\***h**\\*", "*<b>h</b>*")
	msgList = addMEPair(msgList, "\\*\\**h*\\*\\*", "**<i>h</i>**")
	msgList = addMEPair(msgList, "\\*hi\\*", "*hi*")
	msgList = addMEPair(msgList, "d\\*hi\\*", "d*hi*")
	msgList = addMEPair(msgList, "\\*hi\\*d", "*hi*d")
	msgList = addMEPair(msgList, "d\\*hi\\*d", "d*hi*d")
	msgList = addMEPair(msgList, "\\", "\\")
	msgList = addMEPair(msgList, "\\\\", "\\\\")
	msgList = addMEPair(msgList, "\\d", "\\d")
	msgList = addMEPair(msgList, "\\\\d", "\\\\d")
	msgList = addMEPair(msgList, "\\\\\\d", "\\\\\\d")
	msgList = addMEPair(msgList, "d\\", "d\\")
	msgList = addMEPair(msgList, "\\d\\", "\\d\\")
	msgList = addMEPair(msgList, "*_hi_*", "<i><u>hi</u></i>")
	msgList = addMEPair(msgList, "*~hi~*", "<i><s>hi</s></i>")
	msgList = addMEPair(msgList, "~*hi*~", "<s><i>hi</i></s>")
	msgList = addMEPair(msgList, "~ *hi* ~", "<s> <i>hi</i> </s>")
	msgList = addMEPair(msgList, "_~hi~_", "<u><s>hi</s></u>")
	msgList = addMEPair(msgList, "***~hi~***", "<b><i><s>hi</s></i></b>")
	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>")
	msgList = addMEPair(msgList, "-你好-", "-你好-")
	msgList = addMEPair(msgList, "*-你好-*", "<i>-你好-</i>") // TODO: More of these Unicode tests? Emoji, Chinese, etc.?

	for _, item := range msgList {
		res = markdownParse(item.Msg)
		if res != item.Expects {
			t.Error("Testing string '" + item.Msg + "'")
			t.Error("Bad output:", "'"+res+"'")
			//t.Error("Ouput in bytes:", []byte(res))
			t.Error("Expected:", "'"+item.Expects+"'")
		}
	}

	/*for _, item := range msgList {
		res = markdownParse("\n" + item.Msg)
		if res != "\n"+item.Expects {
			t.Error("Testing string '\n" + item.Msg + "'")
			t.Error("Bad output:", "'"+res+"'")
			//t.Error("Ouput in bytes:", []byte(res))
			t.Error("Expected:", "'\n"+item.Expects+"'")
		}
	}

	for _, item := range msgList {
		res = markdownParse("\t" + item.Msg)
		if res != "\t"+item.Expects {
			t.Error("Testing string '\t" + item.Msg + "'")
			t.Error("Bad output:", "'"+res+"'")
			//t.Error("Ouput in bytes:", []byte(res))
			t.Error("Expected:", "'\t"+item.Expects+"'")
		}
	}*/

	for _, item := range msgList {
		res = markdownParse("d" + item.Msg)
		if res != "d"+item.Expects {
			t.Error("Testing string 'd" + item.Msg + "'")
			t.Error("Bad output:", "'"+res+"'")
			//t.Error("Ouput in bytes:", []byte(res))
			t.Error("Expected:", "'d"+item.Expects+"'")
		}
	}

	// TODO: Write suffix tests and double string tests
	// TODO: Write similar prefix, suffix, and double string tests for plugin_bbcode. Ditto for the outer parser along with suitable tests for that like making sure the URL parser and media embedder works.
}