问将代码块PineScript转换为thinkscript

EN

isAboveEma01 = line_01 > line_01[1] and line_01 > line_50 ? blue : line_01 > line_01[1] and line_01 < line_50 ? #cc00cc : line_01 < line_01[1] and line_01 > line_50 ? #0388FF : line_01 < line_01[1] and line_01 < line_50 ? #BD003A : na

line_01.AssignValueColor( 
if (line_01 >= line_01[1] and line_01 > line_50) then {
line_01.Color("PositiveUp") ;
} else if (line_01 >= line_01[1] and line_01 < line_50) then {
line_01.Color("PositiveDown");
} else if line_01 < line_01[1] and line_01 > line_50 then {
line_01.Color("NegativeUp");
}) else line_01.Color("NegativeDown");
);