from flask import Flask, request, render_template
app = Flask(__name__, template_folder=' templates')

class check:
    def check(code):
        #some inits
        #================================

        result = ""


        lines = code.split('\n')
        # \r is in end of each line. broken af.
        for i in range(len(lines)):
            lines[i] = lines[i][:len(lines[i])-1] #takes out last 2


        comma = ',r ,s ,t ,u ,v ,w ,x ,y ,z ,@ ,0 ,1 ,2 ,3 ,4 ,5 ,6 ,7 ,8 ,9'
        comma += ',a ,b ,c ,d ,e ,f ,g ,h ,i ,j ,k ,l ,m ,n ,o ,p ,q'
        comma = comma.split(' ')
        codeseg = {
            "parts":["; --------------------------","; Your code here"],
            "location":0
        }
        dataseg = ["; --------------------------","; Your variables here"],



        #================================

        #result += ("'your variables here' comment missing / is not in the right place.<br /> ")

        for i in range(len(lines)):
            if lines[i] == "":
                result += (f'line {i+1} is empty<br />')

            for form in comma:
                if form in lines[i]:
                    result += (f'need space after comma in line {i+1}<br />')

            #Checks for CODESEG  so I could know where it is at

            if lines[i] == "CODESEG":
                codeseg["location"] = i

        if not (lines[0][0] == ';'):
            result += ("Name not in first line.<br />")

        if not ((lines[codeseg["location"]+4] == lines[codeseg["location"]+6] == codeseg["parts"][0]) & (lines[codeseg["location"]+5] == codeseg["parts"][1])):
            result += ("'your code here' comment missing / is not in the right place.<br />")

        if not "Name not in first line.<br />" in result:
            if not ((lines[5] == lines[7] == dataseg[0]) & (lines[6] == dataseg[1])):
                result += ("'your variables here' comment missing / is not in the right place.<br />")
        else:
            if not ((lines[4] == lines[6] == dataseg[0]) & (lines[5] == dataseg[1])):
                result += ("'your variables here' comment missing / is not in the right place.<br />")

        if result != "":
            result += 'see <a herf="http://bit.ly/baseASM"> the instructions of writing in base format</a>'

        return(result)


@app.route("/send", methods=["GET", "POST"])
def send():
    if request.method == "POST":
        code = request.form["code"]

        return render_template("code.html", ERRS=check.check(code))

    return render_template("index.html")

if __name__ == "__main__":
    app.run()