import re
import datetime
import glob, os
from bs4 import BeautifulSoup

def tag_content_all(content,tag_to_search):
    #returns content of EVERY tag matching the criteria
    html_soup = BeautifulSoup(content,'html.parser')
    tag_list=[]
    for tag in html_soup.find_all(re.compile(tag_to_search)):
        tag_list.append(tag)
    return tag_list


def tag_content_precise(content,tag_to_search,class_name):
    #returns content of the tag matching the class-name (the used ones are all unique in these files)
    html_soup = BeautifulSoup(content,'html.parser')
    tag_content = html_soup.find_all(tag_to_search,class_=class_name)
    return tag_content


##Load local *.htm file in a list
os.chdir("Klasse")
aktuellerplan_list = []
for file in sorted(glob.glob("*00*.htm")):
    with open(file,"r") as f:
        aktuellerplan_list.append("".join(f.readlines()))


##Get style-sheet:
style_old = str(tag_content_all(aktuellerplan_list[0],"style")[0])
style_old = style_old.replace("fad3a6","ffffff")
style_old = style_old.replace("fdecd9","e3e3e3")
#replaces bg-colors for the table
style_old = style_old.replace("</style>","")
style_new = style_old
style_new += "#overview{width:100%;}\n"
style_new += "html{font-size: 115%;}\n"
style_new += ".day{border: 2px;border-style:solid;border-collapse:collapse;width:100%;}\n"
style_new += "td.list{width:14%;}\n"
style_new += "td.day_td{vertical-align: top;width: 50%;}\n"
style_new += ".inner{\n"
style_new += "    position:relative;\n"
style_new += "    top:0px;\n"
style_new += "}\n"
style_new += ".outer{\n"
style_new += "    overflow:hidden;\n"
style_new += "}\n"
style_new += "</style>\n"


##Gets everything inside center, ie. title, info and actual content
plan_list_inter = []
for i in aktuellerplan_list:
    plan_list_inter.append(tag_content_all(i,"center"))


##Get number of LE / day:
first_title = str(tag_content_precise(str(plan_list_inter[0]),"div","mon_title"))
first_title = first_title[first_title.index(">")+1:first_title.index(">")+3]
nb_day_one = 0
for i in plan_list_inter:
    i = str(tag_content_precise(str(i),"div","mon_title"))
    if i[i.index(">")+1:i.index(">")+3] == first_title:
        nb_day_one += 1


##Gets title of each day (weekday+type of week)
days_title_list=[]
days_title_list.append(str(tag_content_precise(str(plan_list_inter[0]),"div","mon_title")[0]))
days_title_list.append(str(tag_content_precise(str(plan_list_inter[-1]),"div","mon_title")[0]))
for i in range(len(days_title_list)):
    days_title_list[i]=days_title_list[i][:days_title_list[i].index("Woche")+7]+"</div>"


##Makes two sep. lists for each day. Each LE is one part of the final table
days_table_list=[[],[]]
for j in range(nb_day_one):
    days_table_list[0].append(tag_content_precise(str(plan_list_inter[j][0]),"table","mon_list"))
for j in range(nb_day_one,len(plan_list_inter)):
    days_table_list[1].append(tag_content_precise(str(plan_list_inter[j][0]),"table","mon_list"))
#The sub-lists contain every appearence of "center" ->take 1rst one, ie. [0]


##Gets the info for each day
days_info_list = []
days_info_list.append(tag_content_precise(str(plan_list_inter[0][0]),"table","info"))
days_info_list.append(tag_content_precise(str(plan_list_inter[nb_day_one][0]),"table","info"))
for i in range(len(days_info_list)):
    try:
        days_info_list[i] = str(days_info_list[i][0])
    except:
        days_info_list[i] = ""
        #as info is mandatory, the possible lack of info has to be handled


##Removes obsolete html on each LE (eg. the th)
for i in range(2):
    old_TE = str(days_table_list[i][0][0])
    new_TE = old_TE[old_TE.index("mon_list")+11:old_TE.index("/table")-1]
    days_table_list[i][0]=new_TE
    for j in range(1,len(days_table_list[i])):
        old_TE = str(days_table_list[i][j][0])
        new_TE = old_TE[old_TE.index("mon_list")+11:old_TE.index("/table")-1]
        #just removing <table></table>-tag to be able to able to form a single table
        len_of_TH = len(str(tag_content_precise(new_TE,"tr","list")[0]))
        new_TE = new_TE[len_of_TH:]
        #removes th for every LE (except first of every table)
        days_table_list[i][j] = new_TE


##Concats the parts of the table to a single table (1/day)
days_str = ["",""]
for i in range(2):
    for j in days_table_list[i]:
        days_str[i] += str(j)


js_script="""
<script
  src="http://code.jquery.com/jquery-2.2.4.min.js"
  integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44="
  crossorigin="anonymous"></script>
<script type="text/javascript">
$(document).ready( function () {
    function autoScrollDown(){
        $(".inner").css({top:-$(".outer").outerHeight()}) // jump back
                   .animate({top:0},20000,"linear", autoScrollDown); // and animate
    }
    function autoScrollUp(){
        $(".inner").css({top:0}) // jump back
                   .animate({top:-$(".outer").outerHeight()},20000,"linear", autoScrollUp); // and animate
    }
    // fix height of outer:
    $('.outer').css({maxHeight: $('.inner').height()});
    // duplicate content of inner:
    $('.inner').html($('.inner').html() + $('.inner').html());
    autoScrollUp();
});
</script>
"""


##Compiles the final html
end_html  = "<!doctype html>\n<html>\n<head>\n"
end_html += "<meta http-equiv='Content-Type' content='text/html; charset=utf-8'>"
end_html += style_new+"\n"
end_html += "<title>Untis Vertretungsplan</title>\n"
end_html += js_script + "\n"
end_html += "</head>\n<body>\n<div class='outer'>\n<div class='inner'><center>\n<table id='overview'>\n"
end_html += "<tr>\n<td>\n<center>\n"+days_title_list[0]+days_info_list[0]+"\n</center>\n</td>\n<td>\n<center>\n"+days_title_list[1]+days_info_list[1]+"\n</center>\n</td>\n</tr>"
end_html += "<tr>\n<td class='day_td'>\n<table class='day'>\n"
end_html += days_str[0]
end_html += "</table>\n</td>\n<td class='day_td'>\n<table class='day'>\n"
end_html += days_str[1]
end_html += "</table>\n</td>\n</tr>\n</table>\n</center>\n</div>\n</div>"
end_html += "<p>Letztes update: " + str(datetime.datetime.now().strftime("%d/%m/%y - %H:%M")) + "</p>\n"
end_html += "</body>\n</html>"


##Writes to file (located in dir. "Klasse")
with open("index.html","w") as f:
    f.write(end_html)