#!/usr/bin/env python
# encoding: utf-8

import sys, os, time, operator
from stat import *
from time import *

from doghouseglobals import *

def main():
    # open the index file - truncating
    idxfile = open(os.path.join(kBlogDir,kBlogIndex), 'w')
     
    # collect and sort posts by date in list of (date,filename) tuples
    # try to use the date from the post; otherwise fall back to the
    # file modification timestamp.
    
    bposts = []
    for fn in os.listdir(kBlogDir):
        if (fn.endswith(kBlogPostSuffix)):
            fileptr = open(os.path.join(kBlogDir,fn),'r')
            lastChange = os.lstat(os.path.join(kBlogDir,fn))[ST_MTIME]
            while 1:
                line = fileptr.readline()
                if not isHeader(line):
                    break

                header = line.split(": ",1)
                        
                # Date: 2007-02-14 16:15:44 -0400
                if (header[0] == "Date"):
                    try:
                        try:
                            tmp = strptime(header[1].rstrip(), "%Y-%m-%d %H:%M")
                            lastChange = mktime(tmp)
                        except ValueError:
                            tmp = strptime(header[1].rstrip(), "%Y-%m-%d %H:%M:%S -0400")
                            lastChange = mktime(tmp)
                    except ValueError:
                        pass
            fileptr.close()
            bposts.append( (fn,lastChange) )
    
    bposts.sort(lambda x,y: cmp(y[1],x[1]))
    
    # write the posts to the index with their headers

    for i in range (len(bposts)) :
        idxfile.write("File-Filename: " + bposts[i][0] + "\n")
        idxfile.write("File-Modification: " + str(int(bposts[i][1])) + "\n")
        
        fileptr = open(os.path.join(kBlogDir,bposts[i][0]),'r')
        while 1 :
            line = fileptr.readline()
            if not isHeader(line) :
                break
            idxfile.write(line)
        fileptr.close()
        
        # this is a bit hackish - put two newlines between all
        # posts but the last. DoghouseIndex class depends on this.
        if (i < len(bposts)-1) :
            idxfile.write("\n\n")
    
    idxfile.close()


if __name__ == '__main__':
        main()