#!/usr/local/bin/python
# Quick hack to generate HTML code for the quarter-mile times from a simple
# plain-text format.
# Copyright (C) A J Computing, 2005.
# You may use, modify, and re-distribute this code without restriction,
# provided that the above copyright is maintained in all copies (or that
# appropriate credit is otherwise given). No warranty - use entirely at
# your own risk.
# This script only outputs only partial html files; include it in your
# document with your preferred inclusion mechanism (we use SSI).

import sys


def verify_dict(dictionary, keys):
    for i in keys:
        if not dictionary.has_key(i):
            return False
    return True

def stderr_print(text):
    sys.stderr.write("%s: %s\n" % (sys.argv[0], text))

def bomb(message):
    stderr_print(message)
    sys.exit(1)

def parse(fd):
    fields = ["Car", "Year", "Power", "Time", "Owner", "URL", "Excuses"]
    indexkey = "Time"
    times = {}
    currentcar = {}
    lineno = 0
    while 1:
        line = fd.readline().strip()
        lineno = lineno + 1
        if not line:
            break
        
        if line[0] == "#":
            # it's a comment. move along now, nothing to see here..
            continue
        
        if line[0] == "%":
            rv = verify_dict(currentcar, fields)
            if not rv:
                bomb("got an invalid entry ending on %s; fields missing." % (
                    lineno))
            keyname = currentcar[indexkey].split("@")[0]
            keyname = keyname.replace("S", "").replace("s", "").strip()
            keyname = "%06.3f" % (float(keyname))
            if not times.has_key(keyname):
                times[keyname] = []
            times[keyname].append(currentcar)
            currentcar = {}
            continue
        
        parts = line.split(":", 1)
        if len(parts) < 2:
            bomb("invalid syntax on line %s: %s" % (lineno, line))
        keyname = parts[0]
        value = parts[1].strip()
        if not keyname in fields:
            bomb("unknown field '%s' on line %s" % (keyname, lineno))
        currentcar[keyname] = value
    return times

def format(tdict):
    lines = ['<div style="text-align: center;">', "<table>", '<tr class="head">',
             "<th>Car</th><th>Year</th><th>Power</th><th>Time</th><th>Name</th><th>Excuses</th>",
             "</tr>"]
    currenttype = 1
    keys = tdict.keys()
    keys.sort()
    countar = 0
    for r in keys:
        for plz in tdict[r]:
            countar += 1
            (car, year, power, time, owner, url, e) = (plz["Car"], plz["Year"],
                                                    plz["Power"], plz["Time"],
                                                    plz["Owner"], plz["URL"],
                                                    plz["Excuses"])
            if not url == "":
                car = '<a target="_blank" class="externallink" href="%s">%s</a>' % (url, car)
            if owner == "":
                # :(
                owner = "&nbsp;"
            #if "x" in flags:
            #    cellclass = 3
            cellclass = currenttype
            lines.append('<tr class="content%s"><td>%s</td><td>%s</td>'
                         "<td>%s</td><td>%s</td><td>%s</td><td>%s</td></tr>" % (
                cellclass, car, year, power, time, owner, e))
            if currenttype == 1:
                currenttype = 2
            else:
                currenttype = 1

    lines.append("</table>")
    lines.append("</div>")
    stderr_print("%s entries in the quarter mile table" % countar)
    return "\n".join(lines)

if len(sys.argv) > 1:
    print format(parse(open(sys.argv[1])))