#!/usr/bin/env python

# ---
# weinre is available under *either* the terms of the modified BSD license *or* the
# MIT License (2008). See http://opensource.org/licenses/alphabetical for full text.
# 
# Copyright (c) 2010, 2011 IBM Corporation
# ---

import os
import re
import sys
import json
import optparse

#--------------------------------------------------------------------
def main():
    if len(sys.argv) < 2:
        error("expecting parameters [web directory]")

    webDir = sys.argv[1]
    
    iFileName = os.path.join(webDir, "client/inspector.html")
    oFileName = os.path.join(webDir, "client/index.html")
    moduleDir = os.path.join(webDir, "weinre")
    
    if not os.path.exists(iFileName): error("file does not exist: %s" % iFileName)
    if not os.path.exists(moduleDir): error("module directory does not exist: %s" % moduleDir)
    if not os.path.isdir(moduleDir):  error("module directory is not a directory: %s" % moduleDir)
    
    createIndexFile(iFileName, oFileName, moduleDir)

#--------------------------------------------------------------------
def createIndexFile(iFileName, oFileName, moduleDir):
    with open(iFileName) as iFile: lines = iFile.readlines()
    
    pattern_head_start = re.compile(r"^\s*<meta http-equiv=\"content-type\".*$")
    pattern_head_end   = re.compile(r"^\s*</head>\s$")
    
    newLines   = []
    foundStart = False
    foundEnd   = False
    for line in lines:
        if pattern_head_start.match(line):
            foundStart = True
            newLines.append(line)
            
            newLines.append("<!-- ========== weinre additions: starting ========== -->\n")
            newLines.extend([
                '<meta http-equiv="X-UA-Compatible" content="chrome=1">\n'
                '<link rel="shortcut icon" href="../images/weinre-icon-64x64.png">\n',
                '<title>weinre</title>\n',
                '<script type="text/javascript" src="weinre/check-for-webkit.js"></script>\n',
                '<script type="text/javascript" src="weinre/hacks.js"></script>\n',
                '<script type="text/javascript" src="../modjewel-require.js"></script>\n',
                '<script type="text/javascript">require("modjewel").warnOnRecursiveRequire(true)</script>\n',
                '<script type="text/javascript" src="../scooj.transportd.js"></script>\n',
            ])
            
            for module in getModules(moduleDir):
                newLines.append('<script type="text/javascript" src="../%s"></script>\n' % module)
                
            newLines.append("<!-- ========== weinre additions: done ========== -->\n")
            
        elif pattern_head_end.match(line):
            foundEnd = True
            newLines.append("<!-- ========== weinre additions: starting ========== -->\n")
            newLines.append('<link rel="stylesheet" type="text/css" href="weinre/client.css">\n')
            newLines.append('<script type="text/javascript" src="../interfaces/all-json-idls-min.js"></script>\n')
            newLines.append('<script type="text/javascript">require("weinre/client/Client").main()</script>\n')
            newLines.append("<!-- ========== weinre additions: done ========== -->\n")
            newLines.append(line)
        
        else:
            newLines.append(line)
            
    if not foundStart: error("didn't find the location to start writing")
    if not foundEnd:   error("didn't find the location to finish writing")
    
    with open(oFileName, "w") as oFile: oFile.writelines(newLines)

    log("created %s" % oFileName)

#--------------------------------------------------------------------
def getModules(moduleDir):
    modules = []
    
    for module in os.listdir(os.path.join(moduleDir, "common")):
        modules.append("weinre/common/%s" % module)
    
    for module in os.listdir(os.path.join(moduleDir, "client")):
        modules.append("weinre/client/%s" % module)

    return modules
        
#--------------------------------------------------------------------
def log(message):
    message = "%s: %s" % (PROGRAM_NAME, message)
    print >>sys.stderr, message

#--------------------------------------------------------------------
def error(message):
    log(message)
    sys.exit(-1)

#--------------------------------------------------------------------
PROGRAM_NAME = os.path.basename(sys.argv[0])

main()