#!/usr/bin/python
import time,sys,os,platform,subprocess

###############################################
#           Configurable options              #
###############################################
#time between keystrokes
key_press_delay = 0.01 #-kd
#time for editor commands
editor_wait_delay = 0.1 #-ed
#name of window to autoswap to if able
window_name = "Direwolf20 Pack" #-wn
# removes .lua from filenames
crop_endings = False #-ce
# how long to delay start if autoswap fails
switch_delay = 5 #-sd
# compress if lua is installed
try_compress = False #-tc
#tab size in spaces
tab_size=4 #-ts
#inactivity delay (/minutes): pauses writting after in_delay minutes to stop being kicked for inactivity
in_delay=5 #-id
###############################################

def description():
    print "Kazagistar\'s Computercraft Minecopy V2"
    print "(Command line based config and tabs by CoolisTheName007)"
    print "Usage: minecopy.py -arg1 value1 -arg2 value2 ... file1 file 2 ..."
    print "file1 .. file2 can be full paths, or relative to the current working directory or minecopy directory"
    print "Arguments:"
    print "-wn [window name]; default:%s" %window_name
    print "-kd [delay between key presses] default:%f" %key_press_delay
    print "-sd [window switch delay] default:%f" %switch_delay
    print "-ed [delay between editor commmands] default:%f " %editor_wait_delay
    print "-ce [remove .lua file endings] default:%s" %crop_endings
    print "-tc [compress Lua code] default:%s " %try_compress
    print "-ts [tab size in spaces] default: %d " %tab_size
    print "-id [pauses writting after in_delay minutes to stop being kicked for inactivity] default : %d " %in_delay

# location of lua compression script
lua_path = os.path.join(os.path.dirname(__file__),"app_maximum.lua")
#location of temporary compressed file
temp_path = os.path.join(os.path.dirname(__file__),"TEMPORARY_LUA_FILE")

if platform.system() == "Linux":
    # Import libxdo, for key output
    from ctypes import *
    xdo=cdll.LoadLibrary("libxdo.so.2")
    xdo_context=xdo.xdo_new(None)

    def typeout(string):
        xdo.xdo_type(xdo_context, 0, string, key_press_delay*1000000) # microseconds

    def savefile():
        typekeys(["ctrl","Return","ctrl","Left","Return"])

    def typekeys(keysyms): # separation might be useful eventually?
        for key in keysyms:
            xdo.xdo_keysequence(xdo_context, 0, key, key_press_delay*1000000) # microseconds
            time.sleep(editor_wait_delay)

if platform.system() == "Windows":
    def windowswitch():
        # Load the stuff for writing strings using com
        from win32com import client
        shell = client.Dispatch("WScript.Shell")
        shell.AppActivate(window_name)

    import SendKeysCtypes as key

    def typeout(string):
        newstring = ""
        for char in string:
            if char in ["{","}","[","]","+","^","%","~","(",")"]:
                char = "{%s}"%char
            newstring += char
        key.SendKeys(newstring, pause=key_press_delay, with_spaces=True, tab_size=tab_size, in_delay=in_delay, with_newlines=True)
    def enter_seq():
        sequence = ("{ENTER}")
        key.SendKeys(sequence, pause=editor_wait_delay)
    def savefile():
        sequence = ("{VK_CONTROL}{ENTER}{VK_CONTROL}{RIGHT}{ENTER}")
        key.SendKeys(sequence, pause=editor_wait_delay)

def loadfile(filepath):
    global try_compress
    if try_compress:
        try:
            print("Trying to compress")
            subprocess.call(["lua", lua_path, "-o", temp_path, "--quiet", "--maximum",filepath])
            print("File compressed")
            filepath = temp_path
        except:
            print("Optional compression failed, maybe Lua is not installed.")
            try_compress = False
    try:
        f = open(filepath)
    except IOError as e:
        print "I/O error({0}): {1}".format(e.errno, e.strerror)
        sys.exit()
    data = f.read()
    f.close()
    if try_compress:
        os.remove(temp_path)
    return data

def copyfile(filename,filepath):
    data = loadfile(filepath)
    if crop_endings:
        filename = filename.replace(".lua","")
    time.sleep(editor_wait_delay) # make sure it has time to start writing (otherwise 'rm' is typed 'm')
    typeout("rm "+filename)
    enter_seq()
    typeout("edit "+filename)
    enter_seq()
    time.sleep(editor_wait_delay) # make sure it has time to finish
    typeout(data)
    savefile()

if __name__ == "__main__":
    files=[]
    for i in range(1,len(sys.argv),2):
        if sys.argv[i] == "-kd":
            key_press_delay = float(sys.argv[i+1])
            continue
        if sys.argv[i] == "-ed":
            editor_wait_delay = float(sys.argv[i+1])
            continue
        if sys.argv[i] == "-wn":
            window_name = sys.argv[i+1]
            continue
        if sys.argv[i] == "-ce":
            crop_endings = sys.argv[i+1] in ['true', '1', 't', 'y', 'yes', 'yeah', 'yup', 'certainly', 'uh-huh']
            continue
        if sys.argv[i] == "-sd":
            switch_delay = float(sys.argv[i+1])
            continue
        if sys.argv[i] == "-tc":
            try_compress = sys.argv[i+1] in ['true', '1', 't', 'y', 'yes', 'yeah', 'yup', 'certainly', 'uh-huh']
            continue
        if sys.argv[i] == "-ts":
            tab_size = sys.argv[i+1]
            continue
        if sys.argv[i] == "-id":
            in_delay = sys.argv[i+1]
            continue
        if sys.argv[i][0] == "-":
            print "You entered an incorrect argument identifier or  a file name starting with - (not accepted):"
            print sys.argv[i]
            description()
            sys.exit()
        files=sys.argv[i:]
        break


    if len(files) == 0:
        print "No files supplied."
        description()
        sys.exit()
    else:
        try:
            windowswitch()
        except:
            print ''
        print "Select minecraft window manually and make sure a computercraft terminal is open!"
        print "You have % seconds to click on the terminal or bad things will happen!!!" %switch_delay
        time.sleep(switch_delay)
    for filename in files:
        if os.path.isfile(os.path.join(os.getcwd(),filename)):
            filepath=os.path.join(os.getcwd(),filename)
        elif os.path.isfile(filename):
            filepath=filename
        else:
            print "File %s not found" %os.path.basename(filename)
            print "in current directory: %s" %(os.getcwd())
            print "using filename as path: %s" %filename
            print "Make sure you use forward slashes: /"
            sys.exit()
        filename=os.path.basename(filepath)
        print("Printing %s ...") %filename
        copyfile(filename,filepath)
        print("Done printing %s") %filename