#!/usr/bin/env python3

import os
import sys
import xml.dom.minidom as XML
import glob

def Main():
    # Read base configuration
    base = ""
    with open("iar_template.ipcf") as f:
        base = f.read()

    # Enumerate all device/host examples
    dir_1 = os.listdir("../examples")
    for dir_2 in dir_1:
        if os.path.isdir("../examples/{}".format(dir_2)):
            print(dir_2)
            examples = os.listdir("../examples/{}".format(dir_2))
            for example in examples:
                if os.path.isdir("../examples/{}/{}".format(dir_2, example)):
                    print("../examples/{}/{}".format(dir_2, example))
                    conf = XML.parseString(base)
                    files = conf.getElementsByTagName("files")[0]
                    inc   = conf.getElementsByTagName("includePath")[0]
                    # Add bsp inc
                    path = conf.createElement('path')
                    path_txt = conf.createTextNode("$TUSB_DIR$/hw")
                    path.appendChild(path_txt)
                    inc.appendChild(path)
                    # Add board.c/.h
                    grp = conf.createElement('group')
                    grp.setAttribute("name", "bsp")
                    path = conf.createElement('path')
                    path_txt = conf.createTextNode("$TUSB_DIR$/hw/bsp/board.c")
                    path.appendChild(path_txt)
                    grp.appendChild(path)
                    files.appendChild(grp)
                    # Add example's .c/.h
                    grp = conf.createElement('group')
                    grp.setAttribute("name", "example")
                    for file in os.listdir("../examples/{}/{}/src".format(dir_2, example)):
                        if file.endswith(".c") or file.endswith(".h"):
                            path = conf.createElement('path')
                            path.setAttribute("copyTo", "$PROJ_DIR$/{}".format(file))
                            path_txt = conf.createTextNode("$TUSB_DIR$/examples/{0}/{1}/src/{2}".format(dir_2, example, file))
                            path.appendChild(path_txt)
                            grp.appendChild(path)
                    files.appendChild(grp)
                    cfg_str = conf.toprettyxml()
                    cfg_str = '\n'.join([s for s in cfg_str.splitlines() if s.strip()])
                    #print(cfg_str)
                    with open("../examples/{0}/{1}/iar_{1}.ipcf".format(dir_2, example), 'w') as f:
                        f.write(cfg_str)

def ListPath(path, blacklist=[]):
    # Get all .c files
    files = glob.glob(f'../{path}/**/*.c', recursive=True)
    files.extend(glob.glob(f'../{path}/**/*.h', recursive=True))
    # Filter
    files = [x for x in files if all(y not in x for y in blacklist)]
    # Get common dir list
    dirs = []
    for file in files:
        dir = os.path.dirname(file)
        if dir not in dirs:
            dirs.append(dir)
    # Print .c grouped by dir
    for dir in dirs:
        print('<group name="' + dir.replace('../', '').replace('\\','/') + '">')
        for file in files:
            if os.path.dirname(file) == dir:
                print('    <path>$TUSB_DIR$/' + file.replace('../','').replace('\\','/')+'</path>')
        print('</group>')

def List():
    ListPath('src', [ 'template.c' ])
    ListPath('lib/SEGGER_RTT')

if __name__ == "__main__":
    if os.path.dirname(os.getcwd()) != 'tools':
        os.chdir('tools')
    if (len(sys.argv) > 1):
        if (sys.argv[1] == 'l'):
            List()
    else:
        Main()