__pragma__ ('noanno')
__pragma__ ('js', """
var fs = require('fs');
var conversion_csv = fs.readFileSync('build/conversions.csv', 'utf8');
""", None)
# above is magically read (browserify plugin) at compile time
# browserify is run from root, so we need build/ in path for this to work

# convert to useful structure
structure_conversions = None

def build_structure_conversions():
    global structure_conversions
    structure_conversions = []
    
    structure_conversions_raw = [line.split(",") for line in conversion_csv.split("\n")]
    for line in structure_conversions_raw:
        if min(len(line[0]), len(line[1])) == 0:
            continue
        
        # header
        if line[1] == "struktura":
            continue
        
        vfrom = "^" + line[0].replace("?", "\?").replace("%s", "([a-zA-Z螚ȎŠ-]+)") + "$"
        vto = line[1].replace("<struktura>", "").replace("</struktura>", "").replace("%s", "$1").strip()
        
        structure_conversions.append((__new__(RegExp(vfrom, 'u')), 
                                      vto))
        
        
def convert_structure(structure):
    if structure_conversions is None:
        build_structure_conversions()
    
    for vfrom, vto in structure_conversions:
        match = structure.match(vfrom)
        if match:
            # we need to remove replace alias here as we want to use javascript's one
            __pragma__('noalias', 'replace')
            result = structure.replace(vfrom, vto).strip()
            __pragma__('alias', 'replace', "py_replace")
            
            # they said this also needs to be done - remove "-d$" from %s match
            if len(match) > 1 and match[1].endswith("-d"):
                result = result.replace(match[1], match[1][:-2])
            return result
    
    return None