"""Generate all 'lettres de motivation' for Parcourssup platform"""
import os
import sys
import re

TEMPLATE_PATH = os.path.join(os.path.dirname(__file__), "templates")
OUT_PATH = os.path.join(os.path.dirname(__file__), "output")

SIGNATURE = "Moi-même"

CONF = {
    "prepa": [
        {"name": "Lycée Thiers", "name_de": "du #", "name_le": "le #", "name_à": "au #", "name_à_superlatif": "au prestigieux #",},
        {"name": "Lycée Henri IV", "name_de": "du #", "name_le": "le #", "name_à": "au #", "name_à_superlatif": "au prestigieux #",},
    ],
    "insa": [
        {"name": "INSA de Lyon", "name_de": "de l'#", "name_le": "l'#", "name_à": "à l'#",},
        {"name": "INSA de Toulouse", "name_de": "de l'#", "name_le": "l'#", "name_à": "à l'#",},
    ],
    "fac": [
        {"name": "Licence Mathématiques", "name_de": "de la #", "name_le": "la #", "name_à": "dans la #",},
        {"name": "Licence Physique", "name_de": "de la #", "name_le": "la #", "name_à": "dans la #",},
    ],
    "mpci": [
        {"name": "Licence MPCI", "ville_de": "de Marseille", "name_de": "de la #", "name_le": "la #", "name_à": "dans la #",},
    ],
}

sys.stdout.reconfigure(encoding='utf-8')

#For each type of 'voeux'
for voeu_type in CONF:

    #Filename for the template
    template_filename = os.path.join(TEMPLATE_PATH, voeu_type + ".txt")

    #Chech whether the template exists
    if os.path.exists(template_filename):

        #Read the template
        with open(template_filename, "r", encoding="utf-8") as fileobj:
            template_content = fileobj.read()

        #Find all tags in the template
        tags = set(re.findall("\[(\w+)\]", template_content))

        #Get list of 'voeux' in the type of 'voeux'
        voeux_list = CONF[voeu_type]
        for voeu in voeux_list:
            #Replace '#' by the 'name'
            for item in voeu.copy():
                voeu[item] = voeu[item].replace("#", voeu["name"])

            #Add the 'signature' in the dictionary
            voeu["signature"] = SIGNATURE

            #Add the capitalized version in the dictionary
            for item in voeu.copy():
                voeu[item.capitalize()] = voeu[item][0].upper() + voeu[item][1:]

            #Build the final 'lettre de motivation'
            motivation_content = template_content
            for tag in tags:
                if tag not in voeu:
                    raise KeyError(f"Missing '{tag}' in CONF for template {voeu_type}")
                motivation_content = motivation_content.replace(f"[{tag}]", voeu[tag])

            #Filename for the output file
            motivation_filename = os.path.join(OUT_PATH, voeu_type, voeu["name"].replace(" ", "_") + ".txt")
            #Create missing folders if needed
            os.makedirs(os.path.dirname(motivation_filename), exist_ok=True)

            #Wrtie the final 'lettre de motivation'
            with open(motivation_filename, "w", encoding="utf-8") as fileobj:
                fileobj.write(motivation_content)