import main
from yaml import dump

class EmailCommand:
    def __init__(self, *args):
        self.email(*args)

    def email(self, addr, authed, data, obj, spl, success, failure, info, incUsage, length):
        if authed:
            if length == 4:
                if spl[1] == "add":
                    if not spl[2].isdigit():
                        failure("Must be a number, not %s" % spl[2])
                        return
                    num = int(spl[2])
                    if not num in main.alias.keys():
                        failure("No such alias: %i" % num)
                        return
                    if not spl[3] in main.alias[num]["emails"]:
                        main.alias[num]["emails"].append(spl[3])
                        main.saveConf("alias")
                        success("Successfully added email %s to alias %i" % (spl[3], num))
                        return
                    else:
                        failure("Email already exists in alias %i: %s" % (num, spl[3]))
                        return
                elif spl[1] == "del":
                    if not spl[2].isdigit():
                        failure("Must be a number, not %s" % spl[2])
                        return
                    num = int(spl[2])
                    if not num in main.alias.keys():
                        failure("No such alias: %i" % num)
                        return
                    if spl[3] in main.alias[num]["emails"]:
                        main.alias[num]["emails"].remove(spl[3])
                        main.saveConf("alias")
                        success("Successfully removed email %s from alias %i" % (spl[3], num))
                        return
                    else:
                        failure("Email does not exist in alias %i: %s" % (spl[3], num))
                        return
            elif length == 2:
                if spl[1] == "list":
                    info(dump(main.alias))
                    return

                else:
                    incUsage("save")
                    return
            else:
                incUsage("save")
                return
        else:
            incUsage(None)