import re

from edmond.plugin import Plugin


class NotesPlugin(Plugin):

    REQUIRED_CONFIGS = ["commands", "content_regex"]

    def __init__(self, bot):
        super().__init__(bot)
        self._content_re = None

    @property
    def content_re(self):
        if self._content_re is None:
            self._content_re = re.compile(self.config["content_regex"])
        return self._content_re

    def on_pubmsg(self, event):
        if not self.should_handle_command(event.arguments[0], no_content=True):
            return False

        # "note down" command.
        command0 = self.config["commands"][0]
        if self.command.ident.startswith(command0):
            content = self.command.ident[len(command0):].strip()
            match = self.content_re.match(content)
            if not match:
                return False
            groups = match.groupdict()
            if any(k not in groups for k in ("target", "note")):
                return False
            target = groups["target"]
            message = groups["note"]
            self.bot.log_d(f"Noting for {target}: {message}")
            note = {
                "sender": event.source.nick,
                "dest": target,
                "message": message
            }
            self.append_storage_list_value("notes", note)