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+# mira
+
+mira is a command-based bot framework for XMPP. It allows you to create
+bots that react to your users' commands or notify them based on a
+subscribtion system.
+
+## Configuration
+
+The main bot configuration is based on a TOML file:
+
+```toml
+# The JID to authenticate as
+jid = "awesome-bot@example.org"
+# The password
+password = "s3cr3t_p4ssw0rd"
+# Where the persistent data should be stored.
+# Defaults to /etc/mira/storage.json
+storage_path = "/home/mira/storage.json"
+# Loads the file as an avatar and publishes it (OPTIONAL)
+avatar = "/etc/mira/avatar.png"
+
+# A list of modules that should be loaded
+[[modules]]
+# Load the "test" module that greets a user to writes
+# "test" to awesome-bot@example.org
+name = "mira.modules.test"
+greeting = "Hello, Mr. %%user%%!"
+
+[[modules]]
+# This module reacts only to users whose JID has the
+# same domain as the bot
+name = "mira.modules.other_test"
+restrict_local = true
+```
+
+By default, mira expects the config at `/etc/mira/config.toml`, but the path
+can be overwritten by passing `--config`.
+
+## Writing a module
+
+Writing a module is pretty easy. The following is the base template:
+
+```python
+from mira.module import BaseModule
+
+NAME = 'new'
+
+class NewModule(BaseModule):
+    __instance = None
+
+    @staticmethod
+    def get_instance(base, **kwargs):
+        if NewModule.__instance == None:
+            NewModule(base, **kwargs)
+
+        return NewModule.__instance
+    
+    def __init__(self, base, **kwargs):
+        if NewModule.__instance != None:
+            raise Exception('Trying to init singleton twice')
+
+        super().__init__(base, **kwargs)
+        NewModule.__instance = self
+
+    async def on_command(self, cmd, msg):
+    	  # ...
+	  pass
+
+def get_instance(base, **kwargs):
+    return TestModule.get_instance(base, **kwargs)
+```
+
+Currently, modules are implemented as singletons, so most of the code
+is just for turning the class into a singleton. What's required is the
+toplevel constant `NAME`! It is the name of the module as the same time
+the "command". mira will pass all messages that start with the value of
+`NAME` to the `on_command` function. It's parameters are the message body
+whitespace separated (`cmd`) and the original `aioxmpp` message object (`msg`)
+
+If you have subcommands, like "new something1" and "new something2", then you can
+use a subcommand table. It is just a dictionary that tells mira which function
+to call on which subcommand. In the example above, it looks like this:
+
+```python
+from mira.module import BaseModule
+
+NAME = 'new'
+
+class NewModule(BaseModule):
+    __instance = None
+
+    @staticmethod
+    def get_instance(base, **kwargs):
+        if NewModule.__instance == None:
+            NewModule(base, **kwargs)
+
+        return NewModule.__instance
+    
+    def __init__(self, base, **kwargs):
+        if NewModule.__instance != None:
+            raise Exception('Trying to init singleton twice')
+
+        super().__init__(base, **kwargs)
+        NewModule.__instance = self
+
+	self._subcommand_table = {
+	    'something1': self._something1,
+	    'something2': self._something2,
+	    '*': self._help
+	}
+
+    async def _something1(self, cmd, msg):
+    	  # ...
+    async def _something2(self, cmd, msg):
+    	  # ...
+    async def _help(self, cmd, msg):
+    	  # ...
+
+def get_instance(base, **kwargs):
+    return TestModule.get_instance(base, **kwargs)
+```
+
+Note that '*' tells mira that the function should be called
+everytime no other subcommand matches.
+
+To send a message, the simplest way is to use the module's
+`send_message(to, body)` function, which takes an `aioxmpp`
+JID as to and a string as body.
+
+### Storage
+
+If your module needs to store data, then you can use the
+`StorageManager`. It is available via the module's
+`_stm` property. It provides the following two functions:
+
+- `get_data(section)`: Retrieve data (dictionary) stored in the module's section. A module may have multiple sections
+- `set_data(section, data)`: Stores data (dictionary) in the module's section. A module may have multiple sections
+
+### Subscriptions
+
+If your users should be able to subscribe to certain events, then you can use the
+`SubscriptionManager`, available via the module's `_sum` property. It exposes a lot more
+functions, so it is probably the better to just look at it's code at `mira/subscription.py`.
+
+## License
+
+See `LICENSE`.
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