#!/usr/bin/env python3

"""
Generates required libraries based on the message definitions in mavlink submodule.
Doesn't accept any arguments by design.

Requires future package, example of installation:
```
pip install future
```
"""

from os import path, makedirs
from shutil import copytree
import sys

# add repository root path to import local module regardless of location
root_path = path.abspath(path.dirname(__file__))
sys.path.insert(1, root_path)
# fmt: off - don't move import to top of file
from modules.mavlink.pymavlink.generator import mavgen
from modules.mavlink.pymavlink.generator.mavparse import PROTOCOL_2_0
# fmt: on

definitions_path = path.join(root_path, 'modules', 'mavlink',
                             'message_definitions', 'v1.0')
dialect_file = 'all.xml'
out_path = path.join(root_path, 'include', 'mavlink')

# generate C library
opts = mavgen.Opts(out_path, wire_protocol=PROTOCOL_2_0,
                   language='C', validate=True, strict_units=True)
mavgen.mavgen(opts, [path.join(definitions_path, dialect_file)])

out_definitions_path = path.join(out_path, 'message_definitions')
print("Copying message definitions to", out_definitions_path)
makedirs(out_definitions_path, exist_ok=True)
copytree(definitions_path, out_definitions_path, dirs_exist_ok=True)

# generate Python library
out_path = path.join(root_path, 'dist', 'all_marsh')
makedirs(path.dirname(out_path), exist_ok=True)
opts.output = out_path
opts.language = 'Python3'
mavgen.mavgen(opts, [path.join(definitions_path, dialect_file)])