import pathlib
from ssg.tags import *
from ssg.utils import *
from markup import iwmlibdoc_document, sitemap_main

src = pathlib.Path('..')
content = src / 'lib'

async def main(path:pathlib.Path):
    """Typical main program, setting up content publishers, defining the site structure and
    typical order of generating initial pages and observing subsequent changes.
    """
    
    # 2. Build the site structure with nested context managers
    with site('iwmlibdoc', path=path, doc=iwmlibdoc_document) as docsite: 
        # If we use symlinks the css and image files can be modified without
        # notifications.
        docsite.symlink(src, 'css')
        docsite.symlink(src, 'assets')
        docsite.symlink(src, 'dist')
        # structures can be created in a loop to ensure indentical hierarchies

        sitemap = page('sitemap.html',
                        title='Sitemap',
                        main=sitemap_main)
        static_folder(content)

    # 3. Start generation.
    docsite.generate()
  
    #print(docsite)
    # 4. Let's check whether all links are working...
    # site.validate()

    await docsite.observe_filesystem(timeout=120)
    
def run():
    default = pathlib.Path('.') / 'dist' 
    if default.exists():
        shutil.rmtree(default)
    default.mkdir(parents=True)
    asyncio.run(main(default))

if __name__ == "__main__":
    run()