from degal.command import command
from degal import templates

def render_image (ctx, image) :
    """
        Render the thumbnails and .html for one image
    """
    
    # log image path
    ctx.log_info("%s", image)

    # render output
    tpl = templates.master(ctx.gallery, image.title, image.html, 
        templates.image_page(image)
    )
    
    # write output
    tpl.render_file(image.html)

def render_folder (ctx, folder) :
    """
        Render the .html output for one folder, recursively
    """

    # log folder path
    ctx.log_info("%s", folder)

    # render folder index
    for page in xrange(folder.page_count) :
        # output .html page
        html_file = folder.html_file(page)
        
        # render template
        tpl = templates.master(ctx.gallery, folder.title, html_file,
            templates.folder_page(folder, page)
        )

        # write output
        tpl.render_file(html_file)

    # render images
    for image in folder.images :
        render_image(ctx, image)

@command
def main (ctx) :
    """
        Scan the gallery for new folders/images, and render updated ones
    """

    # render the gallery
    render_folder(ctx, ctx.gallery)