#!/usr/bin/env python3

import os
import subprocess
import sys
import shutil
import pathlib

output = sys.argv[1]

print('exporting to \'' + output + '\'')

# Make sure the directory doesn't already exist.
if not os.path.exists(output):
    os.mkdir(output)
else:
    print('directory already exists!')
    sys.exit(1)

# Copy the static files
for dp, dns, fns in os.walk('static'):
    for fn in fns:
        if fn.endswith('~'):
            continue
        shutil.copy2(os.path.join(dp, fn), os.path.join(output, fn))

# Convert and export the markdown files.
def export_markdown(f):
    outfile = os.path.splitext(os.path.join(output, f))[0] + '.html'
    try:
        os.makedirs(os.path.dirname(outfile))
    except:
        pass
    cmd = 'pandoc --from markdown+yaml_metadata_block --to html --standalone --template=pandoc.template --include-in-header=mdheader.htm -o ' + outfile + ' markdown/' + f
    subprocess.run(cmd.split(), shell=False)

for dp, dns, fns in os.walk('markdown'):
    for fn in fns:
        if fn.endswith('~'):
            continue
        export_markdown(os.path.relpath(os.path.join(dp, fn), 'markdown'))