"""
Create pdf manuals from the markdown files in the cpdctrl-gui resources directory
"""
import os, markdown
import pymupdf
import datetime

from markdown_pdf import MarkdownPdf, Section

DOC_DIR = "~/cpd-dev/cpdctrl-gui/cpdctrl_gui/resources"
OUT_DIR = "~/cpd-dev/docs"

def convert(filepath: str):
    with open(filepath, "r") as file:
        content = file.read()
    html = markdown.markdown(content, output_format="html")
    return html

def load_md(filename: str):
    with open(os.path.join(DOC_DIR, filename), "r") as file:
        return file.read()

metadata = {
    "author": "Matthias Quintern",
    "modDate": datetime.datetime.now().isoformat(),
}

def make_software_manual():
    filepath = os.path.join(OUT_DIR, "cpdctrl-gui-manual.pdf")
    sections = [[
            "# N203 Vacuum CPD Setup: User Manual\n",
            "user_guide.md",
            "sample_changing.md",
            "measurement_settings.md",
            "led_control.md",
            "controller_calibration.md",
            "troubleshooting.md",
        ], [
            "# cpdctrl Software Documentation",
            "about.md",
            "technical_information.md",
        ]
    ]

    pdf = MarkdownPdf(toc_level=2)

    for section in sections:
        sec_md = ""
        for entry in section:
            if entry.endswith(".md"):
                entry_md = load_md(entry)
            else:
                entry_md = entry
            sec_md += entry_md + "\n"
        pdf.add_section(Section(sec_md))
    

    for key, val in (metadata | { "title": "cpdctrl-gui-manual"}).items():
        pdf.meta[key] = val
    pdf.save(filepath)



def recorder(elpos):
    pass

if __name__ == '__main__':
    DOC_DIR = os.path.expanduser(DOC_DIR)
    docs = [os.path.join(DOC_DIR, f) for f in os.listdir(DOC_DIR)]
    docs.sort()
    OUT_DIR = os.path.expanduser(OUT_DIR)
    if not os.path.isdir(OUT_DIR):
        os.makedirs(OUT_DIR)

    make_software_manual()