#!/usr/bin/env python3

import os
from dataclasses import dataclass

from flask import Flask, jsonify, render_template, send_from_directory

app = Flask(__name__, static_folder=None)

GIT_REPO_PATH = "/home/frozenpipe/dev"
EXPORT_MARKER = "readme.md"


@dataclass
class Repository:
    name: str
    description: str
    path: str
    exported: bool


def get_repositories():
    repositories = []

    if not os.path.exists(GIT_REPO_PATH):
        return repositories

    for item in os.listdir(GIT_REPO_PATH):
        repo_path = os.path.join(GIT_REPO_PATH, item)

        if not os.path.isdir(repo_path):
            continue

        if not (
            os.path.exists(os.path.join(repo_path, ".git"))
            or os.path.exists(os.path.join(repo_path, "HEAD"))
        ):
            continue

        exported = os.path.exists(os.path.join(repo_path, EXPORT_MARKER))

        description = "No description available"
        description_file = os.path.join(repo_path, "description")
        if os.path.exists(description_file):
            try:
                with open(description_file, "r") as f:
                    description = f.read().strip()
                    if (
                        description
                        == "Unnamed repository; edit this file 'description' to name the repository."
                    ):
                        description = "No description available"
            except _ as _:
                pass
        repositories.append(
            Repository(
                name=item, description=description, path=repo_path, exported=exported
            )
        )

    repositories.sort(key=lambda repo: repo.name.lower())

    return repositories


@app.route("/")
def index():
    repositories = [repo for repo in get_repositories() if repo.exported]
    return render_template("index.html", repositories=repositories)


@app.route("/styles/<path:filename>")
def serve_styles(filename):
    return send_from_directory("styles", filename)


@app.route("/scripts/<path:filename>")
def serve_scripts(filename):
    return send_from_directory("scripts", filename)


@app.route("/api/repo/<int:repo_id>")
def get_repo(repo_id):
    repositories = [repo for repo in get_repositories() if repo.exported]

    if repo_id < 0 or repo_id >= len(repositories):
        return jsonify({"error": "Repository not found"}), 404

    repo = repositories[repo_id]
    return jsonify(
        {"name": repo.name, "description": repo.description, "path": repo.path}
    )


if __name__ == "__main__":
    app.run(host="0.0.0.0", port=8000, debug=True)