"""Flask server."""

from csv import DictReader
from os import listdir
from os.path import basename, dirname
from pathlib import Path

from flask import Flask, abort, render_template
from ruamel.yaml import YAML

app = Flask(__name__)
cwd = dirname(Path(__file__).absolute())
yaml = YAML()


def get_programmes():
    programmes = []
    path = cwd / Path("static/programmes/")
    for file in listdir(path):
        with open(path / file, "r") as handle:
            contents = handle.read()
            loaded = yaml.load(contents)
            programmes.append(loaded)
    return programmes


def get_collection():
    collection = []
    path = cwd / Path("static/csv/collection.csv")
    with open(path, "r") as handle:
        reader = DictReader(handle)
        for row in reader:
            collection.append(row)
    return collection


@app.route("/")
def about():
    return render_template("about.html")


@app.route("/programmes")
def programmes():
    programmes = get_programmes()
    return render_template("programmes.html", programmes=programmes)


@app.route("/programme/<name>/")
def programme(name):
    cleaned_name = name.replace("-", " ").lower()
    programmes = get_programmes()
    for programme in programmes:
        cleaned_programme = programme.get("title", "").lower()
        if cleaned_name == cleaned_programme:
            return render_template("programme.html", programme=programme)
    abort(404, description="Programme not found")


@app.route("/collection")
def collection():
    collection = get_collection()
    return render_template("collection.html", collection=collection)


@app.route("/glossary")
def glossary():
    return render_template("glossary.html")


@app.route("/participate")
def participate():
    return render_template("participate.html")