"""GET /api/schedule — schedule blocks with active indicator."""

from datetime import datetime

import yaml
from flask import Blueprint, jsonify

from ..config import STATION_CONFIG

bp = Blueprint("schedule", __name__)

DAY_NAMES = {1: "Mon", 2: "Tue", 3: "Wed", 4: "Thu", 5: "Fri", 6: "Sat", 7: "Sun"}


@bp.route("/schedule")
def get_schedule():
    try:
        with open(STATION_CONFIG) as f:
            config = yaml.safe_load(f)
    except Exception as e:
        return jsonify({"error": str(e)}), 500

    now = datetime.now()
    current_day = now.isoweekday()
    current_time = now.strftime("%H:%M")

    blocks = []
    for block in config.get("schedule", []):
        days = block.get("days", [])
        start = block.get("start", "00:00")
        end = block.get("end", "23:59")

        is_active = False
        if current_day in days:
            if start <= end:
                is_active = start <= current_time <= end
            else:
                is_active = current_time >= start or current_time <= end

        blocks.append({
            "name": block.get("name"),
            "days": days,
            "day_names": [DAY_NAMES.get(d, str(d)) for d in days],
            "start": start,
            "end": end,
            "folder": block.get("folder"),
            "active": is_active,
        })

    return jsonify(blocks)