"""Global application settings stored as key-value pairs in the database."""

from app.extensions import db


class AppSettings(db.Model):
    """Key-value store for global application settings.

    Stores toggles and configuration that admins control through the
    admin panel, such as whether tryouts are open, season state, etc.
    """

    __tablename__ = 'app_settings'

    key = db.Column(db.String(100), primary_key=True)
    value = db.Column(db.Text, nullable=True)

    # ------------------------------------------------------------------
    # Well-known keys (documented here for discoverability)
    # ------------------------------------------------------------------
    # tryouts_open          – "true" / "false"  (default: "true")
    # season_active         – "true" / "false"  (default: "false")
    # season_name           – e.g. "Fall 2026"
    # season_start          – ISO date string
    # season_end            – ISO date string

    @staticmethod
    def get(key, default=None):
        """Return the value for *key*, or *default* if not set."""
        row = db.session.get(AppSettings, key)
        return row.value if row is not None else default

    @staticmethod
    def set(key, value):
        """Upsert a setting."""
        row = db.session.get(AppSettings, key)
        if row is None:
            row = AppSettings(key=key, value=str(value) if value is not None else None)
            db.session.add(row)
        else:
            row.value = str(value) if value is not None else None
        db.session.commit()

    @staticmethod
    def get_bool(key, default=False):
        """Return a boolean setting."""
        val = AppSettings.get(key)
        if val is None:
            return default
        return val.lower() in ('true', '1', 'yes', 'on')

    @staticmethod
    def set_bool(key, value):
        """Store a boolean setting as 'true' / 'false'."""
        AppSettings.set(key, 'true' if value else 'false')