"""telegram_bindings — wallet ↔ Telegram chat_id mapping with per-source prefs.

Revision ID: 020
Revises: 019
Create Date: 2026-05-24
"""
from alembic import op
import sqlalchemy as sa

revision = "020"
down_revision = "019"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "telegram_bindings",
        sa.Column("id",             sa.Integer,    primary_key=True),
        sa.Column("wallet_address", sa.String(64), nullable=False, unique=True, index=True),
        # Telegram chat_id is an int64 in practice; store as BigInteger to be safe.
        sa.Column("chat_id",        sa.BigInteger, nullable=False, unique=True, index=True),
        sa.Column("tg_username",    sa.String(64), nullable=True),  # display only
        sa.Column("bound_at",       sa.DateTime,   nullable=False, server_default=sa.func.now()),
        # Master switch
        sa.Column("alerts_enabled", sa.Boolean,    nullable=False, server_default=sa.true()),
        # Per-source toggles. KOL divergence is noisier so default-off.
        sa.Column("alert_trump",          sa.Boolean, nullable=False, server_default=sa.true()),
        sa.Column("alert_btc_bottom",     sa.Boolean, nullable=False, server_default=sa.true()),
        sa.Column("alert_funding",        sa.Boolean, nullable=False, server_default=sa.true()),
        sa.Column("alert_kol_divergence", sa.Boolean, nullable=False, server_default=sa.false()),
        # Quality floor — don't ping for low-confidence Trump posts.
        sa.Column("min_confidence", sa.Integer, nullable=False, server_default="70"),
        # Quiet hours (UTC). 0..23. Both null = always on. If start<end, mute
        # [start, end); if start>end, mute window wraps midnight.
        sa.Column("mute_from_hour", sa.Integer, nullable=True),
        sa.Column("mute_until_hour", sa.Integer, nullable=True),
        # Audit
        sa.Column("last_alert_at",      sa.DateTime, nullable=True),
        sa.Column("total_alerts_sent",  sa.Integer,  nullable=False, server_default="0"),
        sa.Column("total_alerts_failed", sa.Integer, nullable=False, server_default="0"),
    )


def downgrade() -> None:
    op.drop_table("telegram_bindings")