from sqlalchemy import (
    Boolean,
    Column,
    Date,
    DateTime,
    Float,
    ForeignKey,
    Integer,
    MetaData,
    String,
    Table,
    func,
)

metadata = MetaData()

trainings = Table(
    "trainings",
    metadata,
    Column("id", Integer, primary_key=True),
    Column("date", Date, nullable=False, index=True),
    Column("trainer", String(100)),
    Column("created_at", DateTime(timezone=True), nullable=False, server_default=func.now()),
)

exercises = Table(
    "exercises",
    metadata,
    Column("id", Integer, primary_key=True),
    Column(
        "training_id",
        ForeignKey("trainings.id", ondelete="CASCADE"),
        nullable=False,
        index=True,
    ),
    Column("name", String(255), nullable=False, index=True),
    Column("splitted_weight", Boolean, nullable=False, server_default="false"),
    Column("created_at", DateTime(timezone=True), nullable=False, server_default=func.now()),
)

approaches = Table(
    "approaches",
    metadata,
    Column("id", Integer, primary_key=True),
    Column(
        "exercise_id",
        ForeignKey("exercises.id", ondelete="CASCADE"),
        nullable=False,
        index=True,
    ),
    Column("weight", Float, nullable=False),
    Column("reps", Integer, nullable=False),
    Column("created_at", DateTime(timezone=True), nullable=False, server_default=func.now()),
)