"""add users, crop_plans, notifications tables

Revision ID: 0002_users_crop_plans
Revises: 0001_initial
Create Date: 2026-06-30

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

revision: str = "0002_users_crop_plans"
down_revision: Union[str, None] = "0001_initial"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "users",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("email", sa.String(255), nullable=False),
        sa.Column("hashed_password", sa.String(255), nullable=False),
        sa.Column("full_name", sa.String(255), nullable=True),
        sa.Column("organization", sa.String(255), nullable=True),
        sa.Column("is_active", sa.Boolean, nullable=False, server_default=sa.true()),
        sa.Column("is_verified", sa.Boolean, nullable=False, server_default=sa.false()),
        sa.Column("created_at", sa.DateTime, nullable=False),
        sa.Column("last_login_at", sa.DateTime, nullable=True),
    )
    op.create_index("ix_users_email", "users", ["email"], unique=True)

    op.create_table(
        "crop_plans",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("user_id", sa.String(36), sa.ForeignKey("users.id"), nullable=False),
        sa.Column("name", sa.String(255), nullable=False),
        sa.Column("crop", sa.String(50), nullable=False),
        sa.Column("location", sa.String(100), nullable=False),
        sa.Column("planting_month", sa.Integer, nullable=False),
        sa.Column("risk_tolerance", sa.String(20), nullable=False, server_default="moderate"),
        sa.Column("is_archived", sa.Boolean, nullable=False, server_default=sa.false()),
        sa.Column("created_at", sa.DateTime, nullable=False),
        sa.Column("updated_at", sa.DateTime, nullable=False),
    )
    op.create_index("ix_crop_plans_user_id", "crop_plans", ["user_id"])

    op.create_table(
        "notifications",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("user_id", sa.String(36), sa.ForeignKey("users.id"), nullable=False),
        sa.Column("title", sa.String(255), nullable=False),
        sa.Column("message", sa.Text, nullable=False),
        sa.Column("severity", sa.String(20), nullable=False, server_default="info"),
        sa.Column("related_crop_plan_id", sa.String(36), sa.ForeignKey("crop_plans.id"), nullable=True),
        sa.Column("is_read", sa.Boolean, nullable=False, server_default=sa.false()),
        sa.Column("email_sent", sa.Boolean, nullable=False, server_default=sa.false()),
        sa.Column("created_at", sa.DateTime, nullable=False),
    )
    op.create_index("ix_notifications_user_id", "notifications", ["user_id"])
    op.create_index("ix_notifications_created_at", "notifications", ["created_at"])

    op.add_column("analysis_records", sa.Column("user_id", sa.String(36), sa.ForeignKey("users.id"), nullable=True))
    op.add_column("analysis_records", sa.Column("crop_plan_id", sa.String(36), sa.ForeignKey("crop_plans.id"), nullable=True))
    op.create_index("ix_analysis_records_user_id", "analysis_records", ["user_id"])
    op.create_index("ix_analysis_records_crop_plan_id", "analysis_records", ["crop_plan_id"])


def downgrade() -> None:
    op.drop_index("ix_analysis_records_crop_plan_id", table_name="analysis_records")
    op.drop_index("ix_analysis_records_user_id", table_name="analysis_records")
    op.drop_column("analysis_records", "crop_plan_id")
    op.drop_column("analysis_records", "user_id")

    op.drop_table("notifications")
    op.drop_table("crop_plans")
    op.drop_table("users")