"""create initial tables

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

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

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


def upgrade() -> None:
    op.create_table(
        "analysis_records",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("request_id", sa.String(64), nullable=False),
        sa.Column("crop", sa.String(50), nullable=False),
        sa.Column("district", sa.String(100), nullable=False),
        sa.Column("month", sa.Integer, nullable=False),
        sa.Column("feasibility_label", sa.String(20), nullable=True),
        sa.Column("expected_yield_ton_ha", sa.Float, nullable=True),
        sa.Column("had_conflicts", sa.Boolean, nullable=False, server_default=sa.false()),
        sa.Column("degraded_models", sa.Text, nullable=True),
        sa.Column("full_result", sa.JSON, nullable=False),
        sa.Column("model_version", sa.String(20), nullable=False),
        sa.Column("served_from_cache", sa.Boolean, nullable=False, server_default=sa.false()),
        sa.Column("processing_ms", sa.Integer, nullable=False),
        sa.Column("api_key_prefix", sa.String(20), nullable=True),
        sa.Column("client_ip", sa.String(64), nullable=True),
        sa.Column("created_at", sa.DateTime, nullable=False),
    )
    op.create_index("ix_analysis_records_request_id", "analysis_records", ["request_id"])
    op.create_index("ix_analysis_records_crop", "analysis_records", ["crop"])
    op.create_index("ix_analysis_records_district", "analysis_records", ["district"])
    op.create_index("ix_analysis_records_created_at", "analysis_records", ["created_at"])

    op.create_table(
        "failed_request_logs",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("request_id", sa.String(64), nullable=False),
        sa.Column("error_code", sa.String(50), nullable=False),
        sa.Column("error_message", sa.Text, nullable=False),
        sa.Column("input_payload", sa.JSON, nullable=True),
        sa.Column("created_at", sa.DateTime, nullable=False),
    )
    op.create_index("ix_failed_request_logs_request_id", "failed_request_logs", ["request_id"])
    op.create_index("ix_failed_request_logs_error_code", "failed_request_logs", ["error_code"])
    op.create_index("ix_failed_request_logs_created_at", "failed_request_logs", ["created_at"])


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