"""initial

Revision ID: 0001
Revises:
Create Date: 2026-08-02 00:00:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

# revision identifiers, used by Alembic.
revision: str = "0001"
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(
        "samples",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("repo", sa.String(255), nullable=False),
        sa.Column("commit_sha", sa.String(40), nullable=False),
        sa.Column("language", sa.String(50), nullable=False),
        sa.Column("diff", sa.Text, nullable=False),
        sa.Column("before_context", sa.Text, nullable=True),
        sa.Column("after_context", sa.Text, nullable=True),
        sa.Column("created_at", sa.DateTime, nullable=False),
    )

    op.create_table(
        "defects",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("sample_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("samples.id"), nullable=False),
        sa.Column("defect_type", sa.String(100), nullable=False),
        sa.Column("language", sa.String(50), nullable=False),
        sa.Column("line_start", sa.Integer, nullable=True),
        sa.Column("line_end", sa.Integer, nullable=True),
        sa.Column("description", sa.Text, nullable=True),
        sa.Column("reference_fix", sa.Text, nullable=True),
        sa.Column("created_at", sa.DateTime, nullable=False),
    )

    op.create_table(
        "prompt_templates",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("strategy_id", sa.String(100), nullable=False),
        sa.Column("level", sa.String(20), nullable=False),
        sa.Column("created_at", sa.DateTime, nullable=False),
        sa.UniqueConstraint("strategy_id", "level", name="uix_strategy_level"),
    )

    op.create_table(
        "prompt_template_versions",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("template_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("prompt_templates.id"), nullable=False),
        sa.Column("version_number", sa.Integer, nullable=False),
        sa.Column("body", sa.Text, nullable=False),
        sa.Column("variables_schema", sa.JSON, nullable=False),
        sa.Column("created_at", sa.DateTime, nullable=False),
    )

    op.create_table(
        "experiments",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("name", sa.String(255), nullable=False),
        sa.Column("models", sa.JSON, nullable=False),
        sa.Column("levels", sa.JSON, nullable=False),
        sa.Column("sample_ids", sa.JSON, nullable=False),
        sa.Column("repeats", sa.Integer, nullable=False),
        sa.Column("sampling_params", sa.JSON, nullable=False),
        sa.Column("status", sa.String(20), nullable=False),
        sa.Column("created_at", sa.DateTime, nullable=False),
    )

    op.create_table(
        "experiment_runs",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("run_id", sa.String(64), unique=True, nullable=False),
        sa.Column("experiment_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("experiments.id"), nullable=False),
        sa.Column("sample_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("samples.id"), nullable=False),
        sa.Column("model_id", sa.String(100), nullable=False),
        sa.Column("template_version_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("prompt_template_versions.id"), nullable=False),
        sa.Column("repeat_index", sa.Integer, nullable=False),
        sa.Column("status", sa.String(20), nullable=False),
        sa.Column("retry_count", sa.Integer, nullable=False),
        sa.Column("sampling_params", sa.JSON, nullable=False),
        sa.Column("started_at", sa.DateTime, nullable=True),
        sa.Column("completed_at", sa.DateTime, nullable=True),
        sa.Column("created_at", sa.DateTime, nullable=False),
    )

    op.create_table(
        "results",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("run_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("experiment_runs.id"), nullable=False, unique=True),
        sa.Column("raw_output", sa.Text, nullable=True),
        sa.Column("token_usage", sa.JSON, nullable=True),
        sa.Column("latency_ms", sa.Float, nullable=True),
        sa.Column("parsed_findings", sa.JSON, nullable=True),
        sa.Column("detection_rate", sa.Float, nullable=True),
        sa.Column("false_positive_rate", sa.Float, nullable=True),
        sa.Column("coverage_rate", sa.Float, nullable=True),
        sa.Column("stability_score", sa.Float, nullable=True),
        sa.Column("likert_score", sa.Integer, nullable=True),
        sa.Column("created_at", sa.DateTime, nullable=False),
        sa.Column("updated_at", sa.DateTime, nullable=False),
    )


def downgrade() -> None:
    op.drop_table("results")
    op.drop_table("experiment_runs")
    op.drop_table("experiments")
    op.drop_table("prompt_template_versions")
    op.drop_table("prompt_templates")
    op.drop_table("defects")
    op.drop_table("samples")