"""initial schema: proposals, audit_log, mail_messages, content_items, daemon_runs

Revision ID: 0001
Revises:
Create Date: 2026-10-19
"""
import sqlalchemy as sa

from alembic import op

revision = "0001"
down_revision = None
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "proposals",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column(
            "source",
            sa.Enum("SCANNER", "MANUAL", name="proposalsource"),
            nullable=False,
        ),
        sa.Column("kind", sa.String(length=64), nullable=False),
        sa.Column("title", sa.String(length=512), nullable=False),
        sa.Column("url", sa.String(length=1024), nullable=True),
        sa.Column("detail", sa.JSON(), nullable=False),
        sa.Column("risk_score", sa.Float(), nullable=False),
        sa.Column(
            "status",
            sa.Enum(
                "PROPOSED", "APPROVED", "REJECTED", "RUNNING", "DONE", "FAILED",
                name="proposalstatus",
            ),
            nullable=False,
        ),
        sa.Column("attempts", sa.Integer(), nullable=False),
        sa.Column("dedupe_key", sa.String(length=256), nullable=True),
        sa.Column("approved_by", sa.String(length=128), nullable=True),
        sa.Column("approved_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
        sa.UniqueConstraint("dedupe_key"),
    )
    op.create_index("ix_proposals_status", "proposals", ["status"])

    op.create_table(
        "audit_log",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("ts", sa.DateTime(timezone=True), nullable=False),
        sa.Column("actor", sa.String(length=128), nullable=False),
        sa.Column("proposal_id", sa.Integer(), nullable=True),
        sa.Column("action", sa.String(length=64), nullable=False),
        sa.Column("detail", sa.JSON(), nullable=False),
        sa.Column("result", sa.String(length=32), nullable=False),
        sa.ForeignKeyConstraint(["proposal_id"], ["proposals.id"], ondelete="SET NULL"),
    )
    op.create_index("ix_audit_log_ts", "audit_log", ["ts"])
    op.create_index("ix_audit_log_proposal_id", "audit_log", ["proposal_id"])

    op.create_table(
        "mail_messages",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column(
            "direction",
            sa.Enum("INBOUND", "OUTBOUND", name="maildirection"),
            nullable=False,
        ),
        sa.Column("message_id", sa.String(length=998), nullable=True),
        sa.Column("in_reply_to", sa.String(length=998), nullable=True),
        sa.Column("from_addr", sa.String(length=320), nullable=True),
        sa.Column("to_addr", sa.String(length=320), nullable=True),
        sa.Column("subject", sa.String(length=998), nullable=True),
        sa.Column("body", sa.Text(), nullable=True),
        sa.Column(
            "classification",
            sa.Enum(
                "APPROVAL", "REJECTION", "QUESTION", "OTHER", "NEEDS_REVIEW",
                name="mailclassification",
            ),
            nullable=True,
        ),
        sa.Column("confidence", sa.Float(), nullable=False),
        sa.Column("proposal_id", sa.Integer(), nullable=True),
        sa.Column(
            "draft_status",
            sa.Enum(
                "NONE", "DRAFTED", "APPROVED", "SENT", "SKIPPED", name="draftstatus"
            ),
            nullable=False,
        ),
        sa.Column("draft_reply", sa.Text(), nullable=True),
        sa.Column("processed_at", sa.DateTime(timezone=True), nullable=True),
        sa.ForeignKeyConstraint(["proposal_id"], ["proposals.id"], ondelete="SET NULL"),
    )
    op.create_index("ix_mail_messages_message_id", "mail_messages", ["message_id"])
    op.create_index("ix_mail_messages_proposal_id", "mail_messages", ["proposal_id"])

    op.create_table(
        "content_items",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("theme", sa.String(length=128), nullable=False),
        sa.Column("channel", sa.String(length=32), nullable=False),
        sa.Column("caption", sa.Text(), nullable=False),
        sa.Column("media_path", sa.String(length=1024), nullable=True),
        sa.Column("link", sa.String(length=1024), nullable=True),
        sa.Column(
            "status",
            sa.Enum("DRAFT", "APPROVED", "PUBLISHED", name="contentstatus"),
            nullable=False,
        ),
        sa.Column("scheduled_for", sa.DateTime(timezone=True), nullable=True),
        sa.Column("published_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("post_ref", sa.String(length=512), nullable=True),
        sa.Column("error", sa.Text(), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
    )
    op.create_index("ix_content_items_status", "content_items", ["status"])

    op.create_table(
        "daemon_runs",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("daemon", sa.String(length=32), nullable=False),
        sa.Column("started_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("finished_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("status", sa.String(length=16), nullable=False),
        sa.Column("detail", sa.JSON(), nullable=False),
    )
    op.create_index("ix_daemon_runs_daemon", "daemon_runs", ["daemon"])


def downgrade() -> None:
    op.drop_table("daemon_runs")
    op.drop_table("content_items")
    op.drop_table("mail_messages")
    op.drop_table("audit_log")
    op.drop_table("proposals")
    for enum_name in (
        "proposalsource", "proposalstatus", "maildirection",
        "mailclassification", "draftstatus", "contentstatus",
    ):
        op.execute(f"DROP TYPE IF EXISTS {enum_name}")