"""Initial account tables

Revision ID: acct_0001
Revises: -
Create Date: 2026-02-26
"""

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

revision = "acct_0001"
down_revision = None
branch_labels = None
depends_on = None


def _table_exists(conn, name):
    result = conn.execute(sa.text(
        "SELECT 1 FROM information_schema.tables WHERE table_schema='public' AND table_name=:t"
    ), {"t": name})
    return result.scalar() is not None


def upgrade():
    if _table_exists(op.get_bind(), "users"):
        return

    # 1. users
    op.create_table(
        "users",
        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
        sa.Column("email", sa.String(255), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.text("now()")),
        sa.Column("last_login_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("ghost_id", sa.String(64), nullable=True),
        sa.Column("name", sa.String(255), nullable=True),
        sa.Column("ghost_status", sa.String(50), nullable=True),
        sa.Column("ghost_subscribed", sa.Boolean(), nullable=False, server_default=sa.true()),
        sa.Column("ghost_note", sa.Text(), nullable=True),
        sa.Column("avatar_image", sa.Text(), nullable=True),
        sa.Column("stripe_customer_id", sa.String(255), nullable=True),
        sa.Column("ghost_raw", JSONB(), nullable=True),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index("ix_user_email", "users", ["email"], unique=True)
    op.create_index(op.f("ix_users_ghost_id"), "users", ["ghost_id"], unique=True)
    op.create_index(op.f("ix_users_stripe_customer_id"), "users", ["stripe_customer_id"])

    # 2. ghost_labels
    op.create_table(
        "ghost_labels",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("ghost_id", sa.String(64), nullable=False),
        sa.Column("name", sa.String(255), nullable=False),
        sa.Column("slug", sa.String(255), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(op.f("ix_ghost_labels_ghost_id"), "ghost_labels", ["ghost_id"], unique=True)

    # 3. user_labels
    op.create_table(
        "user_labels",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("user_id", sa.Integer(), nullable=True),
        sa.Column("label_id", sa.Integer(), nullable=True),
        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
        sa.ForeignKeyConstraint(["label_id"], ["ghost_labels.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
        sa.UniqueConstraint("user_id", "label_id", name="uq_user_label"),
    )
    op.create_index(op.f("ix_user_labels_user_id"), "user_labels", ["user_id"])
    op.create_index(op.f("ix_user_labels_label_id"), "user_labels", ["label_id"])

    # 4. ghost_newsletters
    op.create_table(
        "ghost_newsletters",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("ghost_id", sa.String(64), nullable=False),
        sa.Column("name", sa.String(255), nullable=False),
        sa.Column("slug", sa.String(255), nullable=True),
        sa.Column("description", sa.Text(), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(op.f("ix_ghost_newsletters_ghost_id"), "ghost_newsletters", ["ghost_id"], unique=True)

    # 5. user_newsletters
    op.create_table(
        "user_newsletters",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("user_id", sa.Integer(), nullable=True),
        sa.Column("newsletter_id", sa.Integer(), nullable=True),
        sa.Column("subscribed", sa.Boolean(), nullable=False),
        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
        sa.ForeignKeyConstraint(["newsletter_id"], ["ghost_newsletters.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
        sa.UniqueConstraint("user_id", "newsletter_id", name="uq_user_newsletter"),
    )
    op.create_index(op.f("ix_user_newsletters_user_id"), "user_newsletters", ["user_id"])
    op.create_index(op.f("ix_user_newsletters_newsletter_id"), "user_newsletters", ["newsletter_id"])

    # 6. ghost_tiers
    op.create_table(
        "ghost_tiers",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("ghost_id", sa.String(64), nullable=False),
        sa.Column("name", sa.String(255), nullable=False),
        sa.Column("slug", sa.String(255), nullable=True),
        sa.Column("type", sa.String(50), nullable=True),
        sa.Column("visibility", sa.String(50), nullable=True),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(op.f("ix_ghost_tiers_ghost_id"), "ghost_tiers", ["ghost_id"], unique=True)

    # 7. ghost_subscriptions
    op.create_table(
        "ghost_subscriptions",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("ghost_id", sa.String(64), nullable=False),
        sa.Column("user_id", sa.Integer(), nullable=True),
        sa.Column("status", sa.String(50), nullable=True),
        sa.Column("tier_id", sa.Integer(), nullable=True),
        sa.Column("cadence", sa.String(50), nullable=True),
        sa.Column("price_amount", sa.Integer(), nullable=True),
        sa.Column("price_currency", sa.String(10), nullable=True),
        sa.Column("stripe_customer_id", sa.String(255), nullable=True),
        sa.Column("stripe_subscription_id", sa.String(255), nullable=True),
        sa.Column("raw", JSONB(), nullable=True),
        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
        sa.ForeignKeyConstraint(["tier_id"], ["ghost_tiers.id"], ondelete="SET NULL"),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(op.f("ix_ghost_subscriptions_ghost_id"), "ghost_subscriptions", ["ghost_id"], unique=True)
    op.create_index(op.f("ix_ghost_subscriptions_user_id"), "ghost_subscriptions", ["user_id"])
    op.create_index(op.f("ix_ghost_subscriptions_tier_id"), "ghost_subscriptions", ["tier_id"])
    op.create_index(op.f("ix_ghost_subscriptions_stripe_customer_id"), "ghost_subscriptions", ["stripe_customer_id"])
    op.create_index(op.f("ix_ghost_subscriptions_stripe_subscription_id"), "ghost_subscriptions", ["stripe_subscription_id"])

    # 8. magic_links
    op.create_table(
        "magic_links",
        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
        sa.Column("token", sa.String(128), nullable=False),
        sa.Column("user_id", sa.Integer(), nullable=False),
        sa.Column("purpose", sa.String(32), nullable=False),
        sa.Column("expires_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("used_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.text("now()")),
        sa.Column("ip", sa.String(64), nullable=True),
        sa.Column("user_agent", sa.String(256), nullable=True),
        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index("ix_magic_link_token", "magic_links", ["token"], unique=True)
    op.create_index("ix_magic_link_user", "magic_links", ["user_id"])

    # 9. oauth_codes
    op.create_table(
        "oauth_codes",
        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
        sa.Column("code", sa.String(128), nullable=False),
        sa.Column("user_id", sa.Integer(), nullable=False),
        sa.Column("client_id", sa.String(64), nullable=False),
        sa.Column("redirect_uri", sa.String(512), nullable=False),
        sa.Column("expires_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("used_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("grant_token", sa.String(128), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.text("now()")),
        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index("ix_oauth_code_code", "oauth_codes", ["code"], unique=True)
    op.create_index("ix_oauth_code_user", "oauth_codes", ["user_id"])

    # 10. oauth_grants
    op.create_table(
        "oauth_grants",
        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
        sa.Column("token", sa.String(128), nullable=False),
        sa.Column("user_id", sa.Integer(), nullable=False),
        sa.Column("client_id", sa.String(64), nullable=False),
        sa.Column("issuer_session", sa.String(128), nullable=False),
        sa.Column("device_id", sa.String(128), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.text("now()")),
        sa.Column("revoked_at", sa.DateTime(timezone=True), nullable=True),
        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index("ix_oauth_grant_token", "oauth_grants", ["token"], unique=True)
    op.create_index(op.f("ix_oauth_grants_user_id"), "oauth_grants", ["user_id"])
    op.create_index("ix_oauth_grant_issuer", "oauth_grants", ["issuer_session"])
    op.create_index("ix_oauth_grant_device", "oauth_grants", ["device_id", "client_id"])


def downgrade():
    op.drop_table("oauth_grants")
    op.drop_table("oauth_codes")
    op.drop_table("magic_links")
    op.drop_table("ghost_subscriptions")
    op.drop_table("ghost_tiers")
    op.drop_table("user_newsletters")
    op.drop_table("ghost_newsletters")
    op.drop_table("user_labels")
    op.drop_table("ghost_labels")
    op.drop_table("users")