"""Initial schema with user authentication

Revision ID: c47f20eb915d
Revises: 
Create Date: 2025-11-26 14:25:12.933911

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'c47f20eb915d'
down_revision: Union[str, Sequence[str], None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('users',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('username', sa.String(length=80), nullable=False),
    sa.Column('email', sa.String(length=120), nullable=False),
    sa.Column('password_hash', sa.String(length=255), nullable=False),
    sa.Column('created_at', sa.DateTime(), nullable=False),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True)
    op.create_index(op.f('ix_users_username'), 'users', ['username'], unique=True)
    op.create_table('channels',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('user_id', sa.Integer(), nullable=False),
    sa.Column('channel_id', sa.String(length=50), nullable=False),
    sa.Column('title', sa.String(length=200), nullable=False),
    sa.Column('link', sa.String(length=500), nullable=False),
    sa.Column('rss_url', sa.String(length=500), nullable=False),
    sa.Column('last_fetched_at', sa.DateTime(), nullable=True),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index('idx_user_channel', 'channels', ['user_id', 'channel_id'], unique=True)
    op.create_index(op.f('ix_channels_channel_id'), 'channels', ['channel_id'], unique=False)
    op.create_index(op.f('ix_channels_user_id'), 'channels', ['user_id'], unique=False)
    op.create_table('video_entries',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('channel_id', sa.Integer(), nullable=False),
    sa.Column('video_id', sa.String(length=50), nullable=False),
    sa.Column('title', sa.String(length=500), nullable=False),
    sa.Column('video_url', sa.String(length=500), nullable=False),
    sa.Column('thumbnail_url', sa.String(length=500), nullable=True),
    sa.Column('description', sa.Text(), nullable=True),
    sa.Column('published_at', sa.DateTime(), nullable=False),
    sa.Column('created_at', sa.DateTime(), nullable=False),
    sa.Column('download_status', sa.Enum('PENDING', 'DOWNLOADING', 'COMPLETED', 'FAILED', name='downloadstatus'), nullable=False),
    sa.Column('download_path', sa.String(length=1000), nullable=True),
    sa.Column('download_started_at', sa.DateTime(), nullable=True),
    sa.Column('download_completed_at', sa.DateTime(), nullable=True),
    sa.Column('download_error', sa.String(length=2000), nullable=True),
    sa.Column('file_size', sa.BigInteger(), nullable=True),
    sa.ForeignKeyConstraint(['channel_id'], ['channels.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index('idx_channel_created', 'video_entries', ['channel_id', 'created_at'], unique=False)
    op.create_index('idx_download_status', 'video_entries', ['download_status'], unique=False)
    op.create_index('idx_published_at', 'video_entries', ['published_at'], unique=False)
    op.create_index('idx_video_id_channel', 'video_entries', ['video_id', 'channel_id'], unique=True)
    op.create_index(op.f('ix_video_entries_published_at'), 'video_entries', ['published_at'], unique=False)
    op.create_index(op.f('ix_video_entries_video_id'), 'video_entries', ['video_id'], unique=False)
    op.create_index(op.f('ix_video_entries_video_url'), 'video_entries', ['video_url'], unique=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('ix_video_entries_video_url'), table_name='video_entries')
    op.drop_index(op.f('ix_video_entries_video_id'), table_name='video_entries')
    op.drop_index(op.f('ix_video_entries_published_at'), table_name='video_entries')
    op.drop_index('idx_video_id_channel', table_name='video_entries')
    op.drop_index('idx_published_at', table_name='video_entries')
    op.drop_index('idx_download_status', table_name='video_entries')
    op.drop_index('idx_channel_created', table_name='video_entries')
    op.drop_table('video_entries')
    op.drop_index(op.f('ix_channels_user_id'), table_name='channels')
    op.drop_index(op.f('ix_channels_channel_id'), table_name='channels')
    op.drop_index('idx_user_channel', table_name='channels')
    op.drop_table('channels')
    op.drop_index(op.f('ix_users_username'), table_name='users')
    op.drop_index(op.f('ix_users_email'), table_name='users')
    op.drop_table('users')
    # ### end Alembic commands ###