"""Initial schema.

Revision ID: 0001_initial
Revises:
Create Date: 2026-05-29
"""

from collections.abc import Sequence

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

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


def upgrade() -> None:
    op.create_table(
        "videos",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("source_url", sa.Text(), nullable=False, unique=True),
        sa.Column("filename", sa.Text(), nullable=False),
        sa.Column("size_bytes", sa.BigInteger()),
        sa.Column("size_samples", postgresql.JSONB(astext_type=sa.Text()), nullable=False),
        sa.Column("duration_sec", sa.Float()),
        sa.Column("codec_metadata", postgresql.JSONB(astext_type=sa.Text()), nullable=False),
        sa.Column("ingest_status", sa.String(length=32), nullable=False),
        sa.Column("processing_status", sa.String(length=32), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
    )
    op.create_index("ix_videos_ingest_status", "videos", ["ingest_status"])

    op.create_table(
        "pipeline_runs",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("video_id", sa.Integer(), sa.ForeignKey("videos.id", ondelete="CASCADE"), nullable=False),
        sa.Column("trigger", sa.String(length=32), nullable=False),
        sa.Column("stage", sa.String(length=64), nullable=False),
        sa.Column("status", sa.String(length=32), nullable=False),
        sa.Column("error", sa.Text()),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
    )

    op.create_table(
        "artifacts",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("video_id", sa.Integer(), sa.ForeignKey("videos.id", ondelete="CASCADE")),
        sa.Column("clip_id", sa.Integer()),
        sa.Column("artifact_type", sa.String(length=64), nullable=False),
        sa.Column("local_path", sa.Text(), nullable=False),
        sa.Column("webdav_url", sa.Text()),
        sa.Column("preserve", sa.Boolean(), nullable=False),
        sa.Column("metadata", postgresql.JSONB(astext_type=sa.Text()), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
    )

    op.create_table(
        "transcript_segments",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("video_id", sa.Integer(), sa.ForeignKey("videos.id", ondelete="CASCADE"), nullable=False),
        sa.Column("start_sec", sa.Float(), nullable=False),
        sa.Column("end_sec", sa.Float(), nullable=False),
        sa.Column("text", sa.Text(), nullable=False),
        sa.Column("speaker", sa.Text()),
        sa.Column("confidence", sa.Float()),
        sa.Column("metadata", postgresql.JSONB(astext_type=sa.Text()), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
    )
    op.create_index("ix_transcript_segments_video_id", "transcript_segments", ["video_id"])

    op.create_table(
        "clip_suggestions",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("video_id", sa.Integer(), sa.ForeignKey("videos.id", ondelete="CASCADE"), nullable=False),
        sa.Column("start_sec", sa.Float(), nullable=False),
        sa.Column("end_sec", sa.Float(), nullable=False),
        sa.Column("title_zh", sa.Text(), nullable=False),
        sa.Column("summary_zh", sa.Text(), nullable=False),
        sa.Column("reason", sa.Text(), nullable=False),
        sa.Column("score", sa.Float(), nullable=False),
        sa.Column("tags", postgresql.JSONB(astext_type=sa.Text()), nullable=False),
        sa.Column("subtitle_priority", sa.String(length=32), nullable=False),
        sa.Column("llm_raw", postgresql.JSONB(astext_type=sa.Text()), nullable=False),
        sa.Column("approval_status", sa.String(length=32), nullable=False),
        sa.Column("render_status", sa.String(length=32), nullable=False),
        sa.Column("upload_status", sa.String(length=32), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
    )

    op.create_table(
        "settings",
        sa.Column("key", sa.String(length=128), primary_key=True),
        sa.Column("value", postgresql.JSONB(astext_type=sa.Text()), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
    )


def downgrade() -> None:
    op.drop_table("settings")
    op.drop_table("clip_suggestions")
    op.drop_index("ix_transcript_segments_video_id", table_name="transcript_segments")
    op.drop_table("transcript_segments")
    op.drop_table("artifacts")
    op.drop_table("pipeline_runs")
    op.drop_index("ix_videos_ingest_status", table_name="videos")
    op.drop_table("videos")