"""Separate watch gallery metadata; image files retain existing asset access rules."""

import json

from pigway_frame_flow.storage.database import encode

TARGET_ID = "watch"


def record(service, asset_id, metadata):
    service.db.execute(
        "INSERT OR REPLACE INTO asset_sources VALUES(?,?)",
        (asset_id, encode({**metadata, "type": "thumbnail", "target_id": TARGET_ID})),
    )


def recover(service):
    # Earlier automatic thumbnails have authoritative operation receipts. Never
    # guess that an unrelated image is a thumbnail from its name or dimensions.
    rows = service.db.all("SELECT result FROM operations WHERE result IS NOT NULL")
    receipts = [json.loads(row["result"]).get("wrist_thumbnail") for row in rows]
    receipts += [
        json.loads(row["payload"])
        for row in service.db.all(
            "SELECT payload FROM app_config WHERE key LIKE 'wrist-thumbnail:%'"
        )
    ]
    for receipt in receipts:
        if not isinstance(receipt, dict) or not receipt.get("asset_id"):
            continue
        asset_id = receipt["asset_id"]
        if service.db.one(
            "SELECT id FROM assets WHERE id=?", (asset_id,)
        ) and not service.db.one(
            "SELECT asset_id FROM asset_sources WHERE asset_id=?", (asset_id,)
        ):
            record(service, asset_id, receipt)