package link.roadio.riff.shared.config

import android.content.ContentProvider
import android.content.ContentValues
import android.database.Cursor
import android.net.Uri
import android.os.Binder
import android.os.Bundle
import android.os.Process

/** A surviving Player hands its frozen configuration to a restarted Indexer without rereading SAF.
 * AI-INTENT: Peek only. Calling load here would recurse during the original cold-start handshake.
 * Authority: https://wiki.271.pics/Riff/1-1-0/configuration#one-coherent-startup
 */
class PlayerConfigurationSessionProvider : ContentProvider() {
    override fun onCreate(): Boolean = true

    override fun call(
        method: String,
        arg: String?,
        extras: Bundle?,
    ): Bundle {
        check(Binder.getCallingUid() == Process.myUid())
        require(method == "frozen")
        val snapshot = AndroidProjectConfiguration.currentOrNull()
        return Bundle().apply {
            putBoolean("present", snapshot != null)
            ConfigurationHandoff.put(
                this,
                AndroidProjectConfiguration.aggregateText().takeIf { snapshot != null && snapshot.problem == null },
            )
            putString("problem", snapshot?.problem?.name)
        }
    }

    override fun query(
        uri: Uri,
        projection: Array<out String>?,
        selection: String?,
        selectionArgs: Array<out String>?,
        sortOrder: String?,
    ): Cursor? = null

    override fun getType(uri: Uri): String? = null

    override fun insert(
        uri: Uri,
        values: ContentValues?,
    ): Uri? = throw UnsupportedOperationException()

    override fun delete(
        uri: Uri,
        selection: String?,
        selectionArgs: Array<out String>?,
    ): Int = throw UnsupportedOperationException()

    override fun update(
        uri: Uri,
        values: ContentValues?,
        selection: String?,
        selectionArgs: Array<out String>?,
    ): Int = throw UnsupportedOperationException()
}