import Dexie from "dexie"
import type { DexieTableConfig } from "./DexieTableTypes"
import type { ToString } from "./ToString"
import { FieldType } from "./DexieTablePrimaryKeyTypes"

/**
 * Based on an object representing the schema,
 * with the key being the table name & the value being
 * `DexieTableConfig`, this type represents a runtime
 * `Dexie` db with proxied table accessors
 *
 * @see DexieTableConfig
 */
export type DexieDatabase<Schema extends {}> = Dexie & {
  [Name in keyof Schema]: Schema[Name] extends DexieTableConfig<
      infer T,
      infer Field
      >
    ?
    Dexie.Table<T,
      Field extends [...infer Fields]
        ? {
          [I in keyof Fields]: Fields[I] extends keyof T ? FieldType<T, Fields[I]> : undefined
        }
        : Field extends keyof T
          ? T[Field]
          : never
      > : never
}

/**
 * All table names for a database schema
 */
export type DexieDatabaseTableNames<DB extends Dexie, K extends keyof DB = keyof DB> =
  DB[K] extends Dexie.Table ? K : never