import 'package:drift/drift.dart';

import 'enums.dart';
import 'sync_columns.dart';

/// The identity/accession — one row per distinct thing in the inventory.
/// Only [label] is mandatory (progressive disclosure).
class Varieties extends Table with SyncColumns {
  TextColumn get label => text()();
  TextColumn get speciesId => text().nullable()(); // → Species
  TextColumn get cultivarName => text().nullable()();
  TextColumn get category =>
      text().nullable()(); // free text, prefilled from family
  TextColumn get notes => text().nullable()();
}

/// The multiple common names of a Variety (separate table so concurrent adds
/// merge as a set).
class VarietyVernacularNames extends Table with SyncColumns {
  TextColumn get varietyId => text()();
  TextColumn get name => text()();
  TextColumn get language => text().nullable()();
  TextColumn get region => text().nullable()();
}

/// Bundled, mostly read-only name catalog (Wikidata CC0 + GBIF CC-BY).
class Species extends Table with SyncColumns {
  TextColumn get scientificName => text()();
  TextColumn get wikidataQid => text().nullable()();
  IntColumn get gbifKey => integer().nullable()();
  TextColumn get family => text().nullable()();
  BoolColumn get isBundled => boolean().withDefault(const Constant(false))();
}

/// Localized common names for the catalog (bundled).
class SpeciesCommonNames extends Table with SyncColumns {
  TextColumn get speciesId => text()();
  TextColumn get name => text()();
  TextColumn get language => text().nullable()();
}

/// A homogeneous batch held for a Variety — its own year and its own unit.
/// Quantity (commons_core value type) is flattened into columns here.
class Lots extends Table with SyncColumns {
  TextColumn get varietyId => text()();
  IntColumn get harvestYear => integer().nullable()();
  TextColumn get quantityKind => text().nullable()(); // QuantityKind.name
  RealColumn get quantityPrecise => real().nullable()();
  TextColumn get quantityLabel => text().nullable()();
  TextColumn get storageLocation => text().nullable()();
  TextColumn get offerStatus =>
      textEnum<OfferStatus>().withDefault(const Constant('private'))();
  TextColumn get seedbankId => text().nullable()();
}

/// Optional germination history for a Lot; percent is derived in code.
class GerminationTests extends Table with SyncColumns {
  TextColumn get lotId => text()();
  IntColumn get testedOn => integer().nullable()(); // date, ms since epoch
  IntColumn get sampleSize => integer().nullable()();
  IntColumn get germinatedCount => integer().nullable()();
  TextColumn get notes => text().nullable()();
}

/// The append-only event log on a Lot — history + provenance DAG.
class Movements extends Table with AppendOnlyColumns {
  TextColumn get lotId => text()();
  TextColumn get type => textEnum<MovementType>()();
  IntColumn get occurredOn => integer().nullable()(); // date, ms since epoch
  TextColumn get counterpartyId => text().nullable()(); // → Party
  TextColumn get quantityKind => text().nullable()();
  RealColumn get quantityPrecise => real().nullable()();
  TextColumn get quantityLabel => text().nullable()();
  TextColumn get parentMovementId => text().nullable()(); // provenance DAG
  TextColumn get plantareId => text().nullable()(); // reserved (social layer)
  TextColumn get notes => text().nullable()();
}

/// A person or collective you exchange with.
class Parties extends Table with SyncColumns {
  TextColumn get displayName => text()();
  TextColumn get publicKey => text().nullable()();
  TextColumn get kind =>
      textEnum<PartyKind>().withDefault(const Constant('person'))();
  TextColumn get note => text().nullable()();
}

/// Photos/docs. Polymorphic parent. Photo bytes are stored in-DB (encrypted at
/// rest by SQLCipher) via [bytes]; external files use [uri]. Storing bytes here
/// keeps the "no plaintext at rest" rule for photos in Block 1; an external
/// encrypted file store is a later optimization.
class Attachments extends Table with SyncColumns {
  TextColumn get parentType => textEnum<ParentType>()();
  TextColumn get parentId => text()();
  TextColumn get kind => textEnum<AttachmentKind>()();
  TextColumn get uri => text().nullable()();
  BlobColumn get bytes => blob().nullable()();
  TextColumn get mimeType => text().nullable()();
}

/// Any pasted URL (Wikipedia, forum…). Polymorphic parent.
class ExternalLinks extends Table with SyncColumns {
  TextColumn get parentType => textEnum<ParentType>()();
  TextColumn get parentId => text()();
  TextColumn get url => text()();
  TextColumn get title => text().nullable()();
}