// How a Pokémon can be obtained in a game. Missing rows mean no source record;
// they do not prove absence. Unknown rows establish presence, not availability.
// New values go at the end: the client receives availability as an index.
// Shared between the db schema and the client, which receives availability as
// an index into this array to keep the page payload small.
export const availabilityValues = [
	'catchable',
	'trade_only',
	'transfer_only',
	'event_only',
	'unknown',
	'evolve',
	'breed'
] as const;

export type Availability = (typeof availabilityValues)[number];

export const availabilityLabels: Record<Availability, string> = {
	catchable: 'catch it',
	trade_only: 'trade only',
	transfer_only: 'transfer only',
	event_only: 'event only',
	unknown: 'not confirmed',
	evolve: 'evolve it',
	breed: 'breed it'
};

// Obtainable inside the game itself, so it counts toward progress and can be ticked.
export const obtainableAvailability: ReadonlySet<Availability> = new Set([
	'catchable',
	'evolve',
	'breed'
]);