exports.up = async (knex) => Promise.resolve()
	.then(() => knex.schema.createTable('series', (table) => {
		table.increments('id', 16);

		table.integer('entity_id', 12)
			.references('id')
			.inTable('entities')
			.notNullable();

		table.integer('studio_id', 12)
			.references('id')
			.inTable('entities');

		table.text('entry_id');
		table.unique(['entity_id', 'entry_id']);

		table.text('url', 1000);
		table.text('title');
		table.text('slug');

		table.timestamp('date');
		table.index('date');

		table.enum('date_precision', ['year', 'month', 'week', 'day', 'hour', 'minute', 'second'])
			.defaultTo('day');

		table.text('description');

		table.boolean('deep');
		table.text('deep_url', 1000);

		table.text('comment');

		table.integer('created_batch_id', 12)
			.references('id')
			.inTable('batches')
			.onDelete('cascade');

		table.integer('updated_batch_id', 12)
			.references('id')
			.inTable('batches')
			.onDelete('cascade');

		table.datetime('created_at')
			.defaultTo(knex.fn.now());
	}))
	.then(() => knex.schema.createTable('series_scenes', (table) => {
		table.integer('serie_id', 16)
			.notNullable()
			.references('id')
			.inTable('series')
			.onDelete('cascade');

		table.integer('scene_id', 16)
			.notNullable()
			.references('id')
			.inTable('releases')
			.onDelete('cascade');

		table.unique(['serie_id', 'scene_id']);

		table.datetime('created_at')
			.defaultTo(knex.fn.now());
	}))
	.then(() => knex.schema.createTable('series_trailers', (table) => {
		table.integer('serie_id', 16)
			.unique()
			.notNullable()
			.references('id')
			.inTable('series')
			.onDelete('cascade');

		table.text('media_id', 21)
			.notNullable()
			.references('id')
			.inTable('media');
	}))
	.then(() => knex.schema.createTable('series_posters', (table) => {
		table.integer('serie_id', 16)
			.notNullable()
			.references('id')
			.inTable('series')
			.onDelete('cascade');

		table.text('media_id', 21)
			.notNullable()
			.references('id')
			.inTable('media')
			.onDelete('cascade');

		table.unique('serie_id');
	}));

exports.down = async (knex) => Promise.resolve()
	.then(() => knex.schema.dropTable('series_covers'))
	.then(() => knex.schema.dropTable('series_trailers'))
	.then(() => knex.schema.dropTable('series_posters'))
	.then(() => knex.schema.dropTable('series'));