exports.up = knex => Promise.resolve()
    .then(() => knex.schema.createTable('actors', (table) => {
        table.increments('id', 12);

        table.string('name')
            .unique()
            .notNullable();
        table.string('gender', 18);

        table.integer('alias_for', 12)
            .references('id')
            .inTable('actors');

        table.string('slug', 32)
            .unique();
    }))
    .then(() => knex.schema.createTable('directors', (table) => {
        table.increments('id', 12);

        table.string('name');
        table.integer('alias_for', 12)
            .references('id')
            .inTable('directors');

        table.string('slug', 32)
            .unique();
    }))
    .then(() => knex.schema.createTable('tags_groups', (table) => {
        table.increments('id', 12);

        table.string('group', 32);
        table.string('slug', 32)
            .unique();
    }))
    .then(() => knex.schema.createTable('tags', (table) => {
        table.increments('id', 12);
        table.string('name');

        table.integer('group_id', 12)
            .references('id')
            .inTable('tags_groups');

        table.integer('alias_for', 12)
            .references('id')
            .inTable('tags');

        table.string('slug', 32)
            .unique();
    }))
    .then(() => knex.schema.createTable('networks', (table) => {
        table.increments('id', 12);

        table.string('name');
        table.string('url');
        table.text('description');
        table.string('parameters');

        table.string('slug', 32)
            .unique();
    }))
    .then(() => knex.schema.createTable('sites', (table) => {
        table.increments('id', 12);

        table.integer('network_id', 12)
            .notNullable()
            .references('id')
            .inTable('networks');

        table.string('name');
        table.string('url');
        table.text('description');
        table.string('parameters');

        table.string('slug', 32)
            .unique();
    }))
    .then(() => knex.schema.createTable('studios', (table) => {
        table.increments('id', 12);

        table.integer('network_id', 12)
            .notNullable()
            .references('id')
            .inTable('networks');

        table.string('name');
        table.string('url');
        table.text('description');

        table.string('slug', 32)
            .unique();
    }))
    .then(() => knex.schema.createTable('releases', (table) => {
        table.increments('id', 16);

        table.integer('site_id', 12)
            .notNullable()
            .references('id')
            .inTable('sites');

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

        table.string('shoot_id');
        table.string('entry_id');
        table.unique(['site_id', 'shoot_id']);
        table.unique(['site_id', 'entry_id']);

        table.string('url');
        table.string('title');
        table.date('date');
        table.text('description');

        table.integer('director', 12)
            .references('id')
            .inTable('directors');

        table.integer('duration')
            .unsigned();

        table.integer('likes')
            .unsigned();

        table.integer('dislikes')
            .unsigned();

        table.integer('rating')
            .unsigned();

        table.boolean('deep');

        table.datetime('created_at')
            .defaultTo(knex.fn.now());
    }))
    .then(() => knex.schema.createTable('media', (table) => {
        table.increments('id', 16);

        table.string('path');
        table.integer('index');
        table.string('mime');

        table.enum('domain', ['networks', 'sites', 'releases', 'actors', 'directors']);
        table.integer('target_id', 16);

        table.enum('role', ['photo', 'poster', 'trailer', 'logo', 'profile']);
        table.string('quality', 6);
    }))
    .then(() => knex.schema.createTable('actors_associated', (table) => {
        table.increments('id', 16);

        table.integer('release_id', 16)
            .notNullable()
            .references('id')
            .inTable('releases');

        table.integer('actor_id', 8)
            .notNullable()
            .references('id')
            .inTable('actors');
    }))
    .then(() => knex.schema.createTable('directors_associated', (table) => {
        table.increments('id', 16);

        table.integer('release_id', 16)
            .notNullable()
            .references('id')
            .inTable('releases');

        table.integer('director_id', 8)
            .notNullable()
            .references('id')
            .inTable('directors');
    }))
    .then(() => knex.schema.createTable('tags_associated', (table) => {
        table.integer('tag_id', 12)
            .notNullable()
            .references('id')
            .inTable('tags');

        table.integer('site_id', 12)
            .references('id')
            .inTable('sites');

        table.integer('release_id', 16)
            .references('id')
            .inTable('releases');
    }));

exports.down = knex => Promise.resolve()
    .then(() => knex.schema.dropTable('tags_associated'))
    .then(() => knex.schema.dropTable('directors_associated'))
    .then(() => knex.schema.dropTable('actors_associated'))
    .then(() => knex.schema.dropTable('tags'))
    .then(() => knex.schema.dropTable('tags_groups'))
    .then(() => knex.schema.dropTable('media'))
    .then(() => knex.schema.dropTable('actors'))
    .then(() => knex.schema.dropTable('releases'))
    .then(() => knex.schema.dropTable('sites'))
    .then(() => knex.schema.dropTable('studios'))
    .then(() => knex.schema.dropTable('directors'))
    .then(() => knex.schema.dropTable('networks'));