import { BaseSchema } from '@adonisjs/lucid/schema'

export default class extends BaseSchema {
  protected tableName = 'web_pages'

  async up() {
    this.schema.raw('DROP TYPE IF EXISTS web_page_status_enum')

    this.schema.createTable(this.tableName, (table) => {
      table.increments('id')
      table
        .enu('status', ['draft', 'published', 'unpublished'], {
          useNative: true,
          enumName: 'web_page_status_enum',
        })
        .notNullable()
        .defaultTo('draft')
      table
        .integer('draft_of_id')
        .unsigned()
        .nullable()
        .references('id')
        .inTable(this.tableName)
        .onDelete('CASCADE')
      table.string('locale', 16).notNullable()
      table.string('path').notNullable()
      table.string('group_key').notNullable()
      table.string('page_type').notNullable()
      table.string('title').notNullable()
      table.jsonb('hero').nullable()
      table.string('seo_title').notNullable().defaultTo('')
      table.text('seo_description').notNullable().defaultTo('')
      table.timestamp('published_at', { useTz: true }).nullable()
      table.timestamp('created_at', { useTz: true }).notNullable()
      table.timestamp('updated_at', { useTz: true }).notNullable()

      table.index(['group_key', 'status'])
      table.index(['locale', 'path', 'status'])
    })

    this.schema.raw(`
      CREATE UNIQUE INDEX web_pages_published_route_unique
      ON ${this.tableName} (locale, path)
      WHERE status = 'published'
    `)
    this.schema.raw(`
      CREATE UNIQUE INDEX web_pages_one_draft_per_page_unique
      ON ${this.tableName} (draft_of_id)
      WHERE draft_of_id IS NOT NULL
    `)
  }

  async down() {
    this.schema.dropTable(this.tableName)
    this.schema.raw('DROP TYPE IF EXISTS web_page_status_enum')
  }
}