import { type MigrateDownArgs, type MigrateUpArgs, sql } from '@payloadcms/db-sqlite'

const literal = (value: string) => `'${value.replace(/'/g, "''")}'`

const previousDescription =
  'Partner in drei Kategorien: Hauptsponsoren, Medienpartner und weitere Sponsoren. Klicken für Details.'
const interimDescription =
  'Ein starkes Netzwerk aus Unternehmen und Medien begleitet den Bayerischen Mittelstandspreis. Klicken für Details.'
const sponsorDescription =
  'Ein starkes Netzwerk aus Unternehmen und Medien begleitet den Bayerischen Mittelstandspreis. Die gestaffelten Bänder machen die Gewichtung auf jeder Bildschirmgröße klar.'

const tierCopy = [
  { tier: 1, previousLabel: 'Hauptsponsoren', label: 'Große Darstellung' },
  { tier: 2, previousLabel: 'Medienpartner', label: 'Mittlere Darstellung' },
  { tier: 3, previousLabel: 'Weitere Sponsoren', label: 'Kompakte Darstellung' },
] as const

async function updateTierLabels(
  db: MigrateUpArgs['db'],
  tableName: 'network_tiers' | '_network_tiers_v',
  direction: 'up' | 'down',
) {
  for (const copy of tierCopy) {
    const from = direction === 'up' ? copy.previousLabel : copy.label
    const to = direction === 'up' ? copy.label : copy.previousLabel
    await db.run(
      sql.raw(
        `UPDATE ${tableName} SET label = ${literal(to)} WHERE tier = ${copy.tier} AND label = ${literal(from)};`,
      ),
    )
  }
}

export async function up({ db, payload: _payload, req: _req }: MigrateUpArgs): Promise<void> {
  await db.run(
    sql.raw(
      `UPDATE pages SET netzwerk_partners_description = ${literal(sponsorDescription)} WHERE netzwerk_partners_description IN (${literal(previousDescription)}, ${literal(interimDescription)});`,
    ),
  )
  await db.run(
    sql.raw(
      `UPDATE _pages_v SET version_netzwerk_partners_description = ${literal(sponsorDescription)} WHERE version_netzwerk_partners_description IN (${literal(previousDescription)}, ${literal(interimDescription)});`,
    ),
  )
  await updateTierLabels(db, 'network_tiers', 'up')
  await updateTierLabels(db, '_network_tiers_v', 'up')
  await db.run(sql.raw(`UPDATE network_tiers SET note = '' WHERE tier = 1 AND label = 'Große Darstellung' AND note = 'Premium';`))
  await db.run(sql.raw(`UPDATE _network_tiers_v SET note = '' WHERE tier = 1 AND label = 'Große Darstellung' AND note = 'Premium';`))
}

export async function down({ db, payload: _payload, req: _req }: MigrateDownArgs): Promise<void> {
  await db.run(
    sql.raw(
      `UPDATE pages SET netzwerk_partners_description = ${literal(previousDescription)} WHERE netzwerk_partners_description = ${literal(sponsorDescription)};`,
    ),
  )
  await db.run(
    sql.raw(
      `UPDATE _pages_v SET version_netzwerk_partners_description = ${literal(previousDescription)} WHERE version_netzwerk_partners_description = ${literal(sponsorDescription)};`,
    ),
  )
  await updateTierLabels(db, 'network_tiers', 'down')
  await updateTierLabels(db, '_network_tiers_v', 'down')
  await db.run(sql.raw(`UPDATE network_tiers SET note = 'Premium' WHERE tier = 1 AND label = 'Hauptsponsoren' AND note = '';`))
  await db.run(sql.raw(`UPDATE _network_tiers_v SET note = 'Premium' WHERE tier = 1 AND label = 'Hauptsponsoren' AND note = '';`))
}