// apps/hq/test/settings-sharing.test.ts
import { describe, it, expect } from 'vitest'
import { openDb } from '../src/db'
import { createClient } from '../src/repos-clients'
import { createModule, setPrice } from '../src/repos-modules'
import { createDraft } from '../src/repos-documents'
import { mintShare } from '../src/repos-shares'

async function setup() {
  const db = openDb(':memory:')
  await db.run(`INSERT INTO setting (key, value) VALUES ('company.state_code','32')`)
  await db.run(`INSERT INTO tax_class (class_code, rate_pct_bp, effective_from) VALUES ('GST18', 1800, '2017-07-01')`)
  const c = await createClient(db, 'u1', { name: 'Acme', stateCode: '32' })
  const m = await createModule(db, 'u1', { code: 'POS', name: 'POS Billing' })
  await setPrice(db, 'u1', { moduleId: m.id, kind: 'yearly', pricePaise: 10_000_00, effectiveFrom: '2026-04-01' })
  const doc = await createDraft(db, 'u1', { docType: 'QUOTATION', clientId: c.id,
    lines: [{ moduleId: m.id, qty: 1, kind: 'yearly' }] })
  return { db, c, m, doc }
}

describe('mintShare default expiry (share.default_expiry_days setting)', () => {
  it('no setting row: defaults to +30d', async () => {
    const { db, doc } = await setup()
    const s = await mintShare(db, 'u1', doc.id)
    expect(s.expiresAt).not.toBeNull()
    const days = (new Date(s.expiresAt!).getTime() - Date.now()) / 86_400_000
    expect(days).toBeGreaterThan(29)
    expect(days).toBeLessThan(31)
  })

  it("setting '7': defaults to +7d", async () => {
    const { db, doc } = await setup()
    await db.run(`INSERT INTO setting (key, value) VALUES ('share.default_expiry_days', '7')`)
    const s = await mintShare(db, 'u1', doc.id)
    expect(s.expiresAt).not.toBeNull()
    const days = (new Date(s.expiresAt!).getTime() - Date.now()) / 86_400_000
    expect(days).toBeGreaterThan(6)
    expect(days).toBeLessThan(8)
  })

  it("setting 'never': expiresAt is null", async () => {
    const { db, doc } = await setup()
    await db.run(`INSERT INTO setting (key, value) VALUES ('share.default_expiry_days', 'never')`)
    const s = await mintShare(db, 'u1', doc.id)
    expect(s.expiresAt).toBeNull()
  })

  it('explicit opts.expiresDays always wins over the setting (including explicit null)', async () => {
    const { db, doc } = await setup()
    await db.run(`INSERT INTO setting (key, value) VALUES ('share.default_expiry_days', '7')`)
    const s1 = await mintShare(db, 'u1', doc.id, { expiresDays: 3 })
    expect(s1.expiresAt).not.toBeNull()
    const days1 = (new Date(s1.expiresAt!).getTime() - Date.now()) / 86_400_000
    expect(days1).toBeGreaterThan(2)
    expect(days1).toBeLessThan(4)
    const s2 = await mintShare(db, 'u1', doc.id, { expiresDays: null })
    expect(s2.expiresAt).toBeNull()
  })

  it("garbage setting 'abc': falls back to +30d", async () => {
    const { db, doc } = await setup()
    await db.run(`INSERT INTO setting (key, value) VALUES ('share.default_expiry_days', 'abc')`)
    const s = await mintShare(db, 'u1', doc.id)
    expect(s.expiresAt).not.toBeNull()
    const days = (new Date(s.expiresAt!).getTime() - Date.now()) / 86_400_000
    expect(days).toBeGreaterThan(29)
    expect(days).toBeLessThan(31)
  })
})