import { describe, it, expect, beforeEach, vi } from 'vitest'
import { settings } from '../../../src/lib/stores/settings.svelte.js'
import { saveSetting, getSetting } from '../../../src/lib/storage/db.js'

beforeEach(() => {
  // Reset settings to defaults
  settings.autoLockMinutes = 5
  settings.lockOnTabSwitch = true
})

describe('SettingsStore', () => {
  describe('default values', () => {
    it('should have default autoLockMinutes of 5', () => {
      expect(settings.autoLockMinutes).toBe(5)
    })

    it('should have default lockOnTabSwitch of true', () => {
      expect(settings.lockOnTabSwitch).toBe(true)
    })
  })

  describe('load()', () => {
    it('should load persisted settings from IndexedDB', async () => {
      await saveSetting('autoLockMinutes', 10)
      await saveSetting('lockOnTabSwitch', false)

      await settings.load()

      expect(settings.autoLockMinutes).toBe(10)
      expect(settings.lockOnTabSwitch).toBe(false)
    })

    it('should fall back to defaults for missing keys', async () => {
      // Remove any previously saved settings
      await saveSetting('autoLockMinutes', undefined)
      await saveSetting('lockOnTabSwitch', undefined)

      await settings.load()

      expect(settings.autoLockMinutes).toBe(5)
      expect(settings.lockOnTabSwitch).toBe(true)
    })

    it('should fall back to defaults for partially missing keys', async () => {
      await saveSetting('autoLockMinutes', 15)
      await saveSetting('lockOnTabSwitch', undefined)

      await settings.load()

      expect(settings.autoLockMinutes).toBe(15)
      expect(settings.lockOnTabSwitch).toBe(true) // default
    })

    it('should handle string values from IndexedDB', async () => {
      await saveSetting('autoLockMinutes', '10')
      await saveSetting('lockOnTabSwitch', 'true')

      await settings.load()

      expect(settings.autoLockMinutes).toBe(10) // coerced to number
      expect(settings.lockOnTabSwitch).toBe(true) // coerced to boolean
    })
  })

  describe('save()', () => {
    it('should persist settings to IndexedDB', async () => {
      settings.autoLockMinutes = 15
      settings.lockOnTabSwitch = false

      await settings.save()

      // Verify by loading back
      const loadedMinutes = await getSetting('autoLockMinutes')
      const loadedTabSwitch = await getSetting('lockOnTabSwitch')
      expect(loadedMinutes).toBe(15)
      expect(loadedTabSwitch).toBe(false)
    })

    it('should persist different values', async () => {
      settings.autoLockMinutes = 30
      settings.lockOnTabSwitch = true

      await settings.save()

      const loadedMinutes = await getSetting('autoLockMinutes')
      const loadedTabSwitch = await getSetting('lockOnTabSwitch')
      expect(loadedMinutes).toBe(30)
      expect(loadedTabSwitch).toBe(true)
    })
  })
})