// Mock chrome APIs for Node test environment
;(globalThis as any).chrome = {
  storage: {
    local: {
      get: async () => ({}),
      set: async () => {},
      clear: async () => {},
    },
  },
  runtime: {
    sendMessage: async () => ({}),
    onMessage: { addListener: () => {} },
    onStartup: { addListener: () => {} },
    onInstalled: { addListener: () => {} },
  },
  alarms: {
    create: async () => {},
    clear: async () => true,
    onAlarm: { addListener: () => {} },
  },
  action: {
    setBadgeText: async () => {},
    setBadgeBackgroundColor: async () => {},
  },
}

import { describe, it } from 'node:test'
import assert from 'node:assert'
import {
  formatDuration,
  formatDurationShort,
  formatDate,
  formatTime,
  getTodayEntries,
  getWeekEntries,
  generateId,
} from '../src/storage.js'

describe('formatDuration', () => {
  it('formats 0 ms', () => {
    assert.strictEqual(formatDuration(0), '0h 00m')
  })

  it('formats 1 hour', () => {
    assert.strictEqual(formatDuration(3600000), '1h 00m')
  })

  it('formats 90 minutes', () => {
    assert.strictEqual(formatDuration(5400000), '1h 30m')
  })

  it('formats 25 minutes', () => {
    assert.strictEqual(formatDuration(1500000), '0h 25m')
  })
})

describe('formatDurationShort', () => {
  it('formats 0 ms', () => {
    assert.strictEqual(formatDurationShort(0), '0:00')
  })

  it('formats 1 hour 5 min', () => {
    assert.strictEqual(formatDurationShort(3900000), '1:05')
  })
})

describe('formatDate', () => {
  it('formats a timestamp', () => {
    const ts = new Date('2024-06-20T10:00:00Z').getTime()
    const result = formatDate(ts)
    assert.ok(result.includes('Jun') || result.includes('20'))
  })
})

describe('formatTime', () => {
  it('formats a timestamp', () => {
    const ts = new Date('2024-06-20T10:30:00Z').getTime()
    const result = formatTime(ts)
    assert.ok(result.includes(':'))
  })
})

describe('getTodayEntries', () => {
  it('returns only today entries', () => {
    const now = new Date()
    const startOfDay = new Date(now.getFullYear(), now.getMonth(), now.getDate()).getTime()
    const todayEntry = startOfDay + 3600000 // 1 hour after start of day
    const yesterdayEntry = startOfDay - 3600000 // 1 hour before start of day
    const entries = [
      { id: '1', startTime: todayEntry, endTime: todayEntry + 1800000, duration: 1800000, description: 'A', client: 'C', project: 'P', createdAt: todayEntry },
      { id: '2', startTime: yesterdayEntry, endTime: yesterdayEntry + 1800000, duration: 1800000, description: 'B', client: 'C', project: 'P', createdAt: yesterdayEntry },
    ]
    const result = getTodayEntries(entries)
    assert.strictEqual(result.length, 1)
    assert.strictEqual(result[0].id, '1')
  })

  it('excludes running entries', () => {
    const now = Date.now()
    const entries = [
      { id: '1', startTime: now - 3600000, endTime: null, duration: 0, description: 'A', client: 'C', project: 'P', createdAt: now },
    ]
    const result = getTodayEntries(entries)
    assert.strictEqual(result.length, 0)
  })
})

describe('getWeekEntries', () => {
  it('returns entries from this week', () => {
    const now = new Date()
    const dayOfWeek = now.getDay()
    const startOfWeek = new Date(now.getFullYear(), now.getMonth(), now.getDate() - dayOfWeek)
    const weekEntry = startOfWeek.getTime() + 3600000
    const oldEntry = startOfWeek.getTime() - 86400000
    const entries = [
      { id: '1', startTime: weekEntry, endTime: weekEntry + 1800000, duration: 1800000, description: 'A', client: 'C', project: 'P', createdAt: weekEntry },
      { id: '2', startTime: oldEntry, endTime: oldEntry + 1800000, duration: 1800000, description: 'B', client: 'C', project: 'P', createdAt: oldEntry },
    ]
    const result = getWeekEntries(entries)
    assert.strictEqual(result.length, 1)
    assert.strictEqual(result[0].id, '1')
  })
})

describe('generateId', () => {
  it('generates unique ids', () => {
    const id1 = generateId()
    const id2 = generateId()
    assert.notStrictEqual(id1, id2)
    assert.ok(id1.length > 10)
  })
})