import { describe, it, expect } from 'vitest'
import { parseItemStats, parseItem, parseItems } from '../src/item.js'

describe('parseItemStats', () => {
  describe('basic stats', () => {
    it('should parse Move Speed', () => {
      // Boots (id: 1001)
      const description =
        '<mainText><stats><attention> 25</attention> Move Speed</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.moveSpeed).toBe(25)
    })

    it('should parse Attack Damage', () => {
      // Long Sword (id: 1036)
      const description =
        '<mainText><stats><attention> 10</attention> Attack Damage</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.attackDamage).toBe(10)
    })

    it('should parse Ability Power', () => {
      // Amplifying Tome (id: 1052)
      const description =
        '<mainText><stats><attention> 20</attention> Ability Power</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.abilityPower).toBe(20)
    })

    it('should parse Health', () => {
      // Ruby Crystal (id: 1028)
      const description =
        '<mainText><stats><attention> 150</attention> Health</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.health).toBe(150)
    })

    it('should parse Armor', () => {
      // Cloth Armor (id: 1029)
      const description =
        '<mainText><stats><attention> 15</attention> Armor</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.armor).toBe(15)
    })

    it('should parse Magic Resist', () => {
      // Null-Magic Mantle (id: 1033)
      const description =
        '<mainText><stats><attention> 20</attention> Magic Resist</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.magicResist).toBe(20)
    })

    it('should parse Mana', () => {
      // Sapphire Crystal (id: 1027)
      const description =
        '<mainText><stats><attention> 300</attention> Mana</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.mana).toBe(300)
    })
  })

  describe('percentage stats', () => {
    it('should parse Attack Speed percentage', () => {
      // Dagger (id: 1042)
      const description =
        '<mainText><stats><attention> 10%</attention> Attack Speed</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.attackSpeed).toBe(10)
    })

    it('should parse Critical Strike Chance', () => {
      // Cloak of Agility (id: 1018)
      const description =
        '<mainText><stats><attention> 15%</attention> Critical Strike Chance</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.criticalStrikeChance).toBe(15)
    })

    it('should parse Life Steal', () => {
      // Vampiric Scepter (id: 1053)
      const description =
        '<mainText><stats><attention> 15</attention> Attack Damage<br><attention> 7%</attention> Life Steal</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.attackDamage).toBe(15)
      expect(stats.lifeSteal).toBe(7)
    })

    it('should parse Base Mana Regen percentage', () => {
      // Faerie Charm (id: 1004)
      const description =
        '<mainText><stats><attention> 50%</attention> Base Mana Regen</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.baseManaRegen).toBe(50)
    })

    it('should parse Base Health Regen percentage', () => {
      // Rejuvenation Bead (id: 1006)
      const description =
        '<mainText><stats><attention> 100%</attention> Base Health Regen</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.baseHealthRegen).toBe(100)
    })
  })

  describe('multiple stats', () => {
    it("should parse multiple stats from Doran's Blade", () => {
      // Doran's Blade (id: 1055)
      const description =
        '<mainText><stats><attention> 10</attention> Attack Damage<br><attention> 80</attention> Health<br><attention> 2.5%</attention> Omnivamp</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.attackDamage).toBe(10)
      expect(stats.health).toBe(80)
      expect(stats.omnivamp).toBe(2.5)
    })

    it("should parse multiple stats from Doran's Ring", () => {
      // Doran's Ring (id: 1056)
      const description =
        '<mainText><stats><attention> 18</attention> Ability Power<br><attention> 90</attention> Health</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.abilityPower).toBe(18)
      expect(stats.health).toBe(90)
    })

    it("should parse multiple stats from Seeker's Armguard", () => {
      // Seeker's Armguard (id: 2420)
      const description =
        '<mainText><stats><attention> 40</attention> Ability Power<br><attention> 25</attention> Armor</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.abilityPower).toBe(40)
      expect(stats.armor).toBe(25)
    })

    it('should parse complex item with many stats', () => {
      // Overlord's Bloodmail (id: 2501)
      const description =
        '<mainText><stats><attention> 30</attention> Attack Damage<br><attention> 550</attention> Health</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.attackDamage).toBe(30)
      expect(stats.health).toBe(550)
    })

    it('should parse item with Ability Haste', () => {
      // Unending Despair (id: 2502)
      const description =
        '<mainText><stats><attention> 400</attention> Health<br><attention> 50</attention> Armor<br><attention> 15</attention> Ability Haste</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.health).toBe(400)
      expect(stats.armor).toBe(50)
      expect(stats.abilityHaste).toBe(15)
    })

    it('should parse item with Mana and Ability Haste', () => {
      // Blackfire Torch (id: 2503)
      const description =
        '<mainText><stats><attention> 80</attention> Ability Power<br><attention> 600</attention> Mana<br><attention> 20</attention> Ability Haste</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.abilityPower).toBe(80)
      expect(stats.mana).toBe(600)
      expect(stats.abilityHaste).toBe(20)
    })
  })

  describe('edge cases', () => {
    it('should return empty object for empty description', () => {
      const stats = parseItemStats('')
      expect(stats).toEqual({})
    })

    it('should return empty object for description without stats', () => {
      const description = '<mainText><stats></stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats).toEqual({})
    })

    it('should handle description with only passive text', () => {
      // Emberknife (id: 1035) - no stats, only passives
      const description =
        '<mainText><stats></stats><br><br> <passive>7%</passive> Omnivamp against jungle monsters<br><li><passive>Sear:</passive> Damaging jungle monsters burns them for <magicDamage> magic damage</magicDamage> over 5 seconds.</mainText>'
      const stats = parseItemStats(description)
      expect(stats).toEqual({})
    })

    it('should handle decimal values', () => {
      const description =
        '<mainText><stats><attention> 2.5%</attention> Omnivamp</stats><br><br></mainText>'
      const stats = parseItemStats(description)
      expect(stats.omnivamp).toBe(2.5)
    })
  })
})

describe('parseItem', () => {
  it('should parse item and add stats', () => {
    const item = {
      id: 1001,
      name: 'Boots',
      description:
        '<mainText><stats><attention> 25</attention> Move Speed</stats><br><br></mainText>',
      iconPath: '/path/to/icon.png'
    }

    const result = parseItem(item)
    expect(result.id).toBe(1001)
    expect(result.name).toBe('Boots')
    expect(result.stats.moveSpeed).toBe(25)
  })
})

describe('parseItems', () => {
  it('should parse multiple items', () => {
    const items = [
      {
        id: 1001,
        name: 'Boots',
        description:
          '<mainText><stats><attention> 25</attention> Move Speed</stats><br><br></mainText>',
        iconPath: '/path/to/boots.png'
      },
      {
        id: 1036,
        name: 'Long Sword',
        description:
          '<mainText><stats><attention> 10</attention> Attack Damage</stats><br><br></mainText>',
        iconPath: '/path/to/sword.png'
      }
    ]

    const results = parseItems(items)
    expect(results).toHaveLength(2)
    expect(results[0].stats.moveSpeed).toBe(25)
    expect(results[1].stats.attackDamage).toBe(10)
  })
})