import { describe, it, expect, beforeEach } from 'vitest'
import { setActivePinia, createPinia } from 'pinia'
import { useGameStore } from '~/store/game'
import type { DefensiveDecision, OffensiveDecision } from '~/types/game'

describe('Game Store - Decision Methods', () => {
  beforeEach(() => {
    // Ensure process.env exists before creating Pinia
    if (!process.env) {
      (process as any).env = {}
    }
    process.env.NODE_ENV = 'test'

    setActivePinia(createPinia())
  })

  describe('setPendingDefensiveSetup', () => {
    it('sets defensive setup', () => {
      const store = useGameStore()
      const setup: DefensiveDecision = {
        infield_depth: 'back',
        outfield_depth: 'normal',
        hold_runners: [1, 3],
      }

      store.setPendingDefensiveSetup(setup)
      expect(store.pendingDefensiveSetup).toEqual(setup)
    })

    it('clears defensive setup with null', () => {
      const store = useGameStore()
      const setup: DefensiveDecision = {
        infield_depth: 'normal',
        outfield_depth: 'normal',
        hold_runners: [],
      }

      store.setPendingDefensiveSetup(setup)
      store.setPendingDefensiveSetup(null)
      expect(store.pendingDefensiveSetup).toBeNull()
    })
  })

  describe('setPendingOffensiveDecision', () => {
    it('sets offensive decision', () => {
      const store = useGameStore()
      const decision: Omit<OffensiveDecision, 'steal_attempts'> = {
        action: 'hit_and_run',
      }

      store.setPendingOffensiveDecision(decision)
      expect(store.pendingOffensiveDecision).toEqual(decision)
    })

    it('clears offensive decision with null', () => {
      const store = useGameStore()
      const decision: Omit<OffensiveDecision, 'steal_attempts'> = {
        action: 'swing_away',
      }

      store.setPendingOffensiveDecision(decision)
      store.setPendingOffensiveDecision(null)
      expect(store.pendingOffensiveDecision).toBeNull()
    })
  })

  describe('setPendingStealAttempts', () => {
    it('sets steal attempts', () => {
      const store = useGameStore()
      store.setPendingStealAttempts([2, 3])
      expect(store.pendingStealAttempts).toEqual([2, 3])
    })

    it('updates steal attempts', () => {
      const store = useGameStore()
      store.setPendingStealAttempts([2])
      store.setPendingStealAttempts([3, 4])
      expect(store.pendingStealAttempts).toEqual([3, 4])
    })

    it('clears steal attempts with empty array', () => {
      const store = useGameStore()
      store.setPendingStealAttempts([2, 3, 4])
      store.setPendingStealAttempts([])
      expect(store.pendingStealAttempts).toEqual([])
    })
  })

  describe('addDecisionToHistory', () => {
    it('adds defensive decision to history', () => {
      const store = useGameStore()
      store.addDecisionToHistory('Defensive', 'normal infield, normal outfield')

      expect(store.decisionHistory).toHaveLength(1)
      expect(store.decisionHistory[0].type).toBe('Defensive')
      expect(store.decisionHistory[0].summary).toBe('normal infield, normal outfield')
      expect(store.decisionHistory[0].timestamp).toBeDefined()
    })

    it('adds offensive decision to history', () => {
      const store = useGameStore()
      store.addDecisionToHistory('Offensive', 'Hit & Run')

      expect(store.decisionHistory).toHaveLength(1)
      expect(store.decisionHistory[0].type).toBe('Offensive')
      expect(store.decisionHistory[0].summary).toBe('Hit & Run')
    })

    it('adds new decisions to the front of history', () => {
      const store = useGameStore()
      store.addDecisionToHistory('Defensive', 'First decision')
      store.addDecisionToHistory('Offensive', 'Second decision')

      expect(store.decisionHistory[0].summary).toBe('Second decision')
      expect(store.decisionHistory[1].summary).toBe('First decision')
    })

    it('limits history to 10 items', () => {
      const store = useGameStore()

      // Add 15 decisions
      for (let i = 0; i < 15; i++) {
        store.addDecisionToHistory('Defensive', `Decision ${i}`)
      }

      expect(store.decisionHistory).toHaveLength(10)
      expect(store.decisionHistory[0].summary).toBe('Decision 14')
      expect(store.decisionHistory[9].summary).toBe('Decision 5')
    })
  })

  describe('clearPendingDecisions', () => {
    it('clears all pending decisions', () => {
      const store = useGameStore()

      // Set all pending decisions
      store.setPendingDefensiveSetup({
        infield_depth: 'normal',
        outfield_depth: 'normal',
        hold_runners: [],
      })
      store.setPendingOffensiveDecision({
        action: 'swing_away',
      })
      store.setPendingStealAttempts([2, 3])

      // Clear all
      store.clearPendingDecisions()

      expect(store.pendingDefensiveSetup).toBeNull()
      expect(store.pendingOffensiveDecision).toBeNull()
      expect(store.pendingStealAttempts).toEqual([])
    })

    it('can be called multiple times safely', () => {
      const store = useGameStore()
      store.clearPendingDecisions()
      store.clearPendingDecisions()

      expect(store.pendingDefensiveSetup).toBeNull()
      expect(store.pendingOffensiveDecision).toBeNull()
      expect(store.pendingStealAttempts).toEqual([])
    })
  })

  describe('resetGame', () => {
    it('clears decision state on reset', () => {
      const store = useGameStore()

      // Set decisions and history
      store.setPendingDefensiveSetup({
        infield_depth: 'normal',
        outfield_depth: 'normal',
        hold_runners: [],
      })
      store.setPendingOffensiveDecision({
        action: 'hit_and_run',
      })
      store.setPendingStealAttempts([2])
      store.addDecisionToHistory('Defensive', 'test')
      store.addDecisionToHistory('Offensive', 'test')

      // Reset
      store.resetGame()

      expect(store.pendingDefensiveSetup).toBeNull()
      expect(store.pendingOffensiveDecision).toBeNull()
      expect(store.pendingStealAttempts).toEqual([])
      expect(store.decisionHistory).toEqual([])
    })
  })

  describe('Integration', () => {
    it('handles complete decision workflow', () => {
      const store = useGameStore()

      // Set defensive decision
      const defensiveSetup: DefensiveDecision = {
        infield_depth: 'double_play',
        outfield_depth: 'normal',
        hold_runners: [1],
      }
      store.setPendingDefensiveSetup(defensiveSetup)
      store.addDecisionToHistory('Defensive', 'double_play infield, normal outfield')

      // Set offensive decision
      const offensiveDecision: Omit<OffensiveDecision, 'steal_attempts'> = {
        action: 'sac_bunt',
      }
      store.setPendingOffensiveDecision(offensiveDecision)
      store.setPendingStealAttempts([])
      store.addDecisionToHistory('Offensive', 'Sac Bunt')

      // Verify all state
      expect(store.pendingDefensiveSetup).toEqual(defensiveSetup)
      expect(store.pendingOffensiveDecision).toEqual(offensiveDecision)
      expect(store.pendingStealAttempts).toEqual([])
      expect(store.decisionHistory).toHaveLength(2)

      // Clear for next play
      store.clearPendingDecisions()

      expect(store.pendingDefensiveSetup).toBeNull()
      expect(store.pendingOffensiveDecision).toBeNull()
      expect(store.pendingStealAttempts).toEqual([])
      expect(store.decisionHistory).toHaveLength(2) // History persists
    })
  })
})