<template>
  <div class="bg-white dark:bg-gray-800 rounded-xl shadow-lg p-6">
    <!-- Header -->
    <div class="flex items-center justify-between mb-6">
      <h3 class="text-xl font-bold text-gray-900 dark:text-white flex items-center gap-2">
        <span class="text-2xl">⚔️</span>
        Offensive Action
      </h3>
      <span
        v-if="!isActive"
        class="px-3 py-1 text-xs font-semibold rounded-full bg-gray-200 text-gray-600"
      >
        Opponent's Turn
      </span>
    </div>

    <!-- Form -->
    <form @submit.prevent="handleSubmit" class="space-y-6">
      <!-- Action Selection -->
      <div>
        <label class="block text-sm font-semibold text-gray-700 dark:text-gray-300 mb-3">
          Select Action
        </label>
        <div class="grid grid-cols-1 gap-3">
          <button
            v-for="option in availableActions"
            :key="option.value"
            type="button"
            :disabled="!isActive || option.disabled"
            :class="getActionButtonClasses(option.value, option.disabled)"
            @click="selectAction(option.value)"
            :title="option.disabledReason"
          >
            <div class="flex items-start gap-3">
              <span class="text-2xl flex-shrink-0">{{ option.icon }}</span>
              <div class="flex-1 text-left">
                <div class="font-semibold text-base">{{ option.label }}</div>
                <div class="text-sm opacity-90 mt-0.5">
                  {{ option.disabled ? option.disabledReason : option.description }}
                </div>
              </div>
              <div v-if="localDecision.action === option.value" class="flex-shrink-0">
                <span class="text-xl">✓</span>
              </div>
            </div>
          </button>
        </div>
      </div>

      <!-- Current Strategy Summary -->
      <div class="bg-gradient-to-r from-blue-50 to-indigo-50 dark:from-gray-700 dark:to-gray-600 rounded-lg p-4">
        <h4 class="text-sm font-semibold text-gray-700 dark:text-gray-300 mb-2">
          Current Strategy
        </h4>
        <div class="space-y-1 text-xs">
          <div>
            <span class="font-medium text-gray-600 dark:text-gray-400">Action:</span>
            <span class="ml-1 text-gray-900 dark:text-white">{{ currentActionLabel }}</span>
          </div>
          <div v-if="actionRequiresSpecialHandling" class="mt-2 p-2 bg-yellow-100 dark:bg-yellow-900/30 rounded">
            <span class="font-medium text-yellow-800 dark:text-yellow-200">{{ specialHandlingNote }}</span>
          </div>
        </div>
      </div>

      <!-- Submit Button -->
      <ActionButton
        type="submit"
        variant="success"
        size="lg"
        :disabled="!isActive || !hasChanges"
        :loading="submitting"
        full-width
      >
        {{ submitButtonText }}
      </ActionButton>
    </form>
  </div>
</template>

<script setup lang="ts">
import { ref, computed, watch } from 'vue'
import type { OffensiveDecision } from '~/types/game'
import ActionButton from '~/components/UI/ActionButton.vue'

interface ActionOption {
  value: OffensiveDecision['action']
  label: string
  icon: string
  description: string
  disabled: boolean
  disabledReason?: string
}

interface Props {
  gameId: string
  isActive: boolean
  currentDecision?: Omit<OffensiveDecision, 'steal_attempts'>
  hasRunnersOnBase?: boolean
  runnerOnFirst?: boolean
  runnerOnSecond?: boolean
  runnerOnThird?: boolean
  basesLoaded?: boolean
  outs?: number
}

const props = withDefaults(defineProps<Props>(), {
  isActive: false,
  hasRunnersOnBase: false,
  runnerOnFirst: false,
  runnerOnSecond: false,
  runnerOnThird: false,
  basesLoaded: false,
  outs: 0,
})

const emit = defineEmits<{
  submit: [decision: Omit<OffensiveDecision, 'steal_attempts'>]
}>()

// Local state
const submitting = ref(false)
const localDecision = ref<Omit<OffensiveDecision, 'steal_attempts'>>({
  action: props.currentDecision?.action || 'swing_away',
})

// Action options with smart filtering
const availableActions = computed<ActionOption[]>(() => {
  const twoOuts = props.outs >= 2

  return [
    {
      value: 'swing_away',
      label: 'Swing Away',
      icon: '⚾',
      description: 'Normal swing, no special tactics',
      disabled: false,
    },
    {
      value: 'steal',
      label: 'Steal',
      icon: '🏃',
      description: 'Attempt to steal base(s) - configure on steal inputs tab',
      disabled: false,
    },
    {
      value: 'check_jump',
      label: 'Check Jump',
      icon: '👀',
      description: 'Lead runner checks jump at start of delivery',
      disabled: !props.hasRunnersOnBase,
      disabledReason: 'Requires runner on base',
    },
    {
      value: 'hit_and_run',
      label: 'Hit and Run',
      icon: '💨',
      description: 'Runner(s) take off as pitcher delivers; batter must make contact',
      disabled: !props.hasRunnersOnBase,
      disabledReason: 'Requires runner on base',
    },
    {
      value: 'sac_bunt',
      label: 'Sacrifice Bunt',
      icon: '🎯',
      description: 'Bunt to advance runners, batter likely out',
      disabled: twoOuts,
      disabledReason: twoOuts ? 'Cannot bunt with 2 outs' : undefined,
    },
    {
      value: 'squeeze_bunt',
      label: 'Squeeze Bunt',
      icon: '🔥',
      description: 'Runner on 3rd breaks for home as pitcher delivers',
      disabled: !props.runnerOnThird || twoOuts,
      disabledReason: twoOuts
        ? 'Cannot squeeze with 2 outs'
        : !props.runnerOnThird
        ? 'Requires runner on third'
        : undefined,
    },
  ]
})

// Computed
const currentActionLabel = computed(() => {
  const option = availableActions.value.find(opt => opt.value === localDecision.value.action)
  return option?.label || 'Swing Away'
})

const actionRequiresSpecialHandling = computed(() => {
  return localDecision.value.action === 'steal' || localDecision.value.action === 'squeeze_bunt'
})

const specialHandlingNote = computed(() => {
  if (localDecision.value.action === 'steal') {
    return 'Configure which bases to steal on the Stolen Base Inputs tab'
  }
  if (localDecision.value.action === 'squeeze_bunt') {
    return 'R3 will break for home as pitcher delivers - high risk, high reward!'
  }
  return ''
})

const hasChanges = computed(() => {
  if (!props.currentDecision) return true
  return localDecision.value.action !== props.currentDecision.action
})

const submitButtonText = computed(() => {
  if (!props.isActive) return 'Wait for Your Turn'
  if (!hasChanges.value) return 'No Changes'
  return 'Submit Offensive Strategy'
})

// Methods
const selectAction = (action: OffensiveDecision['action']) => {
  if (!props.isActive) return

  // Check if action is disabled
  const option = availableActions.value.find(opt => opt.value === action)
  if (option?.disabled) return

  localDecision.value.action = action
}

const getActionButtonClasses = (action: OffensiveDecision['action'], disabled: boolean) => {
  const isSelected = localDecision.value.action === action
  const base = 'w-full p-4 rounded-lg border-2 transition-all duration-200 disabled:cursor-not-allowed'

  if (disabled) {
    return `${base} bg-gray-100 dark:bg-gray-800 text-gray-400 dark:text-gray-500 border-gray-200 dark:border-gray-700 opacity-60`
  }

  if (isSelected) {
    return `${base} bg-gradient-to-r from-blue-600 to-blue-700 text-white border-blue-700 shadow-lg`
  } else {
    return `${base} bg-white dark:bg-gray-700 text-gray-900 dark:text-white border-gray-300 dark:border-gray-600 hover:border-blue-500 dark:hover:border-blue-400`
  }
}

const handleSubmit = async () => {
  if (!props.isActive || !hasChanges.value) return

  submitting.value = true
  try {
    emit('submit', { ...localDecision.value })
  } finally {
    submitting.value = false
  }
}

// Watch for prop changes
watch(() => props.currentDecision, (newDecision) => {
  if (newDecision) {
    localDecision.value = { ...newDecision }
  }
}, { deep: true })

// Auto-reset to swing_away if current action becomes invalid
watch(() => availableActions.value, (actions) => {
  const currentAction = localDecision.value.action
  const currentOption = actions.find(opt => opt.value === currentAction)

  if (currentOption?.disabled) {
    localDecision.value.action = 'swing_away'
  }
}, { deep: true })
</script>
