<template>
  <div class="pitching-change-selector">
    <div class="selector-container">
      <!-- Header -->
      <div class="selector-header">
        <h3 class="selector-title">Pitching Change</h3>
        <p class="selector-description">
          Bring in a relief pitcher to replace {{ currentPitcher?.player.name || 'current pitcher' }}
        </p>
      </div>

      <!-- Current Pitcher Info -->
      <div v-if="currentPitcher" class="current-pitcher">
        <div class="pitcher-label">Current Pitcher:</div>
        <div class="pitcher-card">
          <div class="pitcher-info">
            <div class="pitcher-name">{{ currentPitcher.player.name }}</div>
            <div class="pitcher-details">
              <span v-if="currentPitcher.is_fatigued" class="fatigue-indicator">
                <svg class="w-4 h-4 inline" fill="currentColor" viewBox="0 0 20 20">
                  <path fill-rule="evenodd" d="M8.257 3.099c.765-1.36 2.722-1.36 3.486 0l5.58 9.92c.75 1.334-.213 2.98-1.742 2.98H4.42c-1.53 0-2.493-1.646-1.743-2.98l5.58-9.92zM11 13a1 1 0 11-2 0 1 1 0 012 0zm-1-8a1 1 0 00-1 1v3a1 1 0 002 0V6a1 1 0 00-1-1z" clip-rule="evenodd"/>
                </svg>
                Fatigued
              </span>
              P • Entered Inning {{ currentPitcher.entered_inning }}
            </div>
          </div>
        </div>
      </div>

      <!-- Available Relievers -->
      <div class="relievers-section">
        <div class="relievers-label">
          Available Relief Pitchers:
        </div>

        <div v-if="availableRelievers.length === 0" class="no-pitchers">
          <svg class="w-12 h-12 text-gray-400" fill="currentColor" viewBox="0 0 20 20">
            <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z" clip-rule="evenodd"/>
          </svg>
          <div class="no-pitchers-text">No relief pitchers available</div>
        </div>

        <div v-else class="relievers-grid">
          <button
            v-for="pitcher in availableRelievers"
            :key="pitcher.id"
            :class="[
              'reliever-card',
              selectedPitcherId === pitcher.player.id ? 'reliever-selected' : 'reliever-default',
              pitcher.is_fatigued ? 'reliever-fatigued' : ''
            ]"
            :disabled="pitcher.is_fatigued"
            @click="selectPitcher(pitcher)"
          >
            <div class="pitcher-info">
              <div class="pitcher-name">{{ pitcher.player.name }}</div>
              <div class="pitcher-meta">
                <span class="pitcher-role">
                  {{ getPitcherRole(pitcher) }}
                </span>
                <span v-if="pitcher.player.wara !== null && pitcher.player.wara !== undefined" class="pitcher-stat">
                  WARA: {{ pitcher.player.wara.toFixed(1) }}
                </span>
                <span v-if="pitcher.is_fatigued" class="fatigue-badge">
                  Fatigued
                </span>
              </div>
            </div>
            <div v-if="selectedPitcherId === pitcher.player.id" class="selected-indicator">
              <svg class="w-5 h-5" fill="currentColor" viewBox="0 0 20 20">
                <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zm3.707-9.293a1 1 0 00-1.414-1.414L9 10.586 7.707 9.293a1 1 0 00-1.414 1.414l2 2a1 1 0 001.414 0l4-4z" clip-rule="evenodd"/>
              </svg>
            </div>
          </button>
        </div>
      </div>

      <!-- Action Buttons -->
      <div class="action-buttons">
        <button
          class="button button-cancel"
          @click="handleCancel"
        >
          Cancel
        </button>
        <button
          :disabled="!canSubmit"
          :class="[
            'button',
            canSubmit ? 'button-submit' : 'button-submit-disabled'
          ]"
          @click="handleSubmit"
        >
          Bring in Reliever
        </button>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref, computed } from 'vue'
import type { Lineup } from '~/types'

interface Props {
  currentPitcher: Lineup | null
  benchPlayers: Lineup[]
  teamId: number
}

const props = defineProps<Props>()

const emit = defineEmits<{
  submit: [{ playerOutLineupId: number; playerInCardId: number; teamId: number }]
  cancel: []
}>()

// Local state
const selectedPitcherId = ref<number | null>(null)

// Computed
const availableRelievers = computed(() => {
  // Filter bench players who can pitch
  return props.benchPlayers.filter(player => {
    if (player.is_active) return false

    // Check if player can pitch (has P in any position slot)
    const positions = getPlayerPositions(player.player)
    return positions.includes('P')
  })
})

const selectedPitcher = computed(() => {
  if (!selectedPitcherId.value) return null
  return availableRelievers.value.find(p => p.player.id === selectedPitcherId.value)
})

const canSubmit = computed(() => {
  return (
    props.currentPitcher !== null &&
    selectedPitcher.value !== null &&
    !selectedPitcher.value.is_fatigued
  )
})

// Methods
const getPlayerPositions = (player: any): string[] => {
  const positions: string[] = []
  for (let i = 1; i <= 8; i++) {
    const pos = player[`pos_${i}`]
    if (pos) positions.push(pos)
  }
  return positions
}

const getPitcherRole = (pitcher: Lineup): string => {
  const positions = getPlayerPositions(pitcher.player)
  if (positions[0] === 'P') return 'Pitcher'
  return 'Relief Pitcher'
}

const selectPitcher = (pitcher: Lineup) => {
  if (pitcher.is_fatigued) return
  selectedPitcherId.value = pitcher.player.id
}

const handleSubmit = () => {
  if (!canSubmit.value || !props.currentPitcher || !selectedPitcher.value) {
    return
  }

  emit('submit', {
    playerOutLineupId: props.currentPitcher.id,
    playerInCardId: selectedPitcher.value.player.id,
    teamId: props.teamId,
  })

  // Reset selection
  selectedPitcherId.value = null
}

const handleCancel = () => {
  selectedPitcherId.value = null
  emit('cancel')
}
</script>

<style scoped>
.pitching-change-selector {
  @apply w-full;
}

.selector-container {
  @apply bg-white rounded-xl shadow-lg p-6 space-y-6;
}

/* Header */
.selector-header {
  @apply pb-4 border-b border-gray-200;
}

.selector-title {
  @apply text-xl font-bold text-gray-900 mb-1;
}

.selector-description {
  @apply text-sm text-gray-600;
}

/* Current Pitcher */
.current-pitcher {
  @apply bg-red-50 border border-red-200 rounded-lg p-4;
}

.pitcher-label {
  @apply text-xs font-semibold text-red-700 uppercase tracking-wide mb-2;
}

.pitcher-card {
  @apply bg-white rounded-lg p-3 shadow-sm;
}

.pitcher-info {
  @apply space-y-1;
}

.pitcher-name {
  @apply font-bold text-gray-900;
}

.pitcher-details,
.pitcher-meta {
  @apply text-sm text-gray-600 flex items-center gap-2;
}

.fatigue-indicator {
  @apply inline-flex items-center gap-1 text-yellow-700 font-semibold;
}

.pitcher-role {
  @apply text-blue-600 font-medium;
}

.pitcher-stat {
  @apply text-gray-500;
}

.fatigue-badge {
  @apply text-xs px-2 py-0.5 bg-yellow-100 text-yellow-800 rounded-full font-semibold;
}

/* Relievers Section */
.relievers-section {
  @apply space-y-3;
}

.relievers-label {
  @apply text-sm font-semibold text-gray-700 uppercase tracking-wide;
}

.no-pitchers {
  @apply flex flex-col items-center justify-center py-12 text-gray-400;
}

.no-pitchers-text {
  @apply mt-3 text-sm font-medium;
}

.relievers-grid {
  @apply grid grid-cols-1 gap-3;
}

@media (min-width: 640px) {
  .relievers-grid {
    @apply grid-cols-2;
  }
}

/* Reliever Cards */
.reliever-card {
  @apply relative p-4 rounded-lg border-2 transition-all duration-150;
  @apply text-left min-h-[80px];
}

.reliever-default {
  @apply bg-white border-gray-300 hover:border-green-400 hover:bg-green-50;
}

.reliever-selected {
  @apply bg-gradient-to-br from-green-50 to-green-100 border-green-500 shadow-md;
}

.reliever-fatigued {
  @apply opacity-50 cursor-not-allowed;
  @apply border-gray-200 hover:border-gray-200 hover:bg-white;
}

.selected-indicator {
  @apply absolute top-2 right-2 text-green-600;
}

/* Action Buttons */
.action-buttons {
  @apply flex gap-3 pt-4 border-t border-gray-200;
}

.button {
  @apply flex-1 px-6 py-3 rounded-lg font-bold text-base transition-all duration-200;
  @apply shadow-md min-h-[52px];
}

.button-cancel {
  @apply bg-white border-2 border-gray-300 text-gray-700;
  @apply hover:border-gray-400 hover:bg-gray-50;
}

.button-submit {
  @apply bg-gradient-to-r from-green-500 to-green-600 text-white;
  @apply hover:from-green-600 hover:to-green-700 hover:shadow-lg;
  @apply active:scale-95;
}

.button-submit-disabled {
  @apply bg-gray-300 text-gray-500 cursor-not-allowed;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  .selector-container {
    @apply bg-gray-800 border border-gray-700;
  }

  .selector-header {
    @apply border-gray-700;
  }

  .selector-title {
    @apply text-gray-100;
  }

  .selector-description {
    @apply text-gray-400;
  }

  .current-pitcher {
    @apply bg-red-900 bg-opacity-20 border-red-700;
  }

  .pitcher-label {
    @apply text-red-400;
  }

  .pitcher-card {
    @apply bg-gray-700;
  }

  .pitcher-name {
    @apply text-gray-100;
  }

  .pitcher-details,
  .pitcher-meta {
    @apply text-gray-400;
  }

  .relievers-label {
    @apply text-gray-300;
  }

  .reliever-default {
    @apply bg-gray-700 border-gray-600 text-gray-200;
    @apply hover:border-green-400 hover:bg-gray-600;
  }

  .reliever-fatigued {
    @apply bg-gray-800 border-gray-700;
    @apply hover:bg-gray-800 hover:border-gray-700;
  }

  .button-cancel {
    @apply bg-gray-700 border-gray-600 text-gray-200;
    @apply hover:border-gray-500 hover:bg-gray-600;
  }

  .action-buttons {
    @apply border-gray-700;
  }

  .fatigue-badge {
    @apply bg-yellow-900 bg-opacity-50 text-yellow-400;
  }
}

/* Mobile optimizations */
@media (max-width: 640px) {
  .selector-container {
    @apply p-4;
  }

  .relievers-grid {
    @apply gap-2;
  }

  .reliever-card {
    @apply p-3 min-h-[70px];
  }

  .action-buttons {
    @apply flex-col gap-2;
  }

  .button {
    @apply w-full;
  }
}
</style>
