/**
 * MissionCard Component
 * Displays available missions with reward and progress
 */

import React from 'react';
import {
  View,
  Text,
  StyleSheet,
  TouchableOpacity,
  Animated,
} from 'react-native';
import Icon from 'react-native-vector-icons/MaterialIcons';

export default function MissionCard({ mission, onPress, isActive }) {
  const scaleAnim = new Animated.Value(1);

  const handlePressIn = () => {
    Animated.spring(scaleAnim, {
      toValue: 0.97,
      useNativeDriver: true,
    }).start();
  };

  const handlePressOut = () => {
    Animated.spring(scaleAnim, {
      toValue: 1,
      useNativeDriver: true,
    }).start();
  };

  // Calculate progress
  const progress = mission.completed_observations / mission.total_observations;
  const progressPercent = Math.round(progress * 100);

  // Get category icon
  const getCategoryIcon = (category) => {
    const icons = {
      infrastructure: 'construction',
      building: 'business',
      road: 'directions-car',
      bridge: 'terrain',
      environment: 'nature',
      safety: 'security',
      default: 'assignment',
    };
    return icons[category] || icons.default;
  };

  // Get difficulty color
  const getDifficultyColor = (difficulty) => {
    const colors = {
      easy: '#34C759',
      medium: '#FF9500',
      hard: '#FF3B30',
    };
    return colors[difficulty] || colors.medium;
  };

  return (
    <Animated.View style={{ transform: [{ scale: scaleAnim }] }}>
      <TouchableOpacity
        style={[styles.card, isActive && styles.activeCard]}
        onPress={() => onPress(mission)}
        onPressIn={handlePressIn}
        onPressOut={handlePressOut}
        activeOpacity={0.9}
      >
        {/* Header */}
        <View style={styles.header}>
          <View style={styles.iconContainer}>
            <Icon
              name={getCategoryIcon(mission.category)}
              size={24}
              color="#007AFF"
            />
          </View>
          <View style={styles.headerText}>
            <Text style={styles.title} numberOfLines={1}>
              {mission.title}
            </Text>
            <Text style={styles.category}>{mission.category}</Text>
          </View>
          <View style={[styles.difficulty, { backgroundColor: getDifficultyColor(mission.difficulty) }]}>
            <Text style={styles.difficultyText}>{mission.difficulty}</Text>
          </View>
        </View>

        {/* Description */}
        <Text style={styles.description} numberOfLines={2}>
          {mission.description}
        </Text>

        {/* Progress Bar */}
        <View style={styles.progressContainer}>
          <View style={styles.progressBar}>
            <View style={[styles.progressFill, { width: `${progressPercent}%` }]} />
          </View>
          <Text style={styles.progressText}>{progressPercent}%</Text>
        </View>

        {/* Footer */}
        <View style={styles.footer}>
          <View style={styles.footerItem}>
            <Icon name="attach-money" size={16} color="#34C759" />
            <Text style={styles.reward}>${mission.reward_usd}</Text>
          </View>
          <View style={styles.footerItem}>
            <Icon name="location-on" size={16} color="#8E8E93" />
            <Text style={styles.distance}>
              {mission.distance ? `${mission.distance.toFixed(1)} km` : 'Remote'}
            </Text>
          </View>
          <View style={styles.footerItem}>
            <Icon name="schedule" size={16} color="#8E8E93" />
            <Text style={styles.deadline}>
              {new Date(mission.deadline).toLocaleDateString()}
            </Text>
          </View>
        </View>

        {/* Active Indicator */}
        {isActive && (
          <View style={styles.activeIndicator}>
            <Icon name="check-circle" size={20} color="#34C759" />
            <Text style={styles.activeText}>Active</Text>
          </View>
        )}
      </TouchableOpacity>
    </Animated.View>
  );
}

const styles = StyleSheet.create({
  card: {
    backgroundColor: '#1C1C1E',
    borderRadius: 16,
    padding: 16,
    marginBottom: 12,
    borderWidth: 1,
    borderColor: '#2C2C2E',
  },
  activeCard: {
    borderColor: '#34C759',
    borderWidth: 2,
  },
  header: {
    flexDirection: 'row',
    alignItems: 'center',
    marginBottom: 12,
  },
  iconContainer: {
    width: 44,
    height: 44,
    borderRadius: 12,
    backgroundColor: 'rgba(0,122,255,0.1)',
    justifyContent: 'center',
    alignItems: 'center',
    marginRight: 12,
  },
  headerText: {
    flex: 1,
  },
  title: {
    fontSize: 16,
    fontWeight: '600',
    color: '#fff',
  },
  category: {
    fontSize: 12,
    color: '#8E8E93',
    marginTop: 2,
    textTransform: 'capitalize',
  },
  difficulty: {
    paddingHorizontal: 8,
    paddingVertical: 4,
    borderRadius: 8,
  },
  difficultyText: {
    color: '#fff',
    fontSize: 10,
    fontWeight: '700',
    textTransform: 'uppercase',
  },
  description: {
    fontSize: 14,
    color: '#8E8E93',
    marginBottom: 12,
    lineHeight: 20,
  },
  progressContainer: {
    flexDirection: 'row',
    alignItems: 'center',
    marginBottom: 12,
  },
  progressBar: {
    flex: 1,
    height: 6,
    backgroundColor: '#2C2C2E',
    borderRadius: 3,
    marginRight: 8,
  },
  progressFill: {
    height: '100%',
    backgroundColor: '#34C759',
    borderRadius: 3,
  },
  progressText: {
    fontSize: 12,
    color: '#8E8E93',
    fontWeight: '600',
    minWidth: 35,
  },
  footer: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    borderTopWidth: 1,
    borderTopColor: '#2C2C2E',
    paddingTop: 12,
  },
  footerItem: {
    flexDirection: 'row',
    alignItems: 'center',
  },
  reward: {
    fontSize: 14,
    fontWeight: '700',
    color: '#34C759',
    marginLeft: 4,
  },
  distance: {
    fontSize: 12,
    color: '#8E8E93',
    marginLeft: 4,
  },
  deadline: {
    fontSize: 12,
    color: '#8E8E93',
    marginLeft: 4,
  },
  activeIndicator: {
    position: 'absolute',
    top: 12,
    right: 12,
    flexDirection: 'row',
    alignItems: 'center',
    backgroundColor: 'rgba(52,199,89,0.2)',
    paddingHorizontal: 8,
    paddingVertical: 4,
    borderRadius: 8,
  },
  activeText: {
    color: '#34C759',
    fontSize: 10,
    fontWeight: '700',
    marginLeft: 4,
  },
});