import type Phaser from 'phaser'
import { GAME_WIDTH, HUD_HEIGHT } from '../constants'

/**
 * 游戏 HUD 辅助工具
 * 负责管理"召唤下一波"按钮和波次提示横幅
 */
export class HUD {
  private scene: Phaser.Scene
  private waveBtn: Phaser.GameObjects.Text | null = null
  private waveBannerTimeout: (() => void) | null = null

  constructor(scene: Phaser.Scene) {
    this.scene = scene
  }

  /**
   * 创建"召唤下一波"按钮
   * @param onClick 点击回调
   */
  createWaveButton(onClick: () => void): void {
    if (this.waveBtn) this.waveBtn.destroy()

    this.waveBtn = this.scene.add
      .text(GAME_WIDTH - 160, HUD_HEIGHT + 20, '▶ 召唤下一波', {
        fontFamily: "'Press Start 2P', monospace",
        fontSize: '9px',
        color: '#A78BFA',
        backgroundColor: '#1e3a5f',
        padding: { x: 10, y: 6 },
      })
      .setOrigin(0, 0)
      .setDepth(20)
      .setInteractive({ useHandCursor: true })

    this.waveBtn.on('pointerover', () => {
      if (this.waveBtn) {
        this.waveBtn.setStyle({ backgroundColor: '#2d5a8e' })
      }
    })
    this.waveBtn.on('pointerout', () => {
      if (this.waveBtn) {
        this.waveBtn.setStyle({ backgroundColor: '#1e3a5f' })
      }
    })
    this.waveBtn.on('pointerdown', () => {
      onClick()
    })
  }

  /** 更新按钮文字（如禁用状态） */
  setWaveButtonText(text: string): void {
    this.waveBtn?.setText(text)
  }

  disableWaveButton(): void {
    if (!this.waveBtn) return
    this.waveBtn.setStyle({ color: '#4B5563', backgroundColor: '#0F172A' })
    this.waveBtn.removeAllListeners('pointerdown')
  }

  enableWaveButton(): void {
    if (!this.waveBtn) return
    this.waveBtn.setStyle({ color: '#A78BFA', backgroundColor: '#1e3a5f' })
  }

  /**
   * 显示波次开始横幅
   * @param waveNumber 当前波次（1-based）
   */
  showWaveBanner(waveNumber: number, totalWaves: number): void {
    const isBoss = waveNumber === totalWaves
    const label = isBoss
      ? `!! 第${waveNumber}波：空降VP来袭 !!`
      : `第 ${waveNumber} 波来袭！`
    const color = isBoss ? '#FBBF24' : '#F43F5E'
    const bg = isBoss ? '#7C2D12' : '#0A1628'

    const banner = this.scene.add
      .text(GAME_WIDTH / 2, HUD_HEIGHT + 60, label, {
        fontFamily: "'Press Start 2P', monospace",
        fontSize: isBoss ? '16px' : '14px',
        color,
        backgroundColor: bg,
        padding: { x: 20, y: 10 },
      })
      .setOrigin(0.5, 0.5)
      .setDepth(40)
      .setAlpha(0)

    this.scene.tweens.add({
      targets: banner,
      alpha: 1,
      duration: 300,
      yoyo: true,
      hold: 1800,
      onComplete: () => banner.destroy(),
    })
  }

  /** 显示周报触发提示 */
  showWeeklyReportAlert(): void {
    const banner = this.scene.add
      .text(GAME_WIDTH / 2, HUD_HEIGHT + 120, '📋 季度周报截止！效率翻倍！', {
        fontFamily: "'Press Start 2P', monospace",
        fontSize: '11px',
        color: '#FCD34D',
        backgroundColor: '#78350F',
        padding: { x: 16, y: 8 },
      })
      .setOrigin(0.5, 0.5)
      .setDepth(40)
      .setAlpha(0)

    this.scene.tweens.add({
      targets: banner,
      alpha: 1,
      duration: 400,
      yoyo: true,
      hold: 2500,
      onComplete: () => banner.destroy(),
    })
  }

  /** 显示胜利画面 */
  showVictory(): void {
    const overlay = this.scene.add.graphics()
    overlay.fillStyle(0x000000, 0.6)
    overlay.fillRect(0, 0, GAME_WIDTH, 720)
    overlay.setDepth(50)

    this.scene.add
      .text(GAME_WIDTH / 2, 300, '🎉 大厂保卫成功！', {
        fontFamily: "'Press Start 2P', monospace",
        fontSize: '22px',
        color: '#A78BFA',
        backgroundColor: '#0A1628',
        padding: { x: 24, y: 12 },
      })
      .setOrigin(0.5, 0.5)
      .setDepth(55)

    this.scene.add
      .text(GAME_WIDTH / 2, 380, 'KPI 绩效已发放！', {
        fontFamily: 'VT323, monospace',
        fontSize: '24px',
        color: '#A78BFA',
      })
      .setOrigin(0.5, 0.5)
      .setDepth(55)
  }

  /** 显示失败画面 */
  showGameOver(): void {
    const overlay = this.scene.add.graphics()
    overlay.fillStyle(0x000000, 0.7)
    overlay.fillRect(0, 0, GAME_WIDTH, 720)
    overlay.setDepth(50)

    this.scene.add
      .text(GAME_WIDTH / 2, 300, 'KPI 归零！被裁了！', {
        fontFamily: "'Press Start 2P', monospace",
        fontSize: '18px',
        color: '#EF4444',
        backgroundColor: '#0A1628',
        padding: { x: 24, y: 12 },
      })
      .setOrigin(0.5, 0.5)
      .setDepth(55)
  }

  destroy(): void {
    this.waveBtn?.destroy()
    if (this.waveBannerTimeout) this.waveBannerTimeout()
  }
}