<template>
  <div class="page-container">
    <div class="page-header">
      <span class="title">WebRTC 播放</span>
      <!-- <el-tag type="success" size="small" style="margin-left: 10px">延迟 &lt; 2s</el-tag> -->
    </div>

    <!-- 配置区域 -->
    <div class="config-section">
      <el-form label-width="120px">
        <el-form-item label="本地RTC地址">
          <el-input v-model="config.go2rtcUrl" placeholder="服务地址" style="width: 400px">
            <template #prepend>http://</template>
          </el-input>
          <el-text type="info" style="margin-left: 10px">默认端口 1984</el-text>
        </el-form-item>
        <el-form-item label="流名称">
          <el-input v-model="config.streamName" placeholder="摄像头流名称，如 camera1" style="width: 300px" />
        </el-form-item>
        <!-- http://localhost:1984/api/webrtc?src=camera1 -->
        <el-form-item label="完整URL">
          <el-text>{{ fullGo2rtcUrl }}/api/webrtc?src={{ config.streamName }}</el-text>
        </el-form-item>
        <!-- <el-form-item label="生成的 URL">
          <el-input :value="generatedUrl" readonly style="width: 600px">
            <template #append>
              <el-button @click="copyUrl">复制</el-button>
            </template>
          </el-input>
        </el-form-item> -->
        <el-form-item>
          <el-button type="primary" @click="startPlay">播放</el-button>
          <el-button @click="handleReconnect">重连</el-button>
          <el-button type="danger" @click="handleStop">停止</el-button>
        </el-form-item>
      </el-form>
    </div>

    <!-- 播放器和PTZ控制区域 -->
    <div class="player-ptz-container">
      <!-- 播放器区域 -->
      <div class="player-section">
        <div v-if="!isPlaying" class="player-placeholder">
          <el-icon :size="60" color="#ddd"><VideoPlay /></el-icon>
          <p>请配置 go2rtc 地址和流名称后点击播放</p>
        </div>
        <VideoPlayer
          v-else
          ref="playerRef"
          player-type="webrtc"
          :go2rtc-url="fullGo2rtcUrl"
          :stream-name="config.streamName"
          :autoplay="playConfig.autoplay"
          :muted="playConfig.muted"
          :controls="true"
          @play="onPlay"
          @pause="onPause"
          @error="onError"
        />
      </div>

      <!-- PTZ 云台控制 -->
      <div class="ptz-panel">
        <div class="ptz-header">
          <span>PTZ 云台控制</span>
        </div>

        <!-- PTZ 方向控制 九宫格 -->
        <div class="ptz-controls">
          <div class="ptz-btn" @mousedown="handlePTZ('UP_LEFT')" @mouseup="handlePTZStop" @mouseleave="handlePTZStop">
            <el-icon><TopLeft /></el-icon>
          </div>
          <div class="ptz-btn" @mousedown="handlePTZ('UP')" @mouseup="handlePTZStop" @mouseleave="handlePTZStop">
            <el-icon><Top /></el-icon>
          </div>
          <div class="ptz-btn" @mousedown="handlePTZ('UP_RIGHT')" @mouseup="handlePTZStop" @mouseleave="handlePTZStop">
            <el-icon><TopRight /></el-icon>
          </div>
          <div class="ptz-btn" @mousedown="handlePTZ('LEFT')" @mouseup="handlePTZStop" @mouseleave="handlePTZStop">
            <el-icon><Back /></el-icon>
          </div>
          <div class="ptz-btn ptz-center" @click="handlePTZStop">
            <el-icon><Refresh /></el-icon>
          </div>
          <div class="ptz-btn" @mousedown="handlePTZ('RIGHT')" @mouseup="handlePTZStop" @mouseleave="handlePTZStop">
            <el-icon><Right /></el-icon>
          </div>
          <div class="ptz-btn" @mousedown="handlePTZ('DOWN_LEFT')" @mouseup="handlePTZStop" @mouseleave="handlePTZStop">
            <el-icon><BottomLeft /></el-icon>
          </div>
          <div class="ptz-btn" @mousedown="handlePTZ('DOWN')" @mouseup="handlePTZStop" @mouseleave="handlePTZStop">
            <el-icon><Bottom /></el-icon>
          </div>
          <div
            class="ptz-btn"
            @mousedown="handlePTZ('DOWN_RIGHT')"
            @mouseup="handlePTZStop"
            @mouseleave="handlePTZStop"
          >
            <el-icon><BottomRight /></el-icon>
          </div>
        </div>

        <!-- 速度控制 -->
        <div class="speed-control">
          <div class="control-label">
            <span>速度: {{ ptzSpeed }}</span>
          </div>
          <el-slider v-model="ptzSpeed" :min="10" :max="100" :step="10" :show-tooltip="true" />
        </div>

        <!-- 缩放控制 -->
        <div class="zoom-controls">
          <div class="zoom-header">
            <el-icon><ZoomOut /></el-icon>
            <span>缩放</span>
            <el-icon><ZoomIn /></el-icon>
          </div>
          <el-slider
            v-model="zoomValue"
            :min="-100"
            :max="100"
            :step="10"
            :show-tooltip="true"
            :format-tooltip="formatZoomTooltip"
            @input="handleZoomChange"
            @change="handleZoomRelease"
          />
        </div>
      </div>
    </div>

    <!-- 播放控制 -->
    <div class="control-section">
      <el-space wrap>
        <el-button type="primary" @click="handlePlay">播放</el-button>
        <el-button @click="handlePause">暂停</el-button>
        <el-button @click="handleScreenshot">截图</el-button>
        <el-button @click="handleFullscreen">全屏</el-button>

        <el-divider direction="vertical" />

        <el-switch v-model="playConfig.muted" active-text="静音" inactive-text="有声" />
        <el-switch v-model="playConfig.autoplay" active-text="自动播放" inactive-text="手动" />
      </el-space>
    </div>

    <!-- 日志区域 -->
    <div class="log-section">
      <div class="log-header">
        <h4>事件日志</h4>
        <el-button size="small" @click="logs = []">清空</el-button>
      </div>
      <div class="log-content">
        <div v-for="(log, index) in logs" :key="index" class="log-item" :class="log.type">
          <span class="time">{{ log.time }}</span>
          <span class="message">{{ log.message }}</span>
        </div>
        <div v-if="logs.length === 0" class="log-empty">暂无日志</div>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref, reactive, computed } from 'vue'
import { ElMessage } from 'element-plus'
import {
  VideoPlay,
  Top,
  Bottom,
  Back,
  Right,
  TopLeft,
  TopRight,
  BottomLeft,
  BottomRight,
  Refresh,
  ZoomIn,
  ZoomOut
} from '@element-plus/icons-vue'
import VideoPlayer from '@/components/VideoPlayer.vue'
import { startPTZ, stopPTZ, PTZ_DIRECTIONS, startZoom, stopZoom, PTZ_ZOOM_DIRECTIONS } from '@/api/ptz'

const playerRef = ref<InstanceType<typeof VideoPlayer>>()

// 配置
const config = reactive({
  go2rtcUrl: 'localhost:1984',
  streamName: 'camera1'
})

// 播放配置
const playConfig = reactive({
  autoplay: true,
  muted: true
})

// PTZ 配置
const ptzConfig = reactive({
  host: '192.168.0.64',
  username: 'admin',
  password: 'Wxc767718929'
})

// PTZ 速度和缩放
const ptzSpeed = ref(50)
const zoomValue = ref(0)

// 播放状态
const isPlaying = ref(false)

// 完整的 go2rtc URL
const fullGo2rtcUrl = computed(() => {
  if (!config.go2rtcUrl) return ''
  const url = config.go2rtcUrl.startsWith('http') ? config.go2rtcUrl : `http://${config.go2rtcUrl}`
  return url
})

// 生成的 WebRTC API URL
const generatedUrl = computed(() => {
  if (!fullGo2rtcUrl.value || !config.streamName) return ''
  return `${fullGo2rtcUrl.value}/api/webrtc?src=${config.streamName}`
})

// 连接状态
const connectionStatus = computed(() => {
  return playerRef.value?.webrtcStatus?.value || 'idle'
})

const statusText = computed(() => {
  const map: Record<string, string> = {
    idle: '未连接',
    connecting: '连接中',
    connected: '已连接',
    failed: '连接失败'
  }
  return map[connectionStatus.value] || '未知'
})

const statusTagType = computed(() => {
  const map: Record<string, '' | 'success' | 'warning' | 'danger' | 'info'> = {
    idle: 'info',
    connecting: 'warning',
    connected: 'success',
    failed: 'danger'
  }
  return map[connectionStatus.value] || 'info'
})

// 日志
interface LogItem {
  time: string
  type: 'info' | 'success' | 'error'
  message: string
}
const logs = ref<LogItem[]>([])

function addLog(message: string, type: LogItem['type'] = 'info') {
  const time = new Date().toLocaleTimeString()
  logs.value.unshift({ time, type, message })
  if (logs.value.length > 100) {
    logs.value.pop()
  }
}

// 开始播放
function startPlay() {
  if (!config.go2rtcUrl) {
    ElMessage.warning('请输入 go2rtc 地址')
    return
  }
  if (!config.streamName) {
    ElMessage.warning('请输入流名称')
    return
  }
  isPlaying.value = true
  addLog(`开始 WebRTC 播放: ${config.streamName}`, 'success')
}

// 复制 URL
function copyUrl() {
  if (!generatedUrl.value) {
    ElMessage.warning('请先配置 go2rtc 地址和流名称')
    return
  }
  navigator.clipboard.writeText(generatedUrl.value)
  ElMessage.success('已复制到剪贴板')
}

// 播放控制
function handlePlay() {
  playerRef.value?.play()
  addLog('播放', 'info')
}

function handlePause() {
  playerRef.value?.pause()
  addLog('暂停', 'info')
}

function handleStop() {
  isPlaying.value = false
  addLog('停止播放', 'info')
}

function handleReconnect() {
  playerRef.value?.reconnect()
  addLog('重新连接', 'info')
}

function handleScreenshot() {
  playerRef.value?.screenshot()
  addLog('截图', 'info')
}

function handleFullscreen() {
  playerRef.value?.fullscreen()
  addLog('全屏', 'info')
}

// 事件处理
function onPlay() {
  addLog('视频开始播放', 'success')
}

function onPause() {
  addLog('视频已暂停', 'info')
}

function onError(error: any) {
  addLog(`播放错误: ${error?.message || JSON.stringify(error)}`, 'error')
}

// PTZ 控制
async function handlePTZ(direction: keyof typeof PTZ_DIRECTIONS) {
  if (!ptzConfig.host || !ptzConfig.username || !ptzConfig.password) {
    ElMessage.warning('请先配置摄像头信息')
    return
  }

  const result = await startPTZ(
    {
      host: ptzConfig.host,
      username: ptzConfig.username,
      password: ptzConfig.password
    },
    direction,
    ptzSpeed.value
  )

  if (result.success) {
    addLog(`PTZ 移动: ${direction} (速度: ${ptzSpeed.value})`, 'info')
  } else {
    addLog(`PTZ 控制失败: ${result.error}`, 'error')
  }
}

async function handlePTZStop() {
  if (!ptzConfig.host) return

  const result = await stopPTZ({
    host: ptzConfig.host,
    username: ptzConfig.username,
    password: ptzConfig.password
  })

  if (!result.success) {
    addLog(`PTZ 停止失败: ${result.error}`, 'error')
  }
}

// 缩放滑块控制
function formatZoomTooltip(val: number) {
  if (val === 0) return '停止'
  return val > 0 ? `放大 ${val}` : `缩小 ${Math.abs(val)}`
}

async function handleZoomChange(val: number) {
  if (!ptzConfig.host || !ptzConfig.username || !ptzConfig.password) return

  if (val === 0) {
    await stopZoom({
      host: ptzConfig.host,
      username: ptzConfig.username,
      password: ptzConfig.password
    })
    return
  }

  const direction = val > 0 ? 'IN' : 'OUT'
  const speed = Math.abs(val)

  await startZoom(
    {
      host: ptzConfig.host,
      username: ptzConfig.username,
      password: ptzConfig.password
    },
    direction,
    speed
  )
}

async function handleZoomRelease() {
  // 松开滑块时回到中间并停止
  zoomValue.value = 0
  if (!ptzConfig.host) return

  await stopZoom({
    host: ptzConfig.host,
    username: ptzConfig.username,
    password: ptzConfig.password
  })
  addLog('缩放停止', 'info')
}
</script>

<style lang="scss" scoped>
.page-container {
  background-color: var(--bg-page);
  height: 100%;
  overflow: auto;
}

.page-header {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  padding: 15px 20px;
  background-color: var(--bg-container);
  border-radius: var(--radius-base);
  color: var(--text-primary);

  .title {
    font-size: 18px;
    font-weight: 600;
  }
}

.config-section {
  padding: 20px;
  margin-bottom: 20px;
  background-color: var(--bg-container);
  border-radius: var(--radius-base);
}

.player-ptz-container {
  padding: 20px;
  background-color: var(--bg-container);
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

.player-section {
  flex: 1;
  height: 500px;
  border-radius: var(--radius-base);
  overflow: hidden;
  background-color: #000;

  .player-placeholder {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);

    p {
      margin-top: 15px;
      font-size: 14px;
    }
  }
}

.ptz-panel {
  width: 280px;
  background-color: var(--bg-container);
  border-radius: var(--radius-base);
  padding: 15px;

  .ptz-header {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
  }

  .ptz-config {
    margin-bottom: 15px;
  }

  .ptz-controls {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 15px;
  }

  .ptz-btn {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-regular);

    &:hover {
      background-color: var(--color-primary-light-9);
      border-color: var(--color-primary);
      color: var(--color-primary);
    }

    &:active {
      background-color: var(--color-primary);
      color: #fff;
    }

    .el-icon {
      font-size: 20px;
    }
  }

  .ptz-center {
    background-color: var(--bg-page);

    &:hover {
      background-color: var(--color-primary-light-9);
    }
  }

  .speed-control {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);

    .control-label {
      font-size: 12px;
      color: var(--text-secondary);
      margin-bottom: 8px;
    }
  }

  .zoom-controls {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);

    .zoom-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-secondary);
      margin-bottom: 8px;

      span {
        flex: 1;
        text-align: center;
      }
    }
  }

  .ptz-speed {
    display: flex;
    align-items: center;
    gap: 10px;

    span {
      font-size: 12px;
      color: var(--text-secondary);
      white-space: nowrap;
    }

    .el-slider {
      flex: 1;
    }
  }
}

.control-section {
  padding: 15px 20px;
  background-color: var(--bg-container);
  border-radius: var(--radius-base);
  margin-bottom: 20px;
}

.status-section {
  margin-bottom: 20px;
  padding: 15px 20px;
  background-color: var(--bg-container);
  border-radius: var(--radius-base);
}

.info-section {
  margin-bottom: 20px;
  background-color: var(--bg-container);
  border-radius: var(--radius-base);

  .info-content {
    padding: 10px 0;

    h4 {
      margin: 15px 0 8px;
      color: var(--text-primary);
      font-size: 14px;

      &:first-child {
        margin-top: 0;
      }
    }

    p {
      margin: 0;
      color: var(--text-regular);
      font-size: 13px;
    }

    .code-block {
      background-color: var(--bg-hover);
      padding: 12px;
      border-radius: var(--radius-sm);
      font-family: 'Monaco', 'Menlo', monospace;
      font-size: 12px;
      line-height: 1.6;
      overflow-x: auto;
      color: var(--text-primary);
    }
  }
}

.log-section {
  padding: 15px 20px;
  background-color: var(--bg-container);
  border-radius: var(--radius-base);

  .log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;

    h4 {
      font-size: 14px;
      margin: 0;
      color: var(--text-primary);
    }
  }

  .log-content {
    max-height: 200px;
    overflow-y: auto;
    background-color: var(--bg-hover);
    border-radius: var(--radius-sm);
    padding: 10px;
  }

  .log-item {
    font-size: 12px;
    padding: 4px 0;
    border-bottom: 1px solid var(--border-color-light);
    color: var(--text-regular);

    &:last-child {
      border-bottom: none;
    }

    .time {
      color: var(--text-secondary);
      margin-right: 10px;
    }

    &.success .message {
      color: var(--color-success);
    }

    &.error .message {
      color: var(--color-danger);
    }
  }

  .log-empty {
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
    padding: 20px 0;
  }
}
</style>
