<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="100px">
      <el-form-item label="算法任务名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入算法任务名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="平台无人机" prop="uavId">
        <el-select v-model="queryParams.uavId" placeholder="请选择平台无人机">
          <el-option v-for="item in uavOptions" :key="item.id" :label="item.name" :value="item.id"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['uavps:task:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['uavps:task:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['uavps:task:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['uavps:task:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="taskList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="编号" align="center" prop="id" />
      <el-table-column label="算法任务名称" align="center" prop="name" />
      <el-table-column label="平台无人机" align="center" prop="uav.name" />
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['uavps:task:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['uavps:task:remove']"
          >删除</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-s-operation"
            @click="handleRun(scope.row)"
            v-hasPermi="['uavps:task:run']"
          >运行</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改算法任务对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="120px">
        <el-form-item label="算法任务名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入算法任务名称" />
        </el-form-item>
        <el-form-item label="平台无人机" prop="uavId">
          <el-select v-model="form.uavId" placeholder="请选择平台无人机">
            <el-option v-for="item in uavOptions" :key="item.id" :label="item.name" :value="item.id"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="多目标集群信息" prop="formationIds">
          <el-select v-model="form.formationIds" multiple placeholder="请选择多目标集群信息">
            <el-option v-for="item in formationOptions" :key="item.id" :label="item.name" :value="item.id"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <el-dialog :title="title" :visible.sync="showTrajectory" :fullscreen="true" @opened="initPixiApp" @closed="destroyPixiApp" append-to-body>
      <div ref="pixiContainer" class="pixi-container"></div>
    </el-dialog>
  </div>
</template>

<script>
import { listTask, getTask, delTask, addTask, updateTask, getUavList } from "@/api/uavps/task";
import * as PIXI from "pixi.js";

export default {
  name: "Task",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 算法任务表格数据
      taskList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否显示轨迹
      showTrajectory: false,
      // 平台无人机选项
      uavOptions: [],
      // 多目标集群选项
      formationOptions: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        uavId: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          { required: true, message: "算法任务名称不能为空", trigger: "blur" }
        ],
        uavId: [
          { required: true, message: "平台无人机不能为空", trigger: "blur" }
        ],
        formationIds: [
          { required: true, message: "多目标集群信息不能为空", trigger: "blur" }
        ],
      },
      pixiApp: null,
      planeSprite: null,
      pathPoints: [], // 轨迹坐标点
    };
  },
  created() {
    this.getList();
    this.getUavList();
  },
  methods: {
    /** 查询算法任务列表 */
    getList() {
      this.loading = true;
      listTask(this.queryParams).then(response => {
        this.taskList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    getUavList() {
      getUavList().then(response => {
        this.uavOptions = response.data;
      })
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        name: null,
        uavId: null,
        formationIds: [],
        remark: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      getTask().then(response => {
        this.formationOptions = response.formations;
        this.open = true;
        this.title = "添加算法任务";
      })
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getTask(id).then(response => {
        this.form = response.data;
        this.formationOptions = response.formations;
        this.$set(this.form, "formationIds", response.formationIds);
        this.open = true;
        this.title = "修改算法任务";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateTask(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addTask(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除算法任务编号为"' + ids + '"的数据项？').then(function() {
        return delTask(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    handleRun(row) {
      const taskId = row.id || this.ids
      //this.$router.push("" + taskId);
      this.showTrajectory = true;
      this.title = "飞行轨迹";
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('uavps/task/export', {
        ...this.queryParams
      }, `task_${new Date().getTime()}.xlsx`)
    },
    // 初始化Pixi应用
    initPixiApp() {
      const container = this.$refs.pixiContainer;
      if (!container) return;

      // 1. 创建Pixi应用
      this.pixiApp = new PIXI.Application({
        width: container.clientWidth,
        height: container.clientHeight,
        antialias: true,
        transparent: false,
        resolution: 1,
        backgroundAlpha: 0
      });
      this.pixiApp.renderer.backgroundColor = 0x66CCFF;
      container.appendChild(this.pixiApp.view);

      // 2. 绘制背景网格
      //this.drawGrid();

      // 3. 创建飞行路径
      this.generateFlightPath();

      // 4. 添加飞机精灵
      this.addPlaneSprite();

      // 5. 添加交互事件
      //this.addInteraction();

      // 6.添加视窗控制
      this.enableViewControl();
    },
    // 绘制网格背景
    drawGrid() {
      const grid = new PIXI.Graphics();
      grid.lineStyle(1, 0x2a3f5a);

      // 水平线
      for (let y = 0; y <= this.pixiApp.screen.height; y += 50) {
        grid.moveTo(0, y);
        grid.lineTo(this.pixiApp.screen.width, y);
      }

      // 垂直线
      for (let x = 0; x <= this.pixiApp.screen.width; x += 50) {
        grid.moveTo(x, 0);
        grid.lineTo(x, this.pixiApp.screen.height);
      }

      this.pixiApp.stage.addChild(grid);
    },

    // 生成飞行路径
    generateFlightPath() {
      const path = new PIXI.Graphics();
      path.lineStyle(1, 0x00ff00);

      // 生成示例路径点（实际应从API获取）
      this.pathPoints = [];
      for (let i = 0; i < 50; i++) {
        this.pathPoints.push({
          x: i * 20,
          y: 250 + Math.sin(i * 0.3) * 100
        });
      }

      // 绘制路径
      path.moveTo(this.pathPoints[0].x, this.pathPoints[0].y);
      this.pathPoints.forEach(point => {
        path.lineTo(point.x, point.y);
      });

      this.pixiApp.stage.addChild(path);
    },

    // 添加飞机精灵
    addPlaneSprite() {
      // 创建飞机图形
      const plane = new PIXI.Graphics();
      plane.beginFill(0xff0000);
      plane.moveTo(0, 0);
      plane.lineTo(20, 10);
      plane.lineTo(0, 20);
      plane.endFill();

      // 生成纹理
      const texture = this.pixiApp.renderer.generateTexture(plane);
      this.planeSprite = new PIXI.Sprite(texture);

      // 初始位置
      this.planeSprite.position.set(
        this.pathPoints[0].x,
        this.pathPoints[0].y
      );
      this.planeSprite.anchor.set(0.5);

      this.pixiApp.stage.addChild(this.planeSprite);

      // 启动动画
      this.animatePlane();
    },

    // 飞机动画
    animatePlane() {
      let currentPoint = 0;

      this.pixiApp.ticker.add(() => {
        if (currentPoint < this.pathPoints.length - 1) {
          const target = this.pathPoints[currentPoint + 1];
          const dx = target.x - this.planeSprite.x;
          const dy = target.y - this.planeSprite.y;

          // 更新位置
          this.planeSprite.x += dx * 0.1;
          this.planeSprite.y += dy * 0.1;

          // 更新角度
          this.planeSprite.rotation = Math.atan2(dy, dx) + Math.PI/2;

          // 检查是否到达下一个点
          if (Math.abs(dx) < 1 && Math.abs(dy) < 1) {
            currentPoint++;
          }
        }
      });
    },

    // 添加交互
    addInteraction() {
      this.pixiApp.stage.interactive = true;
      this.pixiApp.stage.on('pointerdown', (e) => {
        const pos = e.data.global;
        console.log('Clicked at:', pos.x, pos.y);
      });
    },

    // 销毁Pixi应用
    destroyPixiApp() {
      if (this.pixiApp) {
        this.pixiApp.destroy(true);
        this.pixiApp = null;
      }
    },
    // 添加视窗控制
    enableViewControl() {
      this.pixiApp.stage.interactive = true;

      let dragPoint = null;
      let scale = 0.2;

      this.pixiApp.stage
        .on('pointerdown', (e) => {
          dragPoint = e.data.global.clone();
        })
        .on('pointermove', (e) => {
          if (dragPoint) {
            const newPos = e.data.global;
            this.pixiApp.stage.position.x += newPos.x - dragPoint.x;
            this.pixiApp.stage.position.y += newPos.y - dragPoint.y;
            dragPoint = newPos.clone();
          }
        })
        .on('pointerup', () => {
          dragPoint = null;
        });

      // 鼠标滚轮缩放
      this.pixiApp.renderer.view.addEventListener('wheel', (e) => {
        e.preventDefault();
        const delta = e.deltaY > 0 ? 0.9 : 1.1;
        scale *= delta;
        this.pixiApp.stage.scale.set(scale);
      });
    }
  },
  beforeDestroy() {
    this.destroyPixiApp();
  }
};
</script>

<style>
.pixi-container {
  width: 100%;
  height: 790px;
  position: relative;
}

.pixi-container canvas {
  width: 100%;
  height: 100%;
}
</style>
