Page({
  data: {
    background: 'transparent',
    imageUrl: '',
    Timestamp: Date.now(),

    popupShow: false,
    popupType: '',
    popupParams: {},

    options: [] as Array<{ indicationId: number; indicationName: string; active: boolean }>,
    agreementChecked: true,

    projectId: '',
    projectName: '',
    currentProjectName: '',
    projectIndex: 0,
    projectList: [] as Array<{ projectId: number; projectName: string; projectDescription: string }>,

    // 扫码获取的药师ID
    pharmacistId: '',

    isLogin: 0,
    isPatient: 0,

    // 是否已有项目
    hasProject: false,
    // 选中的适应症名称
    selectedIndicationName: '',

    bannerList: [] as any[],
  },

  onLoad() {
    const app = getApp<IAppOption>()

    // 从 globalData 初始化扫码参数
    const pharmacistId = app.globalData.pharmacistId || ''
    const projectId = app.globalData.projectId || ''

    this.setData({
      pharmacistId,
      projectId,
    })

    app.waitLogin().then(() => {
      this.getProjectList()
      this.getBanner()
      this.checkStatus()
    })
  },

  // 获取项目列表
  getProjectList() {
    wx.ajax({
      method: 'GET',
      url: '/app/patient/patient/project-list',
    }).then((res: any) => {
      const projectList = res.list || []
      const currentProjectId = res.currentProjectId

      // 找到当前项目的索引
      let projectIndex = 0
      projectList.forEach((item: any, index: number) => {
        if (item.projectId === currentProjectId) {
          projectIndex = index
        }
      })

      this.setData({
        projectList,
        projectIndex,
        currentProjectName: projectList[projectIndex]?.projectName || '华观健康',
      })
    })
  },

  // 切换项目
  onProjectChange(e: WechatMiniprogram.CustomEvent) {
    const index = e.detail.value
    const project = this.data.projectList[index]

    if (!project || project.projectId === this.data.projectList[this.data.projectIndex]?.projectId) {
      return
    }

    wx.ajax({
      method: 'POST',
      url: '/app/patient/patient/switch-project',
      data: {
        projectId: project.projectId,
      },
    }).then(() => {
      this.setData({
        projectIndex: index,
        currentProjectName: project.projectName,
        projectId: String(project.projectId),
      })
      // 刷新页面数据
      this.getBanner()
      this.checkStatus()
    })
  },
  getBanner() {
    wx.ajax({
      method: 'GET',
      url: '/app/patient/patient/banner-list',
      data: {
        projectId: this.data.projectId,
      },
    }).then((res: any) => {
      this.setData({
        bannerList: res,
      })
    })
  },
  checkStatus() {
    wx.ajax({
      method: 'GET',
      url: '/app/patient/patient/recent-project',
    })
      .then((res: any) => {
        if (res && res.projectId) {
          // 检查扫码的项目是否与当前项目一致
          const scanProjectId = this.data.projectId
          if (scanProjectId && String(scanProjectId) !== String(res.projectId)) {
            // 扫码的是不同项目，检查患者是否已参与过该项目
            this.checkAndSwitchProject(scanProjectId, res)
          } else {
            // 已有项目且与扫码项目一致，显示已参加项目状态
            this.setData({
              isLogin: 1,
              isPatient: 1,
              projectId: res.projectId,
              projectName: res.projectName,
              hasProject: true,
              selectedIndicationName: res.indicationName,
            })
          }
        } else {
          // 没有项目，获取项目列表供选择
          this.setData({
            hasProject: false,
          })
          this.getProjectInfo()
        }
      })
      .catch(() => {
        // 接口失败，获取项目列表
        this.setData({
          hasProject: false,
        })
        this.getProjectInfo()
      })
  },

  // 检查并切换项目
  checkAndSwitchProject(scanProjectId: string, currentProject: any) {
    // 获取患者的项目列表
    wx.ajax({
      method: 'GET',
      url: '/app/patient/patient/project-list',
    }).then((projectRes: any) => {
      const projectList = projectRes.list || []
      // 检查扫码的项目是否在患者已参与的项目列表中
      const hasProject = projectList.some((p: any) => String(p.projectId) === String(scanProjectId))

      if (hasProject) {
        // 患者已参与过该项目，自动切换
        wx.ajax({
          method: 'POST',
          url: '/app/patient/patient/switch-project',
          data: {
            projectId: scanProjectId,
          },
        }).then(() => {
          wx.showToast({
            title: '已切换到该项目',
            icon: 'success',
          })
          // 刷新页面数据
          this.getProjectList()
          this.checkStatus()
        }).catch(() => {
          // 切换失败，显示当前项目
          this.setData({
            isLogin: 1,
            isPatient: 1,
            projectId: currentProject.projectId,
            projectName: currentProject.projectName,
            hasProject: true,
            selectedIndicationName: currentProject.indicationName,
          })
        })
      } else {
        // 患者未参与过该项目，进入选择流程
        this.setData({
          hasProject: false,
        })
        this.getProjectInfo()
      }
    }).catch(() => {
      // 获取项目列表失败，显示当前项目
      this.setData({
        isLogin: 1,
        isPatient: 1,
        projectId: currentProject.projectId,
        projectName: currentProject.projectName,
        hasProject: true,
        selectedIndicationName: currentProject.indicationName,
      })
    })
  },

  getProjectInfo() {
    const params: any = {}
    // 如果有 projectId，传入获取指定项目信息
    if (this.data.projectId) {
      params.projectId = this.data.projectId
    }

    wx.ajax({
      method: 'GET',
      url: '/app/patient/patient/project-info',
      data: params,
    }).then((res: any) => {
      this.setData({
        projectId: res.projectId,
        projectName: res.projectName,
        options: res.indications.map((item: any) => ({
          indicationId: item.indicationId,
          indicationName: item.indicationName,
          active: false,
        })),
      })
    })
  },

  handlePopupOk() {
    this.setData({
      popupShow: false,
    })
  },

  handlePopupCancel() {
    this.setData({
      popupShow: false,
    })
  },

  selectOption(e) {
    const indicationId = e.currentTarget.dataset.id as number
    const newOptions = this.data.options.map((option) => ({
      ...option,
      active: option.indicationId === indicationId,
    }))
    this.setData({
      options: newOptions,
    })
  },

  handleWxSubmit(e: WechatMiniprogram.CustomEvent) {
    if (!this.data.agreementChecked) {
      wx.showToast({
        icon: 'none',
        title: '请同意用户协议',
      })
      return
    }

    const selectedOption = this.data.options.find((item) => item.active)
    if (!selectedOption) {
      wx.showToast({
        icon: 'none',
        title: '请选择适应症',
      })
      return
    }

    const { iv, encryptedData } = e.detail
    if (iv && encryptedData) {
      const app = getApp<IAppOption>()
      const sessionKey = app.globalData.initLoginInfo?.sessionKey || ''

      // 患者微信登录/注册
      const params: any = {
        sessionKey,
        encryptedData,
        iv,
      }
      // 如果有扫码参数，传入
      if (this.data.pharmacistId) {
        params.pharmacistId = Number.parseInt(this.data.pharmacistId)
      }
      if (this.data.projectId) {
        params.projectId = this.data.projectId
      }

      wx.ajax({
        method: 'POST',
        url: '/app/patient/patient/wx-login',
        data: params,
      }).then((res: any) => {
        const jumpUrl = res.jumpUrl

        // 如果有药师ID，创建绑定关系
        if (this.data.pharmacistId) {
          wx.ajax({
            method: 'POST',
            url: '/app/patient/patient/bind-pharmacist',
            data: {
              pharmacistId: Number.parseInt(this.data.pharmacistId),
              projectId: this.data.projectId,
              indicationId: selectedOption.indicationId,
            },
          }).then(() => {
            // 绑定成功后跳转
            wx.navigateToMiniProgram({
              appId: 'wx05551c5ee1fd1c12',
              path: jumpUrl,
            })
            this.checkStatus()
          })
        } else {
          // 没有药师ID，直接跳转
          wx.navigateToMiniProgram({
            appId: 'wx05551c5ee1fd1c12',
            path: jumpUrl,
            success: () => {
              this.checkStatus()
            },
          })
        }
      })
    }
  },

  toggleAgreement() {
    this.setData({
      agreementChecked: !this.data.agreementChecked,
    })
  },
  handleAgreement() {
    wx.navigateTo({
      url: '/privacy/pages/policy1/index',
    })
  },

  handleWork() {
    wx.navigateTo({
      url: '/pages/work/index',
    })
  },

  handleJump() {
    // 跳转到腾讯药箱小程序
    wx.navigateToMiniProgram({
      appId: 'wx05551c5ee1fd1c12',
      path: '',
    })
  },

  onShareAppMessage() {
    return {
      title: '华观健康',
      path: '/pages/index/index',
    }
  },
})