window.app.component('direct-messages', {
  name: 'direct-messages',
  props: ['active-chat-customer', 'merchant-id', 'adminkey', 'inkey'],
  template: '#direct-messages',
  delimiters: ['${', '}'],
  watch: {
    activeChatCustomer: async function (n) {
      this.activePublicKey = n
    },
    activePublicKey: async function (n) {
      await this.getDirectMessages(n)
    }
  },
  computed: {
    messagesAsJson: function () {
      return this.messages.map(m => {
        const dateFrom = moment(m.event_created_at * 1000).fromNow()
        try {
          const message = JSON.parse(m.message)
          return {
            isJson: message.type >= 0,
            dateFrom,
            ...m,
            message
          }
        } catch (error) {
          return {
            isJson: false,
            dateFrom,
            ...m,
            message: m.message
          }
        }
      })
    }
  },
  data: function () {
    return {
      customers: [],
      unreadMessages: 0,
      activePublicKey: null,
      messages: [],
      newMessage: '',
      showAddPublicKey: false,
      newPublicKey: null,
      showRawMessage: false,
      rawMessage: null
    }
  },
  methods: {
    sendMessage: async function () {},
    buildCustomerLabel: function (c) {
      if (!c) return ''
      let label = c.profile.name || 'unknown'
      if (c.profile.about) {
        label += ` - ${c.profile.about.substring(0, 30)}`
        if (c.profile.about.length > 30) label += '...'
      }
      if (c.unread_messages) {
        label = `[${c.unread_messages} new] ${label}`
      }
      label += ` (${c.public_key.slice(0, 8)}...${c.public_key.slice(-8)})`
      return label
    },
    getDirectMessages: async function (pubkey) {
      if (!pubkey) {
        this.messages = []
        return
      }
      try {
        const {data} = await LNbits.api.request(
          'GET',
          '/nostrmarket/api/v1/message/' + pubkey,
          this.inkey
        )
        this.messages = data

        this.focusOnChatBox(this.messages.length - 1)
      } catch (error) {
        LNbits.utils.notifyApiError(error)
      }
    },
    getCustomers: async function () {
      try {
        const {data} = await LNbits.api.request(
          'GET',
          '/nostrmarket/api/v1/customer',
          this.inkey
        )
        this.customers = data
        this.unreadMessages = data.filter(c => c.unread_messages).length
      } catch (error) {
        LNbits.utils.notifyApiError(error)
      }
    },

    sendDirectMesage: async function () {
      try {
        const {data} = await LNbits.api.request(
          'POST',
          '/nostrmarket/api/v1/message',
          this.adminkey,
          {
            message: this.newMessage,
            public_key: this.activePublicKey
          }
        )
        this.messages = this.messages.concat([data])
        this.newMessage = ''
        this.focusOnChatBox(this.messages.length - 1)
      } catch (error) {
        LNbits.utils.notifyApiError(error)
      }
    },
    addPublicKey: async function () {
      try {
        const {data} = await LNbits.api.request(
          'POST',
          '/nostrmarket/api/v1/customer',
          this.adminkey,
          {
            public_key: this.newPublicKey,
            merchant_id: this.merchantId,
            unread_messages: 0
          }
        )
        this.newPublicKey = null
        this.activePublicKey = data.public_key
        await this.selectActiveCustomer()
      } catch (error) {
        LNbits.utils.notifyApiError(error)
      } finally {
        this.showAddPublicKey = false
      }
    },
    handleNewMessage: async function (data) {
      if (data.customerPubkey === this.activePublicKey) {
        this.messages.push(data.dm)
        this.focusOnChatBox(this.messages.length - 1)
        // focus back on input box
      }
      this.getCustomersDebounced()
    },
    showOrderDetails: function (orderId, eventId) {
      this.$emit('order-selected', {orderId, eventId})
    },
    showClientOrders: function () {
      this.$emit('customer-selected', this.activePublicKey)
    },
    selectActiveCustomer: async function () {
      await this.getDirectMessages(this.activePublicKey)
      await this.getCustomers()
    },
    showMessageRawData: function (index) {
      this.rawMessage = this.messages[index]?.message
      this.showRawMessage = true
    },
    focusOnChatBox: function (index) {
      setTimeout(() => {
        const lastChatBox = document.getElementsByClassName(
          `chat-mesage-index-${index}`
        )
        if (lastChatBox && lastChatBox[0]) {
          lastChatBox[0].scrollIntoView()
        }
      }, 100)
    }
  },
  created: async function () {
    await this.getCustomers()
    this.getCustomersDebounced = _.debounce(this.getCustomers, 2000, false)
  }
})