import axios from 'axios'
import { Db } from '../utils'

const actions = {
    notify(_, message) {
        openerp.web.notification.do_warn('Atención', message)
        return false
    },
    initProcess({ getters, commit, dispatch }, payload) {
        commit('setMode', payload || getters.mode)
        commit('setResult', '')
        
        commit('setLoading', true)
        commit('setCompleted', false)

        return axios.get('/eiru_sales/init', {
            params: {
                mode: getters.mode
            }
        }).then(({data}) => {
            commit('setLoading', false)
            commit('toggleFooterButtonsVisibility')

            dispatch('explodeData', data)
        }).catch(error => {
            console.error(error)
        })
    },
    explodeData({ dispatch, commit }, data) {
        Db.create(data)

        for (let value in data) {
            if (value === 'settings') {
                commit('updateSettings', data[value])
                continue
            }

            dispatch(`init${value[0].toUpperCase()}${value.slice(1)}`, data[value])
        }
    },
    createProduct({ dispatch }, payload) {
        return axios.post('createProductUrl', {
            jsonrpc: '2.0',
            method: 'call',
            params: {
                ...payload
            }
        }).then(({data}) => {
            dispatch('receiveProduct', data.result)
        }).catch(error => {
            console.error(error)
        })
    },
    createCustomer({ dispatch }, payload) {
        return axios.post('/eiru_sales/create_customer', {
            jsonrpc: '2.0',
            method: 'call',
            params: {
                ...payload
            }
        }).then(({data}) => {
            dispatch('receiveCustomer', data.result)
        }).catch(error => {
            console.error(error)
        })
    },
    checkCart({ getters, dispatch }) {
        return !!getters.cartItems.length || dispatch('notify', 'Necesitas agregar productos al carrito para continuar')
    },
    checkCustomer({ getters, dispatch }) {
        if (getters.processing) {
            return dispatch('notify', 'Espere mientras se está procesando')
        }

        return !!getters.selectedCustomer || dispatch('notify', 'Necesitas seleccionar un cliente para continuar')
    },
    checkPaymentMethod({ getters }) {
        if (getters.processing) {
            return dispatch('notify', 'Espere mientras se está procesando')
        }

        return true
    },
    checkAmountReceived({ getters, dispatch }) {
        if (getters.paymentType === 'cash') {
            return getters.initialPayment >= getters.amountToPay || dispatch('notify', 'El monto recibido no puede ser menor al monto a pagar')
        } else {
            return getters.initialPayment < getters.amountToPay || dispatch('notify', 'El monto recibido no puede ser igual o mayor al monto a pagar')
        }
    },
    toggleSettingsVisibility({ commit }) {
        commit('setSettingsVisibility')
    },
    changeSetting({dispatch, commit}, setting) {
        commit('setLoading', true)

        return axios.post('/eiru_sales/save_settings', {
            jsonrpc: '2.0',
            method: 'call',
            params: {
                ...setting
            }
        }).then(({data}) => {
            dispatch('updateImages', data.result)

            commit('updateSettings', data.result)
            commit('setLoading', false)
        }).catch(error => {
            console.log(error)
        })
    },
    updateImages({ commit, getters }, data) {
        const imageType = getters.settings.imageType ? 'small' : 'big'
        
        if (imageType === data.imageType) {
            return
        }

        return axios.get('/eiru_sales/get_images').then(({data}) => {
            commit('setProducts', data.products)
            commit('setCustomers', data.customers)
        }).catch(error =>  {
            console.error(error)
        })
    },
    endProcess({ getters, commit, dispatch }) {
        const mode = getters.mode

        // Check variables
        if (mode == 'sale') {
            if (getters.paymentType === 'cash' && getters.initialPayment < getters.amountToPay) {
                return dispatch('notify', 'El monto recibido no puede ser menor al monto a pagar')
            } 
    
            if (getters.paymentType !== 'cash' && getters.initialPayment >= getters.amountToPay) {
                return dispatch('notify', 'El monto recibido no puede ser igual o mayor al monto a pagar')
            }
        }

        commit('setLoading', true)

        // Collect data
        const data = {
            mode,
            items: getters.cartItems.map(item => {
                return {
                    id: item.id,
                    quantity: item.quantity,
                    price: item.price
                }
            }),
            total: getters.cartTotal,
            customerId: getters.selectedCustomer.id,
            paymentTermId: getters.paymentTerm.id,
            journalId: getters.selectedJournal.id,
            payment: getters.initialPayment > getters.amountToPay ? getters.amountToPay : getters.initialPayment,
            currencyId: getters.selectedCurrency.id,
            paymentMethod: getters.paymentMethod,
            bankPaymentData: {
                ...getters.bankPaymentData
            }
        }

        // Send data to server endpoint
        axios.post('/eiru_sales/finish', {
            jsonrpc: '2.0',
            method: 'call',
            params: {
                ...data
            }
        }).catch(() => {
            dispatch('notify', 'La transacción no terminó correctamente')
        })

        // Print document
        dispatch('printDocument').then(() => {
            commit('setLoading', false)
            commit('setCompleted', true)
        })
    },
    printDocument({ getters, dispatch }) {
        if (getters.mode === 'sale') {
            return dispatch('printTicket')
        }
    },
    printTicket({ getters }) {
        const data = {
            company: getters.companyName,
            street: getters.user.company.street,
            city: getters.user.company.city,
            country: getters.user.company.country,
            customer: getters.selectedCustomerName,
            date: openerp.web.date_to_str(new Date()),
            user: getters.user.name,
            items: getters.cartItems.map(item => {
                return {
                    name: item.name.toUpperCase(),
                    quantity: item.quantity,
                    price: item.price,
                    subtotal: item.quantity * item.price
                }
            }),
            paymentMethod: getters.paymentMethod,
            total: getters.amountToPay,
            received: getters.amountResidual + getters.amountToPay,
            residual: getters.amountResidual,
            currencyPosition: getters.selectedCurrency.position,
            currencyDecimalPlaces: getters.selectedCurrency.decimalPlaces,
            currencyDecimalSeparator: getters.selectedCurrency.decimalSeparator,
            currencySymbol: getters.currencySymbol
        }

        const wrapper = document.createElement('div')
        wrapper.innerHTML = openerp.web.qweb.render('EiruPosTicket', {...data})
        wrapper.setAttribute('id', 'ticket_wrapper')

        var childElement = document.body.appendChild(wrapper)

        const ticket_el = document.querySelector('.eiru_pos_ticket')
        const ticket_width = 70
        const measure_factor = 3.7793
        const dpi_factor = 3.125

        return new Promise(resolve => {
            openerp.html2canvas(ticket_el, {
                logging: false,
                width: ticket_width * measure_factor,
                scale: dpi_factor
            }).then(function (canvas) {
                childElement.remove()
    
                const dataURL = canvas.toDataURL('image/png')
    
                const width = (canvas.width / measure_factor) / dpi_factor
                const height = (canvas.height / measure_factor) / dpi_factor
    
                const doc = new jsPDF({
                    unit: 'mm',
                    format: [height, ticket_width]
                })
    
                doc.addImage(dataURL, 'PNG', 0, 0, width, height)
                const data = doc.output('datauristring')
    
                openerp.printer_bridge.print(data)

                resolve();
            });
        })
    },
    resetSettings() {
        // Ignore this
    },
    resetProcess({rootState, dispatch}) {
        for (let key in rootState) {
            if (!(rootState[key] instanceof Object)) {
                continue
            }
            
            key = key.replace('Module', '')

            dispatch(`reset${key[0].toUpperCase()}${key.slice(1)}`)
        }

        dispatch('initProcess')
    }
}

export default actions