import type { Ref } from 'vue'
import { useWeighing } from '~/composables/useWeighing'
import { usePdfPrinter } from '~/composables/usePdfPrinter'
import type { WeightData } from '~/services/dto/weight-data'

interface UseWeighingStepOptions {
    mode: 'gross' | 'tare'
    entity: Ref<any>
    entityName: 'reception' | 'shipment'
    apiResource: string
    titleLabel: string
    isFinal: boolean
    getWeightFromScale: () => Promise<WeightData>
    updateEntity: (id: number, payload: any) => Promise<any>
    loadEntity: (id: number) => Promise<any>
    clearEntity: () => void
    buildReceiptFilename: (entity: any) => string
}

export const useWeighingStep = (options: UseWeighingStepOptions) => {
    const router = useRouter()
    const { printPdf } = usePdfPrinter()

    const {
        weightData,
        currentWeightEntry,
        displayWeight,
        displayDsd,
        title,
        showLoadingBox,
        fetchWeight,
        saveWeight
    } = useWeighing({
        mode: options.mode,
        entity: options.entity,
        entityName: options.entityName,
        apiResource: options.apiResource,
        titleLabel: options.titleLabel,
        getWeightFromScale: options.getWeightFromScale,
        updateEntity: options.updateEntity,
        loadEntity: options.loadEntity
    })

    const showGenerateReceipt = computed(
        () => options.isFinal && displayWeight.value !== null
    )

    const printReceipt = async () => {
        if (!import.meta.client || !options.entity.value) return

        await saveWeight()
        const entity = options.entity.value
        const filename = options.buildReceiptFilename(entity)
        await printPdf(`/${options.apiResource}/${entity.id}/receipt`, filename)

        await new Promise((resolve) => setTimeout(resolve, 600))

        const result = await options.updateEntity(entity.id, { isValid: true })
        if (!result) return

        options.clearEntity()
        await router.push('/')
    }

    return {
        weightData,
        currentWeightEntry,
        displayWeight,
        displayDsd,
        title,
        showLoadingBox,
        fetchWeight,
        saveWeight,
        showGenerateReceipt,
        printReceipt
    }
}