import { FastifyInstance } from "fastify"
import { historyitems } from "../../db/schema";

export async function insertHistoryItem(
    server: FastifyInstance,
    params: {
        tenant_id: number
        created_by: string | null
        entity: string
        entityId: string | number
        action: "created" | "updated" | "unchanged" | "deleted" | "archived"
        oldVal?: any
        newVal?: any
        text?: string
    }
) {
    const textMap = {
        created: `Neuer Eintrag in ${params.entity} erstellt`,
        updated: `Eintrag in ${params.entity} geändert`,
        archived: `Eintrag in ${params.entity} archiviert`,
        deleted: `Eintrag in ${params.entity} gelöscht`
    }

    const columnMap: Record<string, string> = {
        customers: "customer",
        vendors: "vendor",
        projects: "project",
        plants: "plant",
        contacts: "contact",
        inventoryitems: "inventoryitem",
        products: "product",
        profiles: "profile",
        absencerequests: "absencerequest",
        events: "event",
        tasks: "task",
        vehicles: "vehicle",
        costcentres: "costcentre",
        ownaccounts: "ownaccount",
        documentboxes: "documentbox",
        hourrates: "hourrate",
        services: "service",
        roles: "role",
        checks: "check",
        spaces: "space",
        trackingtrips: "trackingtrip",
        createddocuments: "createddocument",
        inventoryitemgroups: "inventoryitemgroup",
        bankstatements: "bankstatement"
    }

    const fkColumn = columnMap[params.entity]
    if (!fkColumn) {
        server.log.warn(`Keine History-Spalte für Entity: ${params.entity}`)
        return
    }

    const entry = {
        tenant: params.tenant_id,
        created_by: params.created_by,
        text: params.text || textMap[params.action],
        action: params.action,
        [fkColumn]: params.entityId,
        oldVal: params.oldVal ? JSON.stringify(params.oldVal) : null,
        newVal: params.newVal ? JSON.stringify(params.newVal) : null
    }

    await server.db.insert(historyitems).values(entry as any)
}