import { z } from "zod"

export const relationFieldSchema = z
    .object({ value: z.string(), label: z.string() })
    .nullable()

const packagePartSchema = z.object({
    id: z.union([z.string(), z.number()]).optional(),
    part: relationFieldSchema,
    quantity: z.coerce.number().min(0).optional(),
    rate: z.coerce.number().min(0).optional(),
})

const packageServiceSchema = z.object({
    id: z.union([z.string(), z.number()]).optional(),
    service: relationFieldSchema,
    rate: z.coerce.number().min(0).optional(),
    hours: z.coerce.number().min(0).optional(),
})

export const serviceGroupFormSchema = z.object({
    shop_type: relationFieldSchema,
    inventory_category: relationFieldSchema,
    unit_type: relationFieldSchema,
    department: relationFieldSchema,
    service_name: z.string().min(1, "Service name is required"),
    code: z.string().optional(),
    service_description: z.string().optional(),
    selling_price: z.coerce.number().min(0).optional(),
    selling_chart_of_account: z.string().optional(),
    show_as_lump_sum: z.boolean().optional(),
    mark_as_recommended: z.boolean().optional(),
    set_packaged_pricing: z.boolean().optional(),
    is_active: z.boolean().optional(),
    // ── Package contents ──
    parts: z.array(packagePartSchema).optional(),
    services: z.array(packageServiceSchema).optional(),
})

export type ServiceGroupFormValues = z.infer<typeof serviceGroupFormSchema>