import request from '@/utils/request'

// 购物车商品项接口
export interface CartItem {
    id: number
    sku: string
    name: string
    spec_model: string
    source_table: string
    stock_quantity: number
    available_quantity: number
    barcode: string
    price: number      // 单价
    out_quantity: number // 本次出库数量
}

// 提交出库单的数据结构
export interface OutboundSubmitData {
    items: Array<{
        sku: string
        source_table: string
        stock_id: number
        barcode: string
        quantity: number
        price: number
    }>
    outbound_type: string
    consumer_name: string
    operator_name: string
    signature_path: string // 上传后返回的图片路径
    remark?: string
}

export interface ScanResult {
    id: number
    sku: string
    name: string
    spec_model: string
    source_table: string // 'stock_buy' | 'stock_product' ...
    stock_quantity: number
    available_quantity: number
    batch_number?: string
    warehouse_location?: string
    barcode?: string
    price?: number // 扫描返回的价格
}

/**
 * 根据条码获取库存物品详情
 * @param barcode 扫描到的条码
 */
export function getStockByBarcode(barcode: string) {
    return request<any, ScanResult>({
        url: '/v1/outbound/scan',
        method: 'get',
        params: { barcode }
    })
}

/**
 * 提交出库单 (批量)
 */
export function submitOutbound(data: OutboundSubmitData) {
    return request({
        url: '/v1/outbound',
        method: 'post',
        data
    })
}

/**
 * 获取出库记录列表
 */
export function getOutboundList(params: any) {
    return request({
        url: '/v1/outbound',
        method: 'get',
        params
    })
}

/**
 * 提交出库申请单（申请人 → 审批流）
 */
export function submitOutboundRequest(data: {
    items: Array<{
        material_type?: string
        name: string
        spec_model: string
        warehouse_location?: string
        quantity: number
    }>
    remark: string
}) {
    return request({
        url: '/v1/outbound/request',
        method: 'post',
        data
    })
}

/**
 * 获取出库审批申请单列表
 * @param params 支持 status, page, limit
 */
export function getApprovalRequestList(params: { status?: number | ''; page?: number; limit?: number }) {
    return request({
        url: '/v1/outbound/request',
        method: 'get',
        params
    })
}

/**
 * 审批（通过 / 驳回）出库申请单
 * @param id 审批单ID
 * @param data action: 'approve' | 'reject'，reject 时需传 reject_reason
 */
export function approveRequest(id: number, data: { action: 'approve' | 'reject'; reject_reason?: string }) {
    return request({
        url: `/v1/outbound/request/${id}/approve`,
        method: 'patch',
        data
    })
}

// ==============================================================================
// 借库审批流 API
// ==============================================================================

/**
 * 提交借库申请单（申请人 → 审批流）
 */
export function submitBorrowRequest(data: {
    items: Array<{
        name: string
        spec_model: string
        warehouse_location?: string
        quantity: number
    }>
    remark?: string
    allowed_approvers?: Array<{ type: string; value: string }>
    approver_id?: number
}) {
    return request({
        url: '/v1/transactions/borrow/request',
        method: 'post',
        data
    })
}

/**
 * 获取借库审批申请单列表
 * @param params 支持 status, page, limit
 */
export function getBorrowApprovalList(params: { status?: number | ''; page?: number; limit?: number }) {
    return request({
        url: '/v1/transactions/borrow/request',
        method: 'get',
        params
    })
}

/**
 * 审批（通过 / 驳回）借库申请单
 * @param id 审批单ID
 * @param data action: 'approve' | 'reject'，reject 时需传 reject_reason
 */
export function approveBorrowRequest(id: number, data: { action: 'approve' | 'reject'; reject_reason?: string }) {
    return request({
        url: `/v1/transactions/borrow/request/${id}/approve`,
        method: 'patch',
        data
    })
}

/**
 * 执行借库扣减（审批通过后调用）
 * @param data approval_id + 扫码选中的物品 + 借用人信息 + 签名
 */
export function dispatchBorrow(data: {
    approval_id: number
    items: Array<any>
    borrower_name: string
    signature_path: string
    remark?: string
    expected_return_time?: string | null
}) {
    return request({
        url: '/v1/transactions/borrow/dispatch',
        method: 'post',
        data
    })
}