import { http, unwrapApiResponse, type ApiEnvelope } from '@/shared/api/http'
import type { AdjustPublishedInboundFeeRequest, InboundFeePreview, InboundFeePreviewRequest, InboundFeeSelectionRequest, InboundFeeSnapshot } from './types'

function feeBasePath(inboundId: string) {
  const identifier = String(inboundId ?? '').trim()
  if (!identifier || identifier === 'null' || identifier === 'undefined') throw new TypeError('inboundId is required')
  return `/platform/v1/inbounds/${encodeURIComponent(identifier)}/fees`
}

export async function getLatestInboundFee(tenantId: string, inboundId: string) {
  const response = await http.get<unknown, ApiEnvelope<InboundFeeSnapshot>>(
    `${feeBasePath(inboundId)}/latest`,
    { params: { tenantId } },
  )
  return unwrapApiResponse(response)
}

export async function previewInboundFee(tenantId: string, inboundId: string, payload: InboundFeePreviewRequest) {
  const response = await http.post<unknown, ApiEnvelope<InboundFeePreview>>(
    `${feeBasePath(inboundId)}/preview`, payload, { params: { tenantId } },
  )
  return unwrapApiResponse(response)
}

export async function calculateInboundFee(tenantId: string, inboundId: string, payload: InboundFeeSelectionRequest, idempotencyKey: string) {
  const response = await http.post<unknown, ApiEnvelope<InboundFeeSnapshot>>(
    `${feeBasePath(inboundId)}/calculate`, payload,
    { params: { tenantId }, headers: { 'Idempotency-Key': idempotencyKey } },
  )
  return unwrapApiResponse(response)
}

export async function createManualInboundQuote(tenantId: string, inboundId: string, payload: {
  selectedWeightKg: number; selectedVolumeCbm: number; unitPrice: number; reason: string
}, idempotencyKey: string) {
  const response = await http.post<unknown, ApiEnvelope<InboundFeeSnapshot>>(
    `${feeBasePath(inboundId)}/manual-quote`, payload,
    { params: { tenantId }, headers: { 'Idempotency-Key': idempotencyKey } },
  )
  return unwrapApiResponse(response)
}

async function transitionInboundFee(
  tenantId: string,
  inboundId: string,
  action: 'confirm' | 'send',
  idempotencyKey: string,
) {
  const response = await http.post<unknown, ApiEnvelope<InboundFeeSnapshot>>(
    `${feeBasePath(inboundId)}/${action}`,
    undefined,
    { params: { tenantId }, headers: { 'Idempotency-Key': idempotencyKey } },
  )
  return unwrapApiResponse(response)
}

export function confirmInboundFee(tenantId: string, inboundId: string, idempotencyKey: string) {
  return transitionInboundFee(tenantId, inboundId, 'confirm', idempotencyKey)
}

export function sendInboundFee(tenantId: string, inboundId: string, idempotencyKey: string) {
  return transitionInboundFee(tenantId, inboundId, 'send', idempotencyKey)
}

export async function adjustPublishedInboundFee(
  tenantId: string,
  inboundId: string,
  payload: AdjustPublishedInboundFeeRequest,
  idempotencyKey: string,
) {
  const response = await http.put<unknown, ApiEnvelope<InboundFeeSnapshot>>(
    `${feeBasePath(inboundId)}/published`,
    payload,
    { params: { tenantId }, headers: { 'Idempotency-Key': idempotencyKey } },
  )
  return unwrapApiResponse(response)
}

export function createFeeAdjustmentIdempotencyKey() {
  return createFeeActionIdempotencyKey('adjust')
}

export function createFeeActionIdempotencyKey(action: 'adjust' | 'calculate' | 'manual' | 'confirm' | 'send') {
  const uuid = globalThis.crypto?.randomUUID?.()
  if (uuid) return `fee-${action}-${uuid}`
  return `fee-${action}-${Date.now()}-${Math.random().toString(36).slice(2, 12)}`
}