import { apiRequestData } from "./http";

export type ApprovalRoleCode =
  | "employee"
  | "manager"
  | "ceo"
  | "finance"
  | "finance_mgr"
  | "administration"
  | "hr";
export type ApprovalOwnerSelfFallbackRoleCode = "finance" | "finance_mgr";

export type ApprovalRule = {
  id: string;
  name: string;
  minAmount: string;
  maxAmount: string | null;
  level1Role: ApprovalRoleCode;
  level2Role: ApprovalRoleCode | null;
  level3Role: ApprovalRoleCode | null;
  ownerSelfFallbackRole: ApprovalOwnerSelfFallbackRoleCode | null;
  enabled: boolean;
  priority: number;
  createdAt: string | null;
  updatedAt: string | null;
};

export type ApprovalRulesListResponse = {
  enabled: boolean | null;
  items: ApprovalRule[];
};

export async function fetchApprovalRules(params?: { enabled?: boolean }) {
  const qs = new URLSearchParams();
  if (params?.enabled != null) {
    qs.set("enabled", params.enabled ? "true" : "false");
  }

  const query = qs.toString();
  return apiRequestData<ApprovalRulesListResponse>(`/api/approval-rules${query ? `?${query}` : ""}`);
}

export type ApprovalRuleCreatePayload = {
  name: string;
  minAmount: string;
  maxAmount: string | null;
  level1Role: ApprovalRoleCode;
  level2Role: ApprovalRoleCode | null;
  level3Role: ApprovalRoleCode | null;
  ownerSelfFallbackRole: ApprovalOwnerSelfFallbackRoleCode | null;
  enabled?: boolean;
  priority?: number;
};

export async function createApprovalRule(payload: ApprovalRuleCreatePayload) {
  return apiRequestData<ApprovalRule>("/api/approval-rules", {
    method: "POST",
    body: JSON.stringify(payload),
  });
}

export type ApprovalRulePatchPayload = Partial<ApprovalRuleCreatePayload>;

export async function patchApprovalRule(approvalRuleId: string, payload: ApprovalRulePatchPayload) {
  return apiRequestData<ApprovalRule>(`/api/approval-rules/${approvalRuleId}`, {
    method: "PATCH",
    body: JSON.stringify(payload),
  });
}