import {z} from 'zod'

export type GetApiApprovalWorkflowsConditionModelsV2Options = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const approvalWorkflowType = z.enum(["JOURNAL_ENTRY", "CONTRACT", "INVOICE", "BILL", "CHARGE", "CHARGE_REVERSAL", "REIMBURSEMENT"]);

export const approvalWorkflowConditionLogic = z.enum(["AND", "OR"]);

export const approvalWorkflowNumericOperator = z.enum(["GREATER_THAN", "GREATER_THAN_OR_EQUALS", "LESS_THAN", "LESS_THAN_OR_EQUALS", "EQUALS"]);

export const currencyCode = z.string();

export const roundedMonetaryAmount = z.object({amount: z.string(), currency: currencyCode});

export const approvalWorkflowMonetaryThreshold = z.object({type: z.string(), amount: roundedMonetaryAmount});

export const approvalWorkflowNumericThreshold = z.object({type: z.string(), value: z.string()});

export const approvalWorkflowAmountThreshold = z.discriminatedUnion("type", [approvalWorkflowMonetaryThreshold, approvalWorkflowNumericThreshold]);

export const approvalWorkflowAmountCondition = z.object({id: z.string(), condition_type: z.string(), operator: approvalWorkflowNumericOperator, threshold: approvalWorkflowAmountThreshold});

export const approvalWorkflowEqualityOperator = z.enum(["EQUALS", "NOT_EQUALS"]);

export const approvalWorkflowSubsidiaryCondition = z.object({id: z.string(), condition_type: z.string(), operator: approvalWorkflowEqualityOperator, subsidiary_id: z.string()});

export const approvalWorkflowCreatedByUserCondition = z.object({id: z.string(), condition_type: z.string(), operator: approvalWorkflowEqualityOperator, user_id: z.string()});

export const approvalWorkflowAuraAssistedCondition = z.object({id: z.string(), condition_type: z.string(), operator: approvalWorkflowEqualityOperator});

export const approvalWorkflowUiSubmittedCondition = z.object({id: z.string(), condition_type: z.string(), operator: approvalWorkflowEqualityOperator});

export const approvalWorkflowApiSubmittedCondition = z.object({id: z.string(), condition_type: z.string(), operator: approvalWorkflowEqualityOperator});

export const approvalWorkflowMcpSubmittedCondition = z.object({id: z.string(), condition_type: z.string(), operator: approvalWorkflowEqualityOperator});

export const approvalWorkflowFieldCondition = z.object({id: z.string(), condition_type: z.string(), operator: approvalWorkflowEqualityOperator, field_id: z.string(), field_value_id: z.string()});

export const approvalWorkflowCollectionOperator = z.enum(["ANY_OF", "NONE_OF"]);

export const approvalWorkflowAccountCondition = z.object({id: z.string(), condition_type: z.string(), operator: approvalWorkflowCollectionOperator, account_ids: z.array(z.string())});

export const approvalWorkflowSourceType = z.enum(["MANUAL", "SYSTEM", "ALL"]);

export const approvalWorkflowSourceTypeCondition = z.object({id: z.string(), condition_type: z.string(), source_type: approvalWorkflowSourceType});

export const approvalWorkflowVendorCondition = z.object({id: z.string(), condition_type: z.string(), operator: approvalWorkflowEqualityOperator, vendor_id: z.string()});

export const approvalWorkflowCustomerCondition = z.object({id: z.string(), condition_type: z.string(), operator: approvalWorkflowCollectionOperator, customer_ids: z.array(z.string())});

export const approvalWorkflowProvider = z.enum(["AIRBASE", "AWS", "AZURE", "BREX", "CHARGEBEE", "CIN7", "CSV_IMPORT", "CSV_UPLOAD", "CUSTOMER_CUSTOM", "CUSTOMER_HISTORICAL", "DEEL", "DIVVY", "EBIZ", "EXPENSIFY", "FINCH", "FLOAT", "GCP", "HUBSPOT", "HYPERLINE", "JPM", "MAXIO", "METRONOME", "NAVAN", "NEXTCLERK", "ORB", "ORDWAY", "PAYPAL", "PLAID", "POSTSCRIPT", "RAMP", "RIPPLING", "SALESFORCE", "SEQUENCE", "SOLVIMON", "SPHERE", "STRIPE", "STRIPE_BABELFISH_EXTERNAL_ID", "STRIPE_TEAM_ID", "TABS", "TRABA", "DIRECT"]);

export const approvalWorkflowProviderCondition = z.object({id: z.string(), condition_type: z.string(), operator: approvalWorkflowCollectionOperator, providers: z.array(approvalWorkflowProvider)});

export const approvalWorkflowOperation = z.enum(["CREATE", "UPDATE"]);

export const approvalWorkflowOperationCondition = z.object({id: z.string(), condition_type: z.string(), operation: approvalWorkflowOperation});

export const approvalWorkflowCondition = z.discriminatedUnion("condition_type", [approvalWorkflowAmountCondition, approvalWorkflowSubsidiaryCondition, approvalWorkflowCreatedByUserCondition, approvalWorkflowAuraAssistedCondition, approvalWorkflowUiSubmittedCondition, approvalWorkflowApiSubmittedCondition, approvalWorkflowMcpSubmittedCondition, approvalWorkflowFieldCondition, approvalWorkflowAccountCondition, approvalWorkflowSourceTypeCondition, approvalWorkflowVendorCondition, approvalWorkflowCustomerCondition, approvalWorkflowProviderCondition, approvalWorkflowOperationCondition]);

export const approvalWorkflowConditionGroup: z.ZodType<ApprovalWorkflowConditionGroup> = z.object({logic: approvalWorkflowConditionLogic, conditions: z.array(approvalWorkflowCondition), groups: z.array(z.lazy(() => approvalWorkflowConditionGroup)).optional()});

export const approvalWorkflowUserLayer = z.object({id: z.string(), order: z.number().int().gte(1), approver_type: z.string(), require_all: z.boolean(), approver_user_ids: z.array(z.string())});

export const approvalWorkflowRoleLayer = z.object({id: z.string(), order: z.number().int().gte(1), approver_type: z.string(), require_all: z.boolean(), role_ids: z.array(z.string())});

export const approvalWorkflowLayer = z.discriminatedUnion("approver_type", [approvalWorkflowUserLayer, approvalWorkflowRoleLayer]);

export const approvalWorkflowMethod = z.enum(["IN_APP", "EMAIL", "SLACK"]);

export const approvalWorkflowSubmissionSource = z.enum(["UI", "INTERNAL_API", "PUBLIC_API", "MCP", "CSV", "PROVIDER_IMPORT", "SCHEDULED_SYNC", "REIMPORT", "AURA", "SAMPLE_DATA", "SCHEDULED"]);

export const approvalWorkflowSubmissionSources = z.array(approvalWorkflowSubmissionSource);

export const approvalValueTextV2 = z.object({type: z.string(), value: z.string()});

export const approvalValueEnumV2 = z.object({type: z.string(), value: z.string()});

export const approvalValueReferenceV2 = z.object({type: z.string(), value: z.string()});

export const approvalValueDecimalV2 = z.object({type: z.string(), value: z.string()});

export const approvalValueBooleanV2 = z.object({type: z.string(), value: z.boolean()});

export const approvalValueDateV2 = z.object({type: z.string(), value: z.string()});

export const approvalValueMoneyV2 = z.object({type: z.string(), amount: z.string(), currency: z.string(), basis: z.enum(["ORIGINAL", "ACCOUNTING"])});

export const approvalValueV2 = z.discriminatedUnion("type", [approvalValueTextV2, approvalValueEnumV2, approvalValueReferenceV2, approvalValueDecimalV2, approvalValueBooleanV2, approvalValueDateV2, approvalValueMoneyV2]);

export const approvalOperandScalarV2 = z.object({kind: z.string(), value: approvalValueV2});

export const approvalOperandValuesV2 = z.object({kind: z.string(), values: z.array(approvalValueV2)});

export const approvalOperandV2 = z.discriminatedUnion("kind", [approvalOperandScalarV2, approvalOperandValuesV2]);

export const approvalExpressionPredicateV2 = z.object({id: z.string(), kind: z.string(), fieldId: z.string(), operator: z.enum(["EQUALS", "NOT_EQUALS", "IN", "NOT_IN", "GREATER_THAN", "GREATER_THAN_OR_EQUALS", "LESS_THAN", "LESS_THAN_OR_EQUALS", "CONTAINS", "NOT_CONTAINS", "STARTS_WITH", "ENDS_WITH", "IS_PRESENT", "IS_MISSING"]), operand: approvalOperandV2.optional(), textCase: z.enum(["SENSITIVE", "INSENSITIVE"])});

export const approvalExpressionGroupV2 = z.object({id: z.string(), kind: z.string(), logic: z.enum(["AND", "OR"]), children: z.array(z.lazy(() => approvalExpressionV2))});

export const approvalExpressionCollectionV2 = z.object({id: z.string(), kind: z.string(), collectionId: z.string(), quantifier: z.enum(["ANY", "ALL", "NONE"]), expression: z.lazy(() => approvalExpressionV2)});

export const approvalExpressionV2: z.ZodType<ApprovalExpressionV2> = z.discriminatedUnion("kind", [approvalExpressionPredicateV2, approvalExpressionGroupV2, approvalExpressionCollectionV2]);

export const approvalRuleV2 = z.object({version: z.literal(2), expression: approvalExpressionV2});

export const approvalWorkflowModelV2 = z.object({id: z.string(), name: z.string(), type: approvalWorkflowType, active: z.boolean(), priority: z.number().int(), condition_group: approvalWorkflowConditionGroup.optional(), approval_layers: z.array(approvalWorkflowLayer), methods: z.array(approvalWorkflowMethod), submission_sources: approvalWorkflowSubmissionSources.nullable().optional(), updated_at: z.string(), condition_model_version: z.literal(2), rule: approvalRuleV2.optional(), deadline_days: z.number().int().nullable().optional()});

export const approvalWorkflowModelsV2 = z.object({approval_workflows: z.array(approvalWorkflowModelV2)});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * List legacy and expanded approval workflows
 * 
 * GET /approval-workflows/condition-models/v2
 */
export const getApiApprovalWorkflowsConditionModelsV2 = async (options?: GetApiApprovalWorkflowsConditionModelsV2Options) => {
const {baseUrl = "https://api.rillet.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/approval-workflows/condition-models/v2${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(approvalWorkflowModelsV2, await res.json())
};