import { Decimal } from './Decimal.js';
/**
 * Coerces outbound V2 request data by converting bigint (or number)
 * int64_string fields to strings, matching the wire format expected by the API.
 *
 * Walks the schema tree and only touches fields that are marked as
 * int64_string. All other values are left unchanged.
 */
export const coerceV2RequestData = (data, schema) => {
    if (data == null) {
        return data;
    }
    switch (schema.kind) {
        case 'int64_string':
            return typeof data === 'bigint' || typeof data === 'number'
                ? String(data)
                : data;
        case 'decimal_string':
            // Duck-type check: Decimal instances have toFixed() and isZero() methods.
            return typeof data.toFixed === 'function' &&
                typeof data.isZero === 'function'
                ? data.toString()
                : data;
        case 'object': {
            if (typeof data !== 'object' || Array.isArray(data)) {
                return data;
            }
            const obj = data;
            const result = {};
            for (const key of Object.keys(obj)) {
                const fieldSchema = schema.fields[key];
                result[key] = fieldSchema
                    ? coerceV2RequestData(obj[key], fieldSchema)
                    : obj[key];
            }
            return result;
        }
        case 'array': {
            if (!Array.isArray(data)) {
                return data;
            }
            return data.map((element) => coerceV2RequestData(element, schema.element));
        }
        case 'nullable':
            return coerceV2RequestData(data, schema.inner);
    }
};
/**
 * Coerces inbound V2 response data by converting string int64_string fields
 * to bigints, matching the SDK's public type contract.
 *
 * Walks the schema tree and only touches fields that are marked as
 * int64_string. All other values are left unchanged.
 */
export const coerceV2ResponseData = (data, schema) => {
    if (data == null) {
        return data;
    }
    switch (schema.kind) {
        case 'int64_string':
            if (typeof data === 'string') {
                try {
                    return BigInt(data);
                }
                catch {
                    throw new Error(`Failed to coerce int64_string value: expected an integer string, got '${data}'`);
                }
            }
            return data;
        case 'decimal_string':
            if (typeof data === 'string') {
                try {
                    return Decimal.from(data);
                }
                catch {
                    throw new Error(`Failed to coerce decimal_string value: expected a decimal string, got '${data}'`);
                }
            }
            return data;
        case 'object': {
            if (typeof data !== 'object' || Array.isArray(data)) {
                return data;
            }
            const obj = data;
            for (const key of Object.keys(schema.fields)) {
                if (key in obj) {
                    obj[key] = coerceV2ResponseData(obj[key], schema.fields[key]);
                }
            }
            return obj;
        }
        case 'array': {
            if (!Array.isArray(data)) {
                return data;
            }
            for (let i = 0; i < data.length; i++) {
                data[i] = coerceV2ResponseData(data[i], schema.element);
            }
            return data;
        }
        case 'nullable':
            return coerceV2ResponseData(data, schema.inner);
    }
};
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