import { APIError } from 'payload';
import { SAFE_STRING_REGEX } from '../../utilities/escapeSQLValue.js';
const operatorMap = {
    contains: '~',
    equals: '==',
    in: 'in',
    like: 'like_regex',
    not_equals: '!=',
    not_in: 'in',
    not_like: '!like_regex'
};
const sanitizeValue = (value, operator)=>{
    if (value === null) {
        return `NULL`;
    }
    if (typeof value === 'number' || typeof value === 'boolean') {
        return `${value}`;
    }
    if (typeof value !== 'string') {
        throw new Error('Invalid value type');
    }
    if (!SAFE_STRING_REGEX.test(value)) {
        throw new APIError(`${value} is not allowed as a JSON query value`, 400);
    }
    const escaped = value.replace(/\\/g, '\\\\').replace(/"/g, '\\"');
    const prefix = [
        'like',
        'not_like'
    ].includes(operator ?? '') ? '(?i)' : '';
    return `"${prefix}${escaped}"`;
};
export const createJSONQuery = ({ column, operator, pathSegments, value })=>{
    const columnName = typeof column === 'object' ? column.name : column;
    const jsonPaths = pathSegments.slice(1).map((key)=>{
        return `${key}[*]`;
    }).join('.');
    const fullPath = pathSegments.length === 1 ? '$[*]' : `$.${jsonPaths}`;
    let sql = '';
    if ([
        'in',
        'not_in'
    ].includes(operator) && Array.isArray(value)) {
        sql = '(';
        value.forEach((item, i)=>{
            sql = `${sql}${createJSONQuery({
                column,
                operator: operator === 'in' ? 'equals' : 'not_equals',
                pathSegments,
                value: item
            })}${i === value.length - 1 ? '' : ` ${operator === 'in' ? 'OR' : 'AND'} `}`;
        });
        sql = `${sql})`;
    } else if (operator === 'exists') {
        sql = `${value === false ? 'NOT ' : ''}jsonb_path_exists(${columnName}, '${fullPath}')`;
    } else if ([
        'not_like'
    ].includes(operator)) {
        const mappedOperator = operatorMap[operator];
        sql = `NOT jsonb_path_exists(${columnName}, '${fullPath} ? (@ ${mappedOperator.substring(1)} ${sanitizeValue(value, operator)})')`;
    } else {
        sql = `jsonb_path_exists(${columnName}, '${fullPath} ? (@ ${operatorMap[operator]} ${sanitizeValue(value, operator)})')`;
    }
    return sql;
};

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