"use strict";
const dataTypes = require("./data-types");
const { logger } = require("./utils/logger");
function arrayToList(array, timeZone, dialect, format2) {
  return array.reduce((sql, val, i) => {
    if (i !== 0) {
      sql += ", ";
    }
    if (Array.isArray(val)) {
      sql += `(${arrayToList(val, timeZone, dialect, format2)})`;
    } else {
      sql += escape(val, timeZone, dialect, format2);
    }
    return sql;
  }, "");
}
exports.arrayToList = arrayToList;
function escape(val, timeZone, dialect, format2) {
  let prependN = false;
  if (val === void 0 || val === null) {
    return "NULL";
  }
  switch (typeof val) {
    case "boolean":
      if (["sqlite", "mssql", "oracle"].includes(dialect)) {
        return +!!val;
      }
      return (!!val).toString();
    case "number":
    case "bigint":
      return val.toString();
    case "string":
      prependN = dialect === "mssql";
      break;
  }
  if (val instanceof Date) {
    val = dataTypes[dialect].DATE.prototype.stringify(val, { timezone: timeZone });
  }
  if (Buffer.isBuffer(val)) {
    if (dataTypes[dialect].BLOB) {
      return dataTypes[dialect].BLOB.prototype.stringify(val);
    }
    return dataTypes.BLOB.prototype.stringify(val);
  }
  if (Array.isArray(val)) {
    const partialEscape = (escVal) => escape(escVal, timeZone, dialect, format2);
    if (dialect === "postgres" && !format2) {
      return dataTypes.ARRAY.prototype.stringify(val, { escape: partialEscape });
    }
    return arrayToList(val, timeZone, dialect, format2);
  }
  if (!val.replace) {
    throw new Error(`Invalid value ${logger.inspect(val)}`);
  }
  if (["postgres", "sqlite", "mssql", "snowflake", "db2"].includes(dialect)) {
    val = val.replace(/'/g, "''");
    if (dialect === "postgres") {
      val = val.replace(/\0/g, "\\0");
    }
  } else if (dialect === "oracle" && typeof val === "string") {
    if (val.startsWith("TO_TIMESTAMP") || val.startsWith("TO_DATE")) {
      return val;
    }
    val = val.replace(/'/g, "''");
  } else {
    val = val.replace(/[\0\n\r\b\t\\'"\x1a]/g, (s) => {
      switch (s) {
        case "\0":
          return "\\0";
        case "\n":
          return "\\n";
        case "\r":
          return "\\r";
        case "\b":
          return "\\b";
        case "	":
          return "\\t";
        case "":
          return "\\Z";
        default:
          return `\\${s}`;
      }
    });
  }
  return `${(prependN ? "N'" : "'") + val}'`;
}
exports.escape = escape;
function format(sql, values, timeZone, dialect) {
  values = [].concat(values);
  if (typeof sql !== "string") {
    throw new Error(`Invalid SQL string provided: ${sql}`);
  }
  return sql.replace(/\?/g, (match) => {
    if (!values.length) {
      return match;
    }
    return escape(values.shift(), timeZone, dialect, true);
  });
}
exports.format = format;
function formatNamedParameters(sql, values, timeZone, dialect) {
  return sql.replace(/:+(?!\d)(\w+)/g, (value, key) => {
    if (dialect === "postgres" && value.slice(0, 2) === "::") {
      return value;
    }
    if (values[key] !== void 0) {
      return escape(values[key], timeZone, dialect, true);
    }
    throw new Error(`Named parameter "${value}" has no value in the given object.`);
  });
}
exports.formatNamedParameters = formatNamedParameters;
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