import sqlGenOperatorGen from "./sql-gen-operator-gen";
import { sqlField, sqlIdent, sqlOperator, sqlRawEquality } from "./sql-safe";
function isPresent(val) {
    return val !== undefined && val !== null;
}
function isValuesObject(val) {
    return typeof val == "object" && val !== null && !ArrayBuffer.isView(val);
}
export default function sqlGenGenSearchStr({ queryObj, join, field, table_name, }) {
    let sqlSearhValues = [];
    const safeField = sqlField(field);
    const finalFieldName = (() => {
        if (queryObj?.tableName) {
            return `${sqlIdent(queryObj.tableName, "table name")}.${safeField}`;
        }
        if (join) {
            return `${table_name}.${safeField}`;
        }
        return safeField;
    })();
    function grabValue(val) {
        if (!isPresent(val))
            return;
        if (isValuesObject(val)) {
            const isFieldValue = Boolean(val.fieldName && val.tableName);
            return sqlGenOperatorGen({
                queryObj,
                equality: val.equality || queryObj.equality,
                fieldName: finalFieldName,
                value: isFieldValue
                    ? `${sqlIdent(val.tableName, "table name")}.${sqlIdent(val.fieldName, "field name")}`
                    : val.value,
                isValueFieldValue: isFieldValue,
            });
        }
        return sqlGenOperatorGen({
            queryObj,
            equality: queryObj.equality,
            fieldName: finalFieldName,
            value: val,
        });
    }
    let str;
    if (Array.isArray(queryObj.value)) {
        const items = queryObj.value.filter(isPresent);
        const rawValues = items
            .map((v) => (isValuesObject(v) ? v.value : v))
            .filter(isPresent);
        const equality = queryObj.equality;
        if ((equality == "IN" || equality == "NOT IN") && !rawValues.length) {
            // Empty IN () is invalid SQL: IN matches nothing, NOT IN matches everything
            str = equality == "IN" ? "1 = 0" : "1 = 1";
        }
        else if (equality == "IN" || equality == "NOT IN") {
            str = `${finalFieldName} ${equality} (${rawValues
                .map(() => "?")
                .join(", ")})`;
            sqlSearhValues.push(...rawValues);
        }
        else if (equality == "BETWEEN" || equality == "NOT BETWEEN") {
            if (rawValues.length !== 2) {
                throw new Error(`\`${equality}\` on \`${finalFieldName}\` requires exactly two values`);
            }
            str = `${finalFieldName} ${equality} ? AND ?`;
            sqlSearhValues.push(...rawValues);
        }
        else {
            if (!items.length) {
                throw new Error(`Empty value array for \`${finalFieldName}\``);
            }
            const strArray = [];
            for (const val of items) {
                const operatorStrParam = grabValue(val);
                if (!operatorStrParam)
                    continue;
                strArray.push(operatorStrParam.str);
                sqlSearhValues.push(...operatorStrParam.params);
            }
            str =
                "(" +
                    strArray.join(` ${sqlOperator(queryObj.operator)} `) +
                    ")";
        }
    }
    else if (queryObj.raw_equality && isPresent(queryObj.value)) {
        const value = isValuesObject(queryObj.value)
            ? queryObj.value.value
            : queryObj.value;
        str = `${finalFieldName} ${sqlRawEquality(queryObj.raw_equality)} ?`;
        sqlSearhValues.push(value ?? null);
    }
    else if (queryObj.between) {
        str = `${finalFieldName} BETWEEN ? AND ?`;
        sqlSearhValues.push(queryObj.between.min, queryObj.between.max);
    }
    else if (queryObj.not_between) {
        str = `${finalFieldName} NOT BETWEEN ? AND ?`;
        sqlSearhValues.push(queryObj.not_between.min, queryObj.not_between.max);
    }
    else {
        const operatorStrParam = grabValue(queryObj.value) ||
            sqlGenOperatorGen({
                equality: queryObj.equality,
                fieldName: finalFieldName,
                value: undefined,
                queryObj,
            });
        str = operatorStrParam.str;
        sqlSearhValues.push(...operatorStrParam.params);
    }
    return { str, values: sqlSearhValues };
}