"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateConvertTOMLValue = exports.getStaticTOMLValue = void 0;
const internal_utils_1 = require("./internal-utils");
/**
 * Gets the static value for the given node.
 */
exports.getStaticTOMLValue = generateConvertTOMLValue((node) => node.value);
/** Generates a converter to convert from a node. */
function generateConvertTOMLValue(convertValue) {
    /**
     * Resolve TOML value
     */
    function resolveValue(node, baseTable) {
        return resolver[node.type](node, baseTable);
    }
    const resolver = {
        Program(node, baseTable = {}) {
            return resolveValue(node.body[0], baseTable);
        },
        TOMLTopLevelTable(node, baseTable = {}) {
            for (const body of node.body) {
                resolveValue(body, baseTable);
            }
            return baseTable;
        },
        TOMLKeyValue(node, baseTable = {}) {
            const value = resolveValue(node.value);
            set(baseTable, resolveValue(node.key), value);
            return baseTable;
        },
        TOMLTable(node, baseTable = {}) {
            const table = getTable(baseTable, resolveValue(node.key), node.kind === "array");
            for (const body of node.body) {
                resolveValue(body, table);
            }
            return baseTable;
        },
        TOMLArray(node) {
            return node.elements.map((e) => resolveValue(e));
        },
        TOMLInlineTable(node) {
            const table = {};
            for (const body of node.body) {
                resolveValue(body, table);
            }
            return table;
        },
        TOMLKey(node) {
            return node.keys.map((key) => resolveValue(key));
        },
        TOMLBare(node) {
            return node.name;
        },
        TOMLQuoted(node) {
            return node.value;
        },
        TOMLValue(node) {
            return convertValue(node);
        },
    };
    return (node) => resolveValue(node);
}
exports.generateConvertTOMLValue = generateConvertTOMLValue;
/**
 * Get the table from the table.
 */
function getTable(baseTable, keys, array) {
    let target = baseTable;
    for (let index = 0; index < keys.length - 1; index++) {
        const key = keys[index];
        target = getNextTargetFromKey(target, key);
    }
    const lastKey = (0, internal_utils_1.last)(keys);
    const lastTarget = target[lastKey];
    if (lastTarget == null) {
        const tableValue = {};
        target[lastKey] = array ? [tableValue] : tableValue;
        return tableValue;
    }
    if (isValue(lastTarget)) {
        // Update because it is an invalid value.
        const tableValue = {};
        target[lastKey] = array ? [tableValue] : tableValue;
        return tableValue;
    }
    if (!array) {
        if (Array.isArray(lastTarget)) {
            // Update because it is an invalid value.
            const tableValue = {};
            target[lastKey] = tableValue;
            return tableValue;
        }
        return lastTarget;
    }
    if (Array.isArray(lastTarget)) {
        // New record
        const tableValue = {};
        lastTarget.push(tableValue);
        return tableValue;
    }
    // Update because it is an invalid value.
    const tableValue = {};
    target[lastKey] = [tableValue];
    return tableValue;
    /** Get next target from key */
    function getNextTargetFromKey(currTarget, key) {
        const nextTarget = currTarget[key];
        if (nextTarget == null) {
            const val = {};
            currTarget[key] = val;
            return val;
        }
        if (isValue(nextTarget)) {
            // Update because it is an invalid value.
            const val = {};
            currTarget[key] = val;
            return val;
        }
        let resultTarget = nextTarget;
        while (Array.isArray(resultTarget)) {
            const lastIndex = resultTarget.length - 1;
            const nextElement = resultTarget[lastIndex];
            if (isValue(nextElement)) {
                // Update because it is an invalid value.
                const val = {};
                resultTarget[lastIndex] = val;
                return val;
            }
            resultTarget = nextElement;
        }
        return resultTarget;
    }
}
/**
 * Set the value to the table.
 */
function set(baseTable, keys, value) {
    let target = baseTable;
    for (let index = 0; index < keys.length - 1; index++) {
        const key = keys[index];
        const nextTarget = target[key];
        if (nextTarget == null) {
            const val = {};
            target[key] = val;
            target = val;
        }
        else {
            if (isValue(nextTarget) || Array.isArray(nextTarget)) {
                // Update because it is an invalid value.
                const val = {};
                target[key] = val;
                target = val;
            }
            else {
                target = nextTarget;
            }
        }
    }
    target[(0, internal_utils_1.last)(keys)] = value;
}
/**
 * Check whether the given value is a value.
 */
function isValue(value) {
    return typeof value !== "object" || value instanceof Date;
}