"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const utils_1 = require("../utils");
const ast_utils_1 = require("../utils/ast-utils");
exports.default = (0, utils_1.createRule)("no-dynamic-slot-name", {
    meta: {
        docs: {
            description: "disallow dynamic slot name",
            category: "Possible Errors",
            recommended: true,
        },
        fixable: "code",
        schema: [],
        messages: {
            unexpected: "`<slot>` name cannot be dynamic.",
            requireValue: "`<slot>` name requires a value.",
        },
        type: "problem",
    },
    create(context) {
        const sourceCode = context.getSourceCode();
        return {
            "SvelteElement[name.name='slot'] > SvelteStartTag.startTag > SvelteAttribute[key.name='name']"(node) {
                if (node.value.length === 0) {
                    context.report({
                        node,
                        messageId: "requireValue",
                    });
                    return;
                }
                for (const vNode of node.value) {
                    if (vNode.type === "SvelteMustacheTag") {
                        context.report({
                            node: vNode,
                            messageId: "unexpected",
                            fix(fixer) {
                                const text = getStaticText(vNode.expression);
                                if (text == null) {
                                    return null;
                                }
                                if (node.value.length === 1) {
                                    const range = (0, ast_utils_1.getAttributeValueQuoteAndRange)(node, sourceCode).range;
                                    return fixer.replaceTextRange(range, `"${text}"`);
                                }
                                const range = vNode.range;
                                return fixer.replaceTextRange(range, text);
                            },
                        });
                    }
                }
            },
        };
        function getStaticText(node) {
            const expr = findRootExpression(node);
            return (0, ast_utils_1.getStringIfConstant)(expr);
        }
        function findRootExpression(node, already = new Set()) {
            if (node.type !== "Identifier" || already.has(node)) {
                return node;
            }
            already.add(node);
            const variable = (0, ast_utils_1.findVariable)(context, node);
            if (!variable || variable.defs.length !== 1) {
                return node;
            }
            const def = variable.defs[0];
            if (def.type === "Variable") {
                if (def.parent.kind === "const" && def.node.init) {
                    const init = def.node.init;
                    return findRootExpression(init, already);
                }
            }
            return node;
        }
    },
});