const PLUGIN_ID_PATTERN = /^[a-z0-9][a-z0-9.-]*[a-z0-9]$/;
const SEMVER_PATTERN = /^\d+\.\d+\.\d+(?:[-+][0-9A-Za-z.-]+)?$/;
export function validatePluginManifest(input) {
    const errors = [];
    if (!isRecord(input)) {
        return { success: false, errors: ["manifest must be an object"] };
    }
    if (input.ideaPluginManifestVersion !== 1) {
        errors.push("ideaPluginManifestVersion must be 1");
    }
    requireString(input, "id", errors);
    requireString(input, "displayName", errors);
    requireString(input, "version", errors);
    requireString(input, "main", errors);
    if (input.trustLevel !== "full") {
        errors.push("trustLevel must be full");
    }
    optionalString(input, "description", errors);
    optionalString(input, "publisher", errors);
    if (typeof input.id === "string" && !PLUGIN_ID_PATTERN.test(input.id)) {
        errors.push("id must contain lowercase letters, digits, dots or dashes, and start/end with an alphanumeric character");
    }
    if (typeof input.version === "string" && !SEMVER_PATTERN.test(input.version)) {
        errors.push("version must use semver syntax, for example 0.1.0");
    }
    validateEngines(input.engines, errors);
    validateCapabilities(input.capabilities, errors);
    validateContributes(input.contributes, errors);
    if (errors.length > 0) {
        return { success: false, errors };
    }
    return { success: true, data: input, errors: [] };
}
export function isPluginManifest(input) {
    return validatePluginManifest(input).success;
}
export function assertPluginManifest(input) {
    const result = validatePluginManifest(input);
    if (!result.success) {
        throw new Error(`Invalid IdeA plugin manifest: ${result.errors.join("; ")}`);
    }
}
function validateEngines(value, errors) {
    if (value === undefined) {
        return;
    }
    if (!isRecord(value)) {
        errors.push("engines must be an object when provided");
        return;
    }
    optionalString(value, "idea", errors, "engines.idea");
}
function validateCapabilities(value, errors) {
    if (value === undefined) {
        return;
    }
    if (!Array.isArray(value)) {
        errors.push("capabilities must be an array when provided");
        return;
    }
    value.forEach((capability, index) => {
        if (capability !== "ui" && capability !== "mcp" && capability !== "tooling") {
            errors.push(`capabilities[${index}] must be "ui", "mcp" or "tooling"`);
        }
    });
}
function validateContributes(value, errors) {
    if (value === undefined) {
        return;
    }
    if (!isRecord(value)) {
        errors.push("contributes must be an object when provided");
        return;
    }
    validateArray(value, "menus", errors, (menu, index) => {
        requireString(menu, "id", errors, `contributes.menus[${index}].id`);
        requireString(menu, "label", errors, `contributes.menus[${index}].label`);
        if (menu.topLevel !== true) {
            errors.push(`contributes.menus[${index}].topLevel must be true`);
        }
        optionalNumber(menu, "order", errors, `contributes.menus[${index}].order`);
        optionalString(menu, "icon", errors, `contributes.menus[${index}].icon`);
    });
    validateArray(value, "menuItems", errors, (item, index) => {
        requireString(item, "id", errors, `contributes.menuItems[${index}].id`);
        requireString(item, "targetMenuId", errors, `contributes.menuItems[${index}].targetMenuId`);
        requireString(item, "label", errors, `contributes.menuItems[${index}].label`);
        requireString(item, "command", errors, `contributes.menuItems[${index}].command`);
        optionalNumber(item, "order", errors, `contributes.menuItems[${index}].order`);
        optionalString(item, "icon", errors, `contributes.menuItems[${index}].icon`);
        optionalString(item, "when", errors, `contributes.menuItems[${index}].when`);
    });
    validateArray(value, "layouts", errors, (layout, index) => {
        requireString(layout, "type", errors, `contributes.layouts[${index}].type`);
        requireString(layout, "label", errors, `contributes.layouts[${index}].label`);
        requireString(layout, "component", errors, `contributes.layouts[${index}].component`);
        optionalNumber(layout, "order", errors, `contributes.layouts[${index}].order`);
        optionalString(layout, "icon", errors, `contributes.layouts[${index}].icon`);
        optionalString(layout, "when", errors, `contributes.layouts[${index}].when`);
    });
    validateArray(value, "mcpServers", errors, (server, index) => {
        requireString(server, "id", errors, `contributes.mcpServers[${index}].id`);
        requireString(server, "displayName", errors, `contributes.mcpServers[${index}].displayName`);
        requireString(server, "command", errors, `contributes.mcpServers[${index}].command`);
        if (server.transport !== "stdio") {
            errors.push(`contributes.mcpServers[${index}].transport must be "stdio"`);
        }
        optionalStringArray(server, "args", errors, `contributes.mcpServers[${index}].args`);
        optionalStringRecord(server, "env", errors, `contributes.mcpServers[${index}].env`);
        optionalString(server, "cwd", errors, `contributes.mcpServers[${index}].cwd`);
        optionalBoolean(server, "autoStart", errors, `contributes.mcpServers[${index}].autoStart`);
        optionalBoolean(server, "allowAbsoluteCommand", errors, `contributes.mcpServers[${index}].allowAbsoluteCommand`);
    });
}
function validateArray(record, key, errors, validateItem) {
    const value = record[key];
    if (value === undefined) {
        return;
    }
    if (!Array.isArray(value)) {
        errors.push(`contributes.${key} must be an array when provided`);
        return;
    }
    value.forEach((item, index) => {
        if (!isRecord(item)) {
            errors.push(`contributes.${key}[${index}] must be an object`);
            return;
        }
        validateItem(item, index);
    });
}
function requireString(record, key, errors, label = key) {
    if (typeof record[key] !== "string" || record[key].trim().length === 0) {
        errors.push(`${label} must be a non-empty string`);
    }
}
function optionalString(record, key, errors, label = key) {
    if (record[key] !== undefined && typeof record[key] !== "string") {
        errors.push(`${label} must be a string when provided`);
    }
}
function optionalNumber(record, key, errors, label = key) {
    if (record[key] !== undefined && typeof record[key] !== "number") {
        errors.push(`${label} must be a number when provided`);
    }
}
function optionalBoolean(record, key, errors, label = key) {
    if (record[key] !== undefined && typeof record[key] !== "boolean") {
        errors.push(`${label} must be a boolean when provided`);
    }
}
function optionalStringArray(record, key, errors, label = key) {
    const value = record[key];
    if (value === undefined) {
        return;
    }
    if (!Array.isArray(value) || value.some((item) => typeof item !== "string")) {
        errors.push(`${label} must be an array of strings when provided`);
    }
}
function optionalStringRecord(record, key, errors, label = key) {
    const value = record[key];
    if (value === undefined) {
        return;
    }
    if (!isRecord(value) || Object.values(value).some((item) => typeof item !== "string")) {
        errors.push(`${label} must be an object of strings when provided`);
    }
}
function isRecord(value) {
    return typeof value === "object" && value !== null && !Array.isArray(value);
}