import { R, Module, Process, Thread } from "./r2papi.js";
import { r2, R2PipeSync } from "./r2pipe.js";

/**
 * Class that interacts with the `r2ai` plugin (requires `rlang-python` and `r2i` r2pm packages to be installed).
 * Provides a way to script the interactions with different language models using javascript from inside radare2.
 *
 * @typedef R2AI
 */
export class R2AI {
    /**
     * Instance variable that informs if the `r2ai` plugin is loaded, must be true in order to use the rest of the methods of this class.
     *
     * @type {boolean}
     */
    available: boolean = false;
    /**
     * Name of the model instantiated to be used for the subsequent calls.
     *
     * @type {string}
     */
    model: string = "";
    r2: R2PipeSync;

    constructor(r2: R2PipeSync, num?: number, model?: string) {
        this.r2 = r2;
        this.available = false;
    }

    checkAvailability(): boolean {
        if (this.available) {
            return true;
        }
        this.available = r2.cmd("r2ai -h").trim() !== "";
        /*
		if (this.available) {
			if (num) {
				r2.call(`r2ai -n ${num}`)
			}
			// r2.call('r2ai -e DEBUG=1')
			if (model) {
				this.model = model;
			}
		}
		*/
        return this.available;
    }
    /**
     * Reset conversation messages
     */
    reset() {
        this.checkAvailability();
        if (this.available) {
            r2.call("r2ai -R");
        }
    }
    /**
     * Set the role (system prompt) message for the language model to obey.
     *
     * @param {string} text containing the system prompt
     * @returns {boolean} true if successful
     */
    setRole(msg: string): boolean {
        if (this.available) {
            r2.call(`r2ai -r ${msg}`);
            return true;
        }
        return false;
    }

    /**
     * Set the Model name or path to the GGUF file to use.
     *
     * @param {string} model name or path to GGUF file
     * @returns {boolean} true if successful
     */
    setModel(modelName: string): boolean {
        if (this.available) {
            r2.call(`r2ai -m ${this.model}`);
            return true;
        }
        return false;
    }
    /**
     * Get the current selected model name.
     *
     * @returns {boolean} model name
     */
    getModel(): string {
        if (this.available) {
            this.model = r2.call("r2ai -m").trim();
        }
        return this.model;
    }
    /**
     * Get a list of suggestions for model names to use.
     *
     * @returns {string[]} array of strings containing the model names known to work
     */
    listModels(): string[] {
        if (this.available) {
            const models = r2.call("r2ai -M");
            return models
                .replace(/-m /, "")
                .trim()
                .split(/\n/g)
                .filter((x: string) => x.indexOf(":") !== -1);
        }
        return [];
    }
    /**
     * Send message to the language model to be appended to the current conversation (see `.reset()`)
     *
     * @param {string} text sent from the user to the language model
     * @returns {string} response from the language model
     */
    query(msg: string): string {
        if (!this.available || msg == "") {
            return "";
        }
        const fmsg = msg.trim().replace(/\n/g, ".");
        const response = r2.call(`r2ai ${fmsg}`);
        return response.trim();
    }
}