// Holds all functions used in multiple files
import { createRequire } from 'module';
const require = createRequire(import.meta.url);
var readlineSync = require('readline-sync');
const { exec } = require("child_process");
import { promisify } from "util";
const execPromise = promisify(exec);
import './variables.js';
import { inventoryMenuM } from './inventory.js';
import { checkPOI } from './poiscreens.js';

global.isRawModeEnabled = false; // Track whether raw mode is enabled



// Used for basic functions, not game specific
export function userInput(question) { // Basic user input functions, takes in the question to be asked.
    let answer = readlineSync.question(question);
    return(answer);
}

export function randomNumber(min, max) { // Takes in two parameters, min and max, and returns a random number between those boundries.
    while (true) {
        var randNum = Math.floor(Math.random() * (max+1));
        if (randNum >= min) { break; }
    }
    return randNum;
}


// Used for game
export function healthCapCalc() {  // Calculates HP cap given current radPoints
    healthCap = healthCap-radPoints;
    if (health > healthCap) { health = healthCap; }
}

export function radPointsCalc() {  // Calculates radPoints given walk/foodrate
    if (isRadiated == true) {
        radPoints = radPoints + 0.5 * (radSeverity * 10 + 5 * (walkRate + foodRate));
    }
}

export function eatFood() {  // Calculates food amount after a day of eating
    if (food == 0) {
        health = health - 0.25*walkRate
    } else {
        food = food - walkRate * foodRate
    }
}

export function checkLose() {  // Checks to see if any lose conditions have been met
    if (health <= 0 || radPoints >= 100) {
        death();
    }
}


export function calcLocation() {
    if (walkRate == 1) {
        if (path = 0) {
            location++;
        }
        if (path = 1) {
            locationA++;
        }
        if (path = 2) {
            locationB++;
        }
    }
    if (walkRate == 2) {
        if (path = 0) {
            location * 2;
        }
        if (path = 1) {
            locationA * 2;
        }
        if (path = 2) {
            locationB * 2;
        }    
    }
    if (walkRate == 3) {
        if (path = 0) {
            location * 3;
        }
        if (path = 1) {
            locationA * 3;
        }
        if (path = 2) {
            locationB * 3;
        }   
    }
}

export async function sleep(time) {
    try {
        await execPromise(`sleep ${time}`);
    } catch (error) {
        console.error("Error executing sleep command:", error);
    }
}

function death() {
    let random = randomNumber(1,3);
    if (random = 1) { death1(); }
    if (random = 2) { death2(); }
    if (random = 3) { death3(); }
}

function death1() {
    console.log("")
}

function death2() {

}

function death3() {

}

function timeDeath() { // The death screen for passing the time limit
    console.clear;
    console.log("Your PIP-Boy starts ringing...\n\n")
    console.log("BEEP...BEEP...BEEP");
    console.log("INCOMING MESAGE FROM: Raven_Rock_Comms-1\n\n");
    console.log("|||||||")
    console.log("||         Enclave Intranet Messager");
    console.log("|||||||")
    console.log("||         Message From: automessager");
    console.log("|||||||\n\n")
    console.log("Dear, "+name+",\n\n");
    console.log("You have failed to faithfully execute the tasks laid before you in a timely manner.");
    console.log("In consequence you have been dishonorably discharged from the Enclave Armed Forces");
    console.log("Please return to the nearest active Enclave Military Installation immeditely\n\n");
    console.log("Signed, Enclave Internal Messager");
    console.clear;
}

var travelFrame = 0;

 

export function travelScreen() {
    if (travelFrame < 0 || travelFrame > 3) {
        travelFrame = 0;
    } else if (travelFrame == 0) {
        console.clear();
        console.log("┌──────────────────────────────────────┐");
        console.log("│                                      │");
        console.log("│                                      │");
        console.log("│                                      │");
        console.log("│                                      │");
        console.log("│                 ◜─◝                  │");
        console.log("│                 ◟_◞                  │");
        console.log("│                 /║\\                  │");
        console.log("│                 \\V/                  │");
        console.log("│                 / \\                  │");
        console.log("│                ▁\\  ▔╹                │");
        console.log("│======================================│");
        console.log("│   .  . - .   .  - .      .    .   -  │");
        console.log("│  - .  .    .    .   .  .   - .      .│");
        console.log("└──────────────────────────────────────┘");
        console.log("Press [ENTER] to open Pip-Boy");
        console.log("Current Health: "+health);
        console.log("Food Amt: "+food);
        console.log("Distance to next POI: ");
        travelFrame++
    } else if (travelFrame == 1) {
        console.clear();
        console.log("┌──────────────────────────────────────┐");
        console.log("│                                      │");
        console.log("│                                      │");
        console.log("│                                      │");
        console.log("│                                      │");
        console.log("│                 ◜─◝                  │");
        console.log("│                 ◟_◞                  │");
        console.log("│                 /║\\                  │");
        console.log("│                 \\V/                  │");
        console.log("│                  \\                   │");
        console.log("│                 ▁│▔╹                 │");
        console.log("│======================================│");
        console.log("│  -   . - .   .  .   - . -     .      │");
        console.log("│  -  .    .  -   .   .  .   -        .│");
        console.log("└──────────────────────────────────────┘");
        console.log("Press [ENTER] to open Pip-Boy");
        console.log("Current Health: "+health);
        console.log("Food Amt: "+food);
        console.log("Distance to next POI: ");
        travelFrame++
    } else if (travelFrame == 2) {
        console.clear();
        console.log("┌──────────────────────────────────────┐");
        console.log("│                                      │");
        console.log("│                                      │");
        console.log("│                                      │");
        console.log("│                                      │");
        console.log("│                 ◜─◝                  │");
        console.log("│                 ◟_◞                  │");
        console.log("│                 /║\\                  │");
        console.log("│                 \\V/                  │");
        console.log("│                  ╳                   │");
        console.log("│                _/_\\                  │");
        console.log("│======================================│");
        console.log("│  -   . - .   .  .   - . -     .      │");
        console.log("│  -  .    .  -   .   .  .   -        .│");
        console.log("└──────────────────────────────────────┘");
        console.log("Press [ENTER] to open Pip-Boy");
        console.log("Current Health: "+health);
        console.log("Food Amt: "+food);
        console.log("Distance to next POI: ");
        travelFrame++
    } else if (travelFrame == 3) {
        console.clear();
        console.log("┌──────────────────────────────────────┐");
        console.log("│                                      │");
        console.log("│                                      │");
        console.log("│                                      │");
        console.log("│                                      │");
        console.log("│                 ◜─◝                  │");
        console.log("│                 ◟_◞                  │");
        console.log("│                 /║\\                  │");
        console.log("│                 \\V/                  │");
        console.log("│                  \\                   │");
        console.log("│                 ▁│▔╹                 │");
        console.log("│======================================│");
        console.log("│  -   . - .   .  .   - . -     .      │");
        console.log("│  -  .    .  -   .   .  .   -        .│");
        console.log("└──────────────────────────────────────┘");
        console.log("Press [ENTER] to open Pip-Boy");
        console.log("Current Health: "+health);
        console.log("Food Amt: "+food);
        console.log("Distance to next POI: ");
        travelFrame=0;
    }
}

export async function walkPathA() {
    enableRawMode();
    if (paused) {
        disableRawMode();
        pauseScreen();
        enableRawMode();
    }

    if (location > 255) {
        disableRawMode();
        return;
    }
    calcLocation();
    radPointsCalc();
    healthCapCalc();
    checkLose();
    travelScreen();
    checkPOI();
    eatFood();
    //await sleep(0.5);
    walkPathA();
}

process.stdin.resume();
process.stdin.on('data', (key) => {
    if (key.toString() === ' ') {
        paused = true; // Pause the game
    } else if (key.toString() === '\u0003') { // Handle Ctrl+C (ASCII code for Ctrl+C)
        console.log("\nExiting game...");
        process.exit(); // Exit the program
    }
});

export function enableRawMode() {
    if (!isRawModeEnabled) {
        process.stdin.setRawMode(true);
        process.stdin.resume();
        isRawModeEnabled = true;
    }
}

export function disableRawMode() {
    if (isRawModeEnabled) {
        process.stdin.setRawMode(false);
        process.stdin.pause();
        isRawModeEnabled = false;
    }
}

var paused = false;
export function pauseScreen() {
    console.clear();
    console.log ("What would you like to do?");
    console.log ("--------------------------");
    console.log ("1) Resume");
    console.log ("2) View Inventory");
    console.log ("3) View Distances");
    console.log ("4) View Stats");
    console.log ("5) Scavenge");
    let pauseInput = userInput("Enter: ");
    switch(pauseInput) {
        case "1":
            paused = false;
            break;
        case "2":
            inventoryMenuM();
            break;
        case "3":
            console.clear();
            console.log("Current Location: "+location);
            if (path == 0) {
                console.log("Current Path: Main");
            }
            if (path == 1) {
                console.log("Current Path: A (Southern)");
            }
            if (path == 2) {
                console.log("Current Path: B (Northern)");
            }
            console.log("------------------------");
            for (let i = 0; i < 7; i++) {
                if (pois[i].visited == true) {
                    console.log(pois[i].name+" - "+visited[i]);
                }
                if (pois[i].visited == false) {
                    console.log("??? "+pois[i].location-location+" location points away");
                }
            }
            if (path == 1) {
                for (let i = poiCounter; i < 14; i++) {
                    if (pois[i].visited == true) {
                        console.log(pois[i].name+" - "+visited[i]);
                    }
                    if (pois[i].visited == false) {
                        console.log("??? "+pois[i].location-location+" location points away");
                    }
                }
            }
            if (path == 2) {
                for (let i = poiCounter; i < pois.length; i++) {
                    if (pois[i].visited == true) {
                        console.log(pois[i].name+" - "+visited[i]);
                    }
                    if (pois[i].visited == false) {
                        console.log("??? "+pois[i].location-location+" location points away");
                    }
                }
            }
            userInput("\n[Press Enter to return]");
            break;
        case "4":
            console.clear();
            console.log("Player Stats");
            console.log("-------------");
            console.log("Name: "+name);
            console.log("Level: "+level);
            console.log("Current Health: "+health+"/"+healthCap);
            console.log("Radiation Points: "+radPoints);
            console.log("Radiation Severity: "+radSeverity);
            console.log("Walk Rate: "+walkRate);
            console.log("Food Amt: "+food);
            console.log("Food Rate: "+foodRate);
            console.log("Current Location: "+location);
            console.log("Current Path: "+path);
            userInput("\n[Press Enter to return]");
            break;
        case "5":
            scavenge();
            break;
    }
}