#include "raylib.h"
#include <stdio.h>
#include <stdlib.h>
#include "sprite.h"
#include "Input/inputHandler.h"
#include "raymath.h"
#include "List/list.h"
#include "IsometricMap/isometricRenderer.h"
#include "IsometricMap/isometricMap.h"

int main(){

    InitWindow(800, 450, "basic window");

    Texture2D texture;
    texture = LoadTexture("assets/amulet.png");

    
    List *sprites = ListInit();
    //ListPrintForward(sprites);

    Sprite cursorSprite = {&texture, 450, 225};

    InputHandler inputHandler;

    Camera2D camera = { 0 };
    camera.target = (Vector2){0, 0};
    camera.rotation = 0.0f;
    camera.zoom = 1.0f;

    IsometricMap *map = IsometricMapInit(20, 10); 

    SetTargetFPS(60);
    while(!WindowShouldClose()){

        BeginDrawing();

        ClearBackground(RAYWHITE);

        BeginMode2D(camera);

        IsometricRendererRenderIsometricMap(map);
        
        ListDrawAllSprites(sprites);

        EndMode2D();

        // Moving cursor Sprite to Mouse Pos and drawing it
        cursorSprite.x = inputHandler.cursorPos.x - texture.width / 2;
        cursorSprite.y = inputHandler.cursorPos.y - texture.height / 2;
        DrawSprite(&cursorSprite);

        // User Input Handling
        mouseInput(&inputHandler, sprites, &texture, &camera);
        keyboardInput(&inputHandler, &camera);

        // Sprites move towards their destination
        float movementSpeed = 10.0f; 
        Node *current = sprites->head;

        while (current != 0){
            if(current->data.hasDestination == 1){
                Vector2 movement = {
                    current->data.destX - current->data.x,
                    current->data.destY - current->data.y
                };

                if(Vector2Length(movement) < movementSpeed){
                    current->data.hasDestination = 0;
                    current->data.x = current->data.destX;
                    current->data.y = current->data.destY;
                }
                else{
                    movement = Vector2Normalize(movement);
                    movement = Vector2Scale(movement, movementSpeed);
                    current->data.x += movement.x;
                    current->data.y += movement.y;
                }
            }

            current = current->next;
        }

        EndDrawing();
    }

    CloseWindow();

    return 0;

}