#include "../include/player.h"
#include "../include/animated_texture.h"
#include "../include/config.h"
#include "../include/player_state/default.h"
#include "../include/raylib.h"
#include "../include/raymath.h"
#include <stdio.h>
#include <stdlib.h>

#define PLAYER_FRICTION 0.69f

Player *player_create(float x, float y) {
    Player *player = (Player *)malloc(sizeof(Player));

    player->textures[PLAYER_TEXTURE_FALLING] = animated_texture_create("assets/textures/player/falling.png", 4, 0.3f);

    player->textures[PLAYER_TEXTURE_FORWARD] = animated_texture_create(
        "assets/textures/player/stand-forward.png", 1, 0.0f
    );

    player->textures[PLAYER_TEXTURE_WALK_FORWARD] = animated_texture_create(
        "assets/textures/player/walk-forward.png", 2, 0.3f
    );

    player->textures[PLAYER_TEXTURE_WALK_BACKWARD] = animated_texture_create(
        "assets/textures/player/walk-backward.png", 2, 0.3f
    );

    player->textures[PLAYER_TEXTURE_WALK_LEFT] = animated_texture_create("assets/textures/player/walk-left.png", 2, 0.3f);

    player->textures[PLAYER_TEXTURE_WALK_RIGHT] = animated_texture_create("assets/textures/player/walk-right.png", 2, 0.3f);

    for (int i = 0; i < _PLAYER_TEXTURE_LENGTH; i++) {
        if (player->textures[i].texture.id == 0) {
            perror("Failed to load player sprites!\n");
            free(player);
            CloseWindow();

            return NULL;
        }
    }

    player->camera = (Camera2D){ 0 };
    player->camera.zoom = 4.0f;
    player->camera.offset = (Vector2){ WINDOW_WIDTH / 2.0f, WINDOW_HEIGHT / 2.0f };

    player_state_transition_to_default(&player->state, player);

    player->position.x = x;
    player->position.y = y;

    player->velocity = Vector2Zero();
    player->control = Vector2Zero();
    player->speed = 12.0f;
    player->friction = 0.69f;

    return player;
}

int player_destroy(Player *player) {
    for (int i = 0; i < _PLAYER_TEXTURE_LENGTH; i++) {
        animated_texture_delete(player->textures[i]);
    }

    free(player);

    return EXIT_SUCCESS;
}

Vector2 player_center(Player *player) {
    return (Vector2){ player->position.x + 8, player->position.y + 8 };
}

void player_draw(Player *player) {
    DrawRectangleV(player->position, (Vector2){ 16, 16 }, player->color);

    DrawText(player->state.name, 0, 0, 20, BLACK);

    animated_texture_draw(&player->texture, player->position, WHITE);

    Vector2 center = player_center(player);
    Vector2 velocity_from_position = {
        center.x + player->velocity.x, center.y + player->velocity.y
    };
    DrawLineEx(center, velocity_from_position, 1.0f, GREEN);
}

void player_update(Player *player) {
    if (player->state.update) {
        player->state.update(&player->state, player);
    }

    player->camera.target = player_center(player);
}