#include "kubo_window.h"

void kubo_window_init(struct kubo_context *context) {
    InitWindow(KUBO_WINDOW_WIDTH, KUBO_WINDOW_HEIGHT, "Kubo");
}

void kubo_window_cleanup(struct kubo_context *context) { CloseWindow(); }

bool kubo_window_should_close(struct kubo_context *context) {
    return context->exit_pending || WindowShouldClose();
}

void kubo_window_tick(struct kubo_context *context) {
    kubo_window_render(context);
    kubo_window_input(context);
}

Vector2 start;
Vector2 end;
int state;

void kubo_window_render(struct kubo_context *context) {
    BeginDrawing();
    ClearBackground(WHITE);

    if (state == 1) {
        Vector2 mouse_pos = GetMousePosition();
        Vector2 points[] = {start, mouse_pos};
        DrawSplineLinear(points, 2, 10.f, BLACK);
    } else if (state == 2) {
        Vector2 mouse_pos = GetMousePosition();
        Vector2 points[] = {start, end};
        DrawSplineLinear(points, 2, 10.f, BLACK);
    }

    for (int i = 0; i < context->num_walls; i++) {
        DrawSplineLinear(context->walls[i]->vertices,
                         context->walls[i]->num_vertices, 10.f, BLACK);
        if (context->walls[i]->state == KUBO_WALL_STARTED) {
            Vector2 mouse_pos = GetMousePosition();
            Vector2 points[] = {
                context->walls[i]
                    ->vertices[context->walls[i]->num_vertices - 1],
                mouse_pos};
            DrawSplineLinear(points, 2, 10.f, BLACK);
        }
    }

    EndDrawing();
}

void kubo_window_input(struct kubo_context *context) {
    if (IsKeyPressed(KEY_Q)) {
        context->exit_pending = true;
    }

    struct kubo_wall *current_wall = kubo_context_get_pending_wall(context);

    if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) {
        Vector2 new_pos = GetMousePosition();
        kubo_wall_append(current_wall, new_pos);
        current_wall->state = KUBO_WALL_STARTED;
    } else if (IsMouseButtonPressed(MOUSE_BUTTON_RIGHT)) {
        current_wall->state = KUBO_WALL_DONE;
    }
}