#include "kubo_window.h"

void kubo_window_init(struct kubo_context *context) {
    SetConfigFlags(FLAG_WINDOW_RESIZABLE);
    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->walls.count; i++) {
        struct kubo_wall *wall = kubo_wall_arr_get(&context->walls, i);
        assert(wall != NULL);

        DrawSplineLinear(wall->vertices.data, wall->vertices.count, 10.f,
                         BLACK);

        if (wall->state == KUBO_WALL_DRAWING) {
            Vector2 mouse = GetMousePosition();
            Vector2 points[] = {wall->vertices.data[wall->vertices.count - 1],
                                mouse};
            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_add_vertex(current_wall, new_pos);
        current_wall->state = KUBO_WALL_DRAWING;
    } else if (IsMouseButtonPressed(MOUSE_BUTTON_RIGHT)) {
        current_wall->state = KUBO_WALL_DONE;
    }
}