#define __PYNIC_LOG_IMPLIMENT__
#include <ge_core.h>

void ge_engine_init(ge_core_t *core) {
    // TOOD init all data
    ge_u8_t* ptr = (ge_u8_t*)core;
    for (int i = 0; i < (int)sizeof(ge_core_t); i++) {
        *(ptr + i) = 0;
    }
    core->configs.fps = 60;
}

static inline void ge_init(ge_core_t* core) {
    /**
     * check render
     */
    ge_render_t* render_ctx = &core->render;
    if (render_ctx->content) {
        Assert(render_ctx->clear && render_ctx->draw
        && render_ctx->getsize);
        GE_SAFE_CALL(render_ctx->init, render_ctx);
        render_ctx->getsize(render_ctx, &render_ctx->screen_size);
    }
    
    Assert(core->timer.sleep_ms != NULL);
    Assert(core->configs.fps != 0);

    core->timer.fps_ctl.target_fps = 0;
    if (core->timer.get_ms != NULL) {
        ge_fps_init(&core->timer.fps_ctl, core->configs.fps,
            core->timer.get_ms, core->timer.sleep_ms);
    }
}

static inline void ge_render(ge_render_t* ctx) {
    // ctx->clear(ctx);
}

void ge_engine_run(ge_core_t *core) {
    GE_SAFE_CALL(core->callbacks.init, core);
    ge_init(core);

    core->state = GE_ENGINE_STATE_RUNNING;
    while (core->state == GE_ENGINE_STATE_RUNNING) {
        if (core->timer.fps_ctl.target_fps) ge_fps_begin_frame(&core->timer.fps_ctl);

        GE_SAFE_CALL(core->callbacks.run, core);
        if (core->render.content) ge_render(&core->render);

        if (core->timer.fps_ctl.target_fps) ge_fps_end_frame(&core->timer.fps_ctl);
        else core->timer.sleep_ms(1000 / core->configs.fps);
    }
    GE_SAFE_CALL(core->callbacks.exit, core);
}