// Part of JoeyLib, Copyright (c) 2026 Scott Duensing, under the MIT License.
// See LICENSE.md for license information.
// SPDX-License-Identifier: MIT
//
// JoeyLib hello-world example: the smallest program that shows something. It
// starts the library, writes a greeting, the library's version, and the
// machine it runs on on the stage in the default palette (no jlPaletteSet:
// every surface starts with the 16 EGA colors), presents it, says the same on
// the console where there is one, and waits for a key.

#include <stdio.h>
#include <joey/joey.h>

#include "exampleFont.h"

// No sprites, so the smallest compiled-sprite cache.
#define CODEGEN_BYTES ((uint32_t)8 * 1024)

// The lines, each a label and its value, and where they go: the greeting
// in yellow, the version and the platform in white below it, the prompt in
// light gray.
#define TEXT_X        64
#define GREETING_Y    72
#define VERSION_Y     96
#define PLATFORM_Y    108
#define PROMPT_Y      132
#define VALUE_X       (TEXT_X + 10 * EXAMPLE_FONT_ADVANCE)
#define COLOR_YELLOW  14
#define COLOR_WHITE   15
#define COLOR_GRAY    7


int main(void) {
    jlConfigT   config;
    jlSurfaceT *stage;

    config.codegenBytes = CODEGEN_BYTES;
    config.noAudio      = true;
    if (!jlInit(&config)) {
        fprintf(stderr, "jlInit failed: %s\n", jlLastError());
        return 1;
    }

    stage = jlStageGet();
    exampleFontDraw(stage, TEXT_X,  GREETING_Y, "Hello from JoeyLib!", COLOR_YELLOW);
    exampleFontDraw(stage, TEXT_X,  VERSION_Y,  "Version:",            COLOR_WHITE);
    exampleFontDraw(stage, VALUE_X, VERSION_Y,  jlVersionString(),     COLOR_WHITE);
    exampleFontDraw(stage, TEXT_X,  PLATFORM_Y, "Platform:",           COLOR_WHITE);
    exampleFontDraw(stage, VALUE_X, PLATFORM_Y, jlPlatformName(),      COLOR_WHITE);
    exampleFontDraw(stage, TEXT_X,  PROMPT_Y,   "Press any key.",      COLOR_GRAY);
    jlStagePresent();
    // The same on the console, where there is one (scripts/verify-ste-machine.sh
    // reads it through Hatari).
    printf("JoeyLib %s\nPlatform: %s\n", jlVersionString(), jlPlatformName());
    jlWaitForAnyKey();

    jlShutdown();
    return 0;
}