#include "voice_protocol.h"

#include <assert.h>
#include <stdio.h>
#include <string.h>

static void test_endpoint_validation(void) {
    PvEndpoint endpoint;
    assert(pv_parse_endpoint("ws://192.168.68.102:8644/api/esp32/voice/ws", &endpoint));
    assert(strcmp(endpoint.host, "192.168.68.102") == 0);
    assert(endpoint.port == 8644);
    assert(strcmp(endpoint.path, "/api/esp32/voice/ws") == 0);
    assert(!pv_parse_endpoint("ws://127.0.0.1:8642/api", &endpoint));
    assert(!pv_parse_endpoint("ws://localhost:8642/api", &endpoint));
    assert(!pv_parse_endpoint("wss://192.168.68.102/api", &endpoint));
    assert(!pv_parse_endpoint("ws://192.168.68.102:0/api", &endpoint));
}

static void test_start_and_pcm_boundaries(void) {
    char json[256];
    assert(pv_make_start_json(json, sizeof(json), "session-01", "tactility-14c19d1a790"));
    assert(strstr(json, "\"v\":1") != NULL);
    assert(strstr(json, "\"pcm_s16le\"") != NULL);
    assert(!pv_make_start_json(json, sizeof(json), "bad session", "device"));
    assert(pv_valid_pcm_chunk(2));
    assert(pv_valid_pcm_chunk(PV_PCM_CHUNK_MAX));
    assert(!pv_valid_pcm_chunk(0));
    assert(!pv_valid_pcm_chunk(3));
    assert(!pv_valid_pcm_chunk(PV_PCM_CHUNK_MAX + 2));
    assert(pv_valid_downstream_audio("pcm_s16le", 24000, 1, 2, 48000));
    assert(!pv_valid_downstream_audio("wav", 24000, 1, 2, 48000));
    assert(!pv_valid_downstream_audio("pcm_s16le", 24000, 2, 2, 48000));
    assert(!pv_valid_downstream_audio("pcm_s16le", 24000, 1, 2, PV_DOWNSTREAM_MAX + 2));
    assert(pv_binary_matches_metadata(48000, 48000));
    assert(!pv_binary_matches_metadata(48000, 47998));
}

static void test_retry_and_state(void) {
    const uint32_t expected[] = {1, 2, 4, 8, 16, 30, 30};
    for (unsigned i = 0; i < sizeof(expected) / sizeof(expected[0]); ++i) assert(pv_retry_delay_seconds(i) == expected[i]);
    assert(pv_disconnect_state(true) == PV_RECONNECTING);
    assert(pv_disconnect_state(false) == PV_FAILED);
    assert(strcmp(pv_state_label(PV_STREAMING), "STREAMING") == 0);
}

int main(void) {
    test_endpoint_validation();
    test_start_and_pcm_boundaries();
    test_retry_and_state();
    puts("voice_protocol tests passed");
    return 0;
}