/**
 * write_worm.c
 * مثال كتابة WORM - الكتابة غير القابلة للتغيير
 * WORM Write Example - Immutable Write Intent
 *
 * Demonstrates WORM-sealed durable write with ASOS.
 *
 * Author: Ahmad Ali Parr
 * License: Sovereign Source
 */

#include "../libasos.h"
#include <stdio.h>
#include <string.h>

int main(void)
{
    printf("═══════════════════════════════════════════════════════\n");
    printf("  ASOS WORM Write Example\n");
    printf("  مثال الكتابة غير القابلة للتغيير\n");
    printf("═══════════════════════════════════════════════════════\n\n");

    /* Initialize */
    if (asos_init() < 0) {
        fprintf(stderr, "Failed to initialize ASOS\n");
        return 1;
    }

    /* Create write intent */
    asos_intent_t *intent = asos_intent_new(ASOS_INTENT_IO_WRITE,
                                            ASOS_PRIORITY_HIGH);
    if (!intent) {
        fprintf(stderr, "Failed to create intent\n");
        asos_cleanup();
        return 1;
    }

    /* Set goal: durable write with WORM seal and replication */
    if (asos_intent_set_goal(intent,
            "persist:durability=WORM,replication=3,fsync=true") < 0) {
        fprintf(stderr, "Failed to set goal\n");
        asos_intent_free(intent);
        asos_cleanup();
        return 1;
    }

    /* Set payload: sovereign financial data */
    const char *data =
        "TRANSACTION_ID=TX_2026_08_08_001\n"
        "AMOUNT=125000.00\n"
        "CURRENCY=USD\n"
        "FROM=ACCOUNT_A\n"
        "TO=ACCOUNT_B\n"
        "TIMESTAMP=1723142400\n"
        "SOVEREIGN_SEAL=WORM\n";

    if (asos_intent_set_payload(intent, data, strlen(data)) < 0) {
        fprintf(stderr, "Failed to set payload\n");
        asos_intent_free(intent);
        asos_cleanup();
        return 1;
    }

    printf("Intent Details:\n");
    printf("  Type: IO_WRITE\n");
    printf("  Priority: HIGH\n");
    printf("  Goal: persist:durability=WORM,replication=3,fsync=true\n");
    printf("  Payload size: %zu bytes\n", strlen(data));
    printf("\n");

    printf("Payload:\n");
    printf("%s\n", data);

    printf("Submitting to KAR for WORM sealing...\n\n");

    /* Submit */
    asos_result_t *result = asos_submit_intent(intent);
    if (!result) {
        fprintf(stderr, "Failed to submit intent\n");
        asos_intent_free(intent);
        asos_cleanup();
        return 1;
    }

    /* Check result */
    int status = asos_result_status(result);
    size_t bytes = asos_result_bytes_transferred(result);
    uint64_t exec_time = asos_result_execution_time_ns(result);

    printf("═══════════════════════════════════════════════════════\n");
    printf("  Write Result\n");
    printf("═══════════════════════════════════════════════════════\n");
    printf("  Status: %d (%s)\n", status,
           status == 0 ? "SUCCESS" : asos_strerror(status));
    printf("  Bytes written: %zu\n", bytes);
    printf("  Execution time: %.3f ms\n", exec_time / 1000000.0);

    /* Get WORM seal (immutable proof) */
    uint8_t seal[32];
    if (asos_result_worm_seal(result, seal) == 0) {
        printf("  WORM Seal (Blake3): ");
        for (int i = 0; i < 32; i++)
            printf("%02x", seal[i]);
        printf("\n");
    }

    printf("═══════════════════════════════════════════════════════\n");
    printf("  Data sealed to immutable chain.\n");
    printf("  البيانات مختومة في سلسلة غير قابلة للتغيير.\n");
    printf("═══════════════════════════════════════════════════════\n");

    /* Cleanup */
    asos_result_free(result);
    asos_intent_free(intent);
    asos_cleanup();

    return 0;
}