/**
 * @file hosting.c
 * @brief Synor Hosting SDK implementation
 */

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "synor/hosting.h"

/* Forward declarations from common.c */
typedef struct synor_http_client synor_http_client_t;
synor_http_client_t* synor_http_client_create(
    const char* api_key, const char* endpoint,
    uint32_t timeout_ms, uint32_t retries, bool debug);
void synor_http_client_destroy(synor_http_client_t* client);
synor_error_t synor_http_get(synor_http_client_t* client, const char* path,
    char** response, size_t* response_size);
synor_error_t synor_http_post(synor_http_client_t* client, const char* path,
    const char* body, char** response, size_t* response_size);
synor_error_t synor_http_put(synor_http_client_t* client, const char* path,
    const char* body, char** response, size_t* response_size);
synor_error_t synor_http_delete(synor_http_client_t* client, const char* path,
    char** response, size_t* response_size);
char* synor_strdup(const char* s);
char* synor_url_encode(const char* s);

/* Internal hosting structure */
struct synor_hosting {
    synor_http_client_t* http;
    bool closed;
};

synor_hosting_t* synor_hosting_create(const synor_hosting_config_t* config) {
    if (!config || !config->api_key) {
        return NULL;
    }

    synor_hosting_t* hosting = calloc(1, sizeof(synor_hosting_t));
    if (!hosting) return NULL;

    const char* endpoint = config->endpoint ?
        config->endpoint : "https://hosting.synor.io/v1";
    uint32_t timeout = config->timeout_ms > 0 ? config->timeout_ms : 60000;
    uint32_t retries = config->retries > 0 ? config->retries : 3;

    hosting->http = synor_http_client_create(
        config->api_key, endpoint, timeout, retries, config->debug);

    if (!hosting->http) {
        free(hosting);
        return NULL;
    }

    hosting->closed = false;
    return hosting;
}

void synor_hosting_destroy(synor_hosting_t* hosting) {
    if (!hosting) return;
    hosting->closed = true;
    synor_http_client_destroy(hosting->http);
    free(hosting);
}

bool synor_hosting_is_closed(synor_hosting_t* hosting) {
    return hosting ? hosting->closed : true;
}

bool synor_hosting_health_check(synor_hosting_t* hosting) {
    if (!hosting || hosting->closed) return false;

    char* response = NULL;
    size_t response_size = 0;

    if (synor_http_get(hosting->http, "/health", &response, &response_size) != 0) {
        return false;
    }

    bool healthy = response && strstr(response, "\"healthy\"") != NULL;
    free(response);
    return healthy;
}

/* ==================== Domain Operations ==================== */

synor_hosting_error_t synor_hosting_check_availability(synor_hosting_t* hosting,
    const char* name, synor_domain_availability_t* result) {
    (void)hosting; (void)name; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN; /* TODO: Implement */
}

synor_hosting_error_t synor_hosting_register_domain(synor_hosting_t* hosting,
    const char* name, const synor_register_domain_options_t* options,
    synor_domain_t* result) {
    (void)hosting; (void)name; (void)options; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN; /* TODO: Implement */
}

synor_hosting_error_t synor_hosting_get_domain(synor_hosting_t* hosting,
    const char* name, synor_domain_t* result) {
    (void)hosting; (void)name; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN; /* TODO: Implement */
}

synor_hosting_error_t synor_hosting_list_domains(synor_hosting_t* hosting,
    synor_domain_list_t* result) {
    (void)hosting; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN; /* TODO: Implement */
}

synor_hosting_error_t synor_hosting_resolve_domain(synor_hosting_t* hosting,
    const char* name, synor_domain_record_t* result) {
    (void)hosting; (void)name; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN; /* TODO: Implement */
}

synor_hosting_error_t synor_hosting_renew_domain(synor_hosting_t* hosting,
    const char* name, int32_t years, synor_domain_t* result) {
    (void)hosting; (void)name; (void)years; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN; /* TODO: Implement */
}

void synor_domain_free(synor_domain_t* domain) {
    if (!domain) return;
    free(domain->name);
    free(domain->owner);
    if (domain->records) {
        synor_domain_record_free(domain->records);
        free(domain->records);
    }
}

void synor_domain_list_free(synor_domain_list_t* list) {
    if (!list) return;
    for (size_t i = 0; i < list->count; i++) {
        synor_domain_free(&list->domains[i]);
    }
    free(list->domains);
    list->domains = NULL;
    list->count = 0;
}

void synor_domain_record_free(synor_domain_record_t* record) {
    if (!record) return;
    free(record->cid);
    for (size_t i = 0; i < record->ipv4_count; i++) free(record->ipv4[i]);
    free(record->ipv4);
    for (size_t i = 0; i < record->ipv6_count; i++) free(record->ipv6[i]);
    free(record->ipv6);
    free(record->cname);
    for (size_t i = 0; i < record->txt_count; i++) free(record->txt[i]);
    free(record->txt);
}

void synor_domain_availability_free(synor_domain_availability_t* avail) {
    if (!avail) return;
    free(avail->name);
}

/* ==================== DNS Operations ==================== */

synor_hosting_error_t synor_hosting_get_dns_zone(synor_hosting_t* hosting,
    const char* domain, synor_dns_zone_t* result) {
    (void)hosting; (void)domain; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

synor_hosting_error_t synor_hosting_set_dns_records(synor_hosting_t* hosting,
    const char* domain, const synor_dns_record_t* records, size_t count,
    synor_dns_zone_t* result) {
    (void)hosting; (void)domain; (void)records; (void)count; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

synor_hosting_error_t synor_hosting_add_dns_record(synor_hosting_t* hosting,
    const char* domain, const synor_dns_record_t* record, synor_dns_zone_t* result) {
    (void)hosting; (void)domain; (void)record; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

synor_hosting_error_t synor_hosting_delete_dns_record(synor_hosting_t* hosting,
    const char* domain, const char* record_type, const char* name,
    synor_dns_zone_t* result) {
    (void)hosting; (void)domain; (void)record_type; (void)name; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

void synor_dns_zone_free(synor_dns_zone_t* zone) {
    if (!zone) return;
    free(zone->domain);
    for (size_t i = 0; i < zone->record_count; i++) {
        free(zone->records[i].name);
        free(zone->records[i].value);
    }
    free(zone->records);
}

/* ==================== Deployment Operations ==================== */

synor_hosting_error_t synor_hosting_deploy(synor_hosting_t* hosting,
    const char* cid, const synor_deploy_options_t* options,
    synor_deployment_t* result) {
    (void)hosting; (void)cid; (void)options; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

synor_hosting_error_t synor_hosting_get_deployment(synor_hosting_t* hosting,
    const char* id, synor_deployment_t* result) {
    (void)hosting; (void)id; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

synor_hosting_error_t synor_hosting_list_deployments(synor_hosting_t* hosting,
    const char* domain, synor_deployment_list_t* result) {
    (void)hosting; (void)domain; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

synor_hosting_error_t synor_hosting_rollback(synor_hosting_t* hosting,
    const char* domain, const char* deployment_id, synor_deployment_t* result) {
    (void)hosting; (void)domain; (void)deployment_id; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

synor_hosting_error_t synor_hosting_delete_deployment(synor_hosting_t* hosting,
    const char* id) {
    (void)hosting; (void)id;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

void synor_deployment_free(synor_deployment_t* deployment) {
    if (!deployment) return;
    free(deployment->id);
    free(deployment->domain);
    free(deployment->cid);
    free(deployment->url);
    free(deployment->build_logs);
    free(deployment->error_message);
}

void synor_deployment_list_free(synor_deployment_list_t* list) {
    if (!list) return;
    for (size_t i = 0; i < list->count; i++) {
        synor_deployment_free(&list->deployments[i]);
    }
    free(list->deployments);
    list->deployments = NULL;
    list->count = 0;
}

/* ==================== SSL Operations ==================== */

synor_hosting_error_t synor_hosting_provision_ssl(synor_hosting_t* hosting,
    const char* domain, const synor_provision_ssl_options_t* options,
    synor_certificate_t* result) {
    (void)hosting; (void)domain; (void)options; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

synor_hosting_error_t synor_hosting_get_certificate(synor_hosting_t* hosting,
    const char* domain, synor_certificate_t* result) {
    (void)hosting; (void)domain; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

synor_hosting_error_t synor_hosting_renew_certificate(synor_hosting_t* hosting,
    const char* domain, synor_certificate_t* result) {
    (void)hosting; (void)domain; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

synor_hosting_error_t synor_hosting_delete_certificate(synor_hosting_t* hosting,
    const char* domain) {
    (void)hosting; (void)domain;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

void synor_certificate_free(synor_certificate_t* cert) {
    if (!cert) return;
    free(cert->domain);
    free(cert->issuer);
    free(cert->fingerprint);
}

/* ==================== Analytics Operations ==================== */

synor_hosting_error_t synor_hosting_get_analytics(synor_hosting_t* hosting,
    const char* domain, const synor_analytics_options_t* options,
    synor_analytics_data_t* result) {
    (void)hosting; (void)domain; (void)options; (void)result;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

synor_hosting_error_t synor_hosting_purge_cache(synor_hosting_t* hosting,
    const char* domain, const char** paths, size_t path_count, int64_t* purged) {
    (void)hosting; (void)domain; (void)paths; (void)path_count; (void)purged;
    return SYNOR_HOSTING_ERROR_UNKNOWN;
}

void synor_analytics_data_free(synor_analytics_data_t* data) {
    if (!data) return;
    free(data->domain);
    free(data->period);
    for (size_t i = 0; i < data->top_pages_count; i++) {
        free(data->top_pages[i].path);
    }
    free(data->top_pages);
}
