#include "pEp_internal.h"

#include <memory.h>

#include <assert.h>

PEP_STATUS init_transport_system(PEP_SESSION session)

{

    assert(session);

    pEpSession *_session = (pEpSession *) session;

    PEP_transport_t* transports = _session->transports;

    assert(PEP_trans__count == 1);

    memset(transports, 0, sizeof(PEP_transport_t) * PEP_trans__count);

    transports[0].id = PEP_trans_auto;

    return PEP_STATUS_OK;

}

void release_transport_system(PEP_SESSION session)

{

    assert(session);

    // nothing yet

}

identity_list *new_identity_list(pEp_identity *ident)

{

    identity_list *id_list = calloc(1, sizeof(identity_list));

    assert(id_list);

    if (id_list == NULL)

        return NULL;

    id_list->ident = ident;

    return id_list;

}

identity_list *identity_list_dup(const identity_list *src)

{

    assert(src);

    identity_list *id_list = new_identity_list(src->ident);

    assert(id_list);

    if (id_list == NULL)

        return NULL;

    if (src->next) {

        id_list->next = identity_list_dup(src->next);

        if (id_list->next == NULL) {

            free_identity_list(id_list);

            return NULL;

        }

    }

    return id_list;

}

void free_identity_list(identity_list *id_list)

{

    if (id_list) {

        free_identity_list(id_list->next);

        free_identity(id_list->ident);

        free(id_list);

    }

}

identity_list *identity_list_add(identity_list *id_list, pEp_identity *ident)

{

    assert(ident);

    if (id_list == NULL)

        return new_identity_list(ident);

    if (id_list->ident == NULL) {

        id_list->ident = ident;

        return id_list;

    }

    else if (id_list->next == NULL) {

        id_list->next = new_identity_list(ident);

        return id_list->next;

    }

    else {

        return identity_list_add(id_list->next, ident);

    }

}

bloblist_t *new_bloblist(char *blob, size_t size, const char *mime_type,

        const char *file_name)

{

    bloblist_t * bloblist = calloc(1, sizeof(bloblist_t));

    if (bloblist == NULL)

        return NULL;

    bloblist->data_ref = blob;

    bloblist->size = size;

    if (mime_type) {

        bloblist->mime_type = strdup(mime_type);

        if (bloblist->mime_type == NULL) {

            free(bloblist);

            return NULL;

        }

    }

    if (file_name) {

        bloblist->file_name = strdup(file_name);

        if (bloblist->file_name == NULL) {

            free(bloblist->mime_type);

            free(bloblist);

            return NULL;

        }

    }

    return bloblist;

}

bloblist_t *bloblist_dup(const bloblist_t *src)

{

    assert(src);

    if (src) {

        bloblist_t * dst = new_bloblist(src->data_ref, src->size,

                src->mime_type, src->file_name);

        if (dst == NULL)

            return NULL;

        dst->next = bloblist_dup(src->next);

        return dst;

    }

    else

        return NULL;

}

void free_bloblist(bloblist_t *bloblist)

{

    if (bloblist) {

        if (bloblist->next)

            free_bloblist(bloblist->next);

        if (bloblist->mime_type)

            free(bloblist->mime_type);

        if (bloblist->file_name)

            free(bloblist->file_name);

        free(bloblist);

    }

}

bloblist_t *bloblist_add(bloblist_t *bloblist, char *blob, size_t size,

        const char *mime_type, const char *file_name)

{

    assert(blob);

    if (bloblist == NULL)

        return new_bloblist(blob, size, mime_type, file_name);

    if (bloblist->data_ref == NULL) {

        bloblist->data_ref = blob;

        bloblist->size = size;

        if (mime_type) {

            bloblist->mime_type = strdup(mime_type);

            if (bloblist->mime_type == NULL) {

                free(bloblist);

                return NULL;

            }

        }

        if (file_name) {

            bloblist->file_name = strdup(file_name);

            if (bloblist->file_name == NULL) {

                free(bloblist->mime_type);

                free(bloblist);

                return NULL;

            }

        }

        return bloblist;

    }

    if (bloblist->next == NULL) {

        bloblist->next = new_bloblist(blob, size, mime_type, file_name);

        return bloblist->next;

    }

    return bloblist_add(bloblist->next, blob, size, mime_type, file_name);

}

message *new_message(

        PEP_msg_direction dir,

        pEp_identity *from,

        identity_list *to,

        const char *shortmsg

    )

{

    message *msg = calloc(1, sizeof(message));

    assert(msg);

    if (msg == NULL)

        return NULL;

    if (shortmsg) {

        msg->shortmsg = strdup(shortmsg);

        assert(msg->shortmsg);

        if (msg->shortmsg == NULL) {

            free(msg);

            return NULL;

        }

    }

    msg->dir = dir;

    msg->from = from;

    msg->to = to;

    return msg;

}

void free_message(message *msg)

{

    free(msg->id);

    free(msg->shortmsg);

    free(msg->longmsg);

    free(msg->longmsg_formatted);

    free_bloblist(msg->attachments);

    free_identity_list(msg->to);

    free_identity_list(msg->cc);

    free_identity_list(msg->bcc);

    free(msg->refering_id);

    free_message_ref_list(msg->refered_by);

    free(msg);

}

message_ref_list *new_message_ref_list(message *msg)

{

    message_ref_list *msg_list = calloc(1, sizeof(message_ref_list));

    assert(msg_list);

    if (msg_list == NULL)

        return NULL;

    msg_list->msg_ref = msg;

    return msg_list;

}

void free_message_ref_list(message_ref_list *msg_list)

{

    if (msg_list) {

        free_message_ref_list(msg_list->next);

        free(msg_list);

    }

}

message_ref_list *message_ref_list_add(message_ref_list *msg_list, message *msg)

{

    assert(msg);

    if (msg_list == NULL)

        return new_message_ref_list(msg);

    if (msg_list->msg_ref == NULL) {

        msg_list->msg_ref = msg;

        return msg_list;

    }

    else if (msg_list->next == NULL) {

        msg_list->next = new_message_ref_list(msg);

        assert(msg_list->next);

        return msg_list->next;

    }

    else {

        return message_ref_list_add(msg_list->next, msg);

    }

}