#include "MCAbstractPart.h"

#include <string.h>
#include <stdlib.h>
#include <libetpan/libetpan.h>
#include "MCData.h"
#include "MCAbstractMessagePart.h"
#include "MCAbstractMultipart.h"
#include "MCArray.h"

using namespace mailcore;

AbstractPart::AbstractPart()
{
    init();
}

AbstractPart::AbstractPart(AbstractPart * other)
{
    init();
    setUniqueID(other->mUniqueID);
    setFilename(other->mFilename);
    setMimeType(other->mMimeType);
    setCharset(other->mCharset);
    setContentID(other->mContentID);
    setContentLocation(other->mContentLocation);
    setContentDescription(other->mContentDescription);
    setInlineAttachment(other->mInlineAttachment);
    setPartType(other->mPartType);
}

void AbstractPart::init()
{
    mUniqueID = NULL;
    mFilename = NULL;
    mMimeType = NULL;
    mCharset = NULL;
    mContentID = NULL;
    mContentLocation = NULL;
    mContentDescription = NULL;
    mInlineAttachment = false;
    mPartType = PartTypeSingle;
}

AbstractPart::~AbstractPart()
{
    MC_SAFE_RELEASE(mUniqueID);
    MC_SAFE_RELEASE(mFilename);
    MC_SAFE_RELEASE(mMimeType);
    MC_SAFE_RELEASE(mCharset);
    MC_SAFE_RELEASE(mContentID);
    MC_SAFE_RELEASE(mContentLocation);
    MC_SAFE_RELEASE(mContentDescription);
}

String * AbstractPart::description()
{
    String * result = String::string();
    result->appendUTF8Format("<%s:%p\n", className()->UTF8Characters(), this);
    if (mFilename != NULL) {
        result->appendUTF8Format("filename: %s\n", mFilename->UTF8Characters());
    }
    if (mMimeType != NULL) {
        result->appendUTF8Format("mime type: %s\n", mMimeType->UTF8Characters());
    }
    if (mCharset != NULL) {
        result->appendUTF8Format("charset: %s\n", mCharset->UTF8Characters());
    }
    if (mContentID != NULL) {
        result->appendUTF8Format("content-ID: %s\n", mContentID->UTF8Characters());
    }
    if (mContentLocation != NULL) {
        result->appendUTF8Format("content-location: %s\n", mContentLocation->UTF8Characters());
    }
    if (mContentDescription != NULL) {
        result->appendUTF8Format("content-description: %s\n", mContentDescription->UTF8Characters());
    }
    result->appendUTF8Format("inline: %i\n", mInlineAttachment);
    result->appendUTF8Format(">");
    
    return result;
}

Object * AbstractPart::copy()
{
    return new AbstractPart(this);
}

PartType AbstractPart::partType()
{
    return mPartType;
}

void AbstractPart::setPartType(PartType type)
{
    mPartType = type;
}

String * AbstractPart::uniqueID()
{
    return mUniqueID;
}

void AbstractPart::setUniqueID(String * uniqueID)
{
    MC_SAFE_REPLACE_COPY(String, mUniqueID, uniqueID);
}

String * AbstractPart::filename()
{
    return mFilename;
}

void AbstractPart::setFilename(String * filename)
{
    MC_SAFE_REPLACE_COPY(String, mFilename, filename);
}

String * AbstractPart::mimeType()
{
    return mMimeType;
}

void AbstractPart::setMimeType(String * mimeType)
{
    MC_SAFE_REPLACE_COPY(String, mMimeType, mimeType);
}

String * AbstractPart::charset()
{
    return mCharset;
}

void AbstractPart::setCharset(String * charset)
{
    MC_SAFE_REPLACE_COPY(String, mCharset, charset);
}

String * AbstractPart::contentID()
{
    return mContentID;
}

void AbstractPart::setContentID(String * contentID)
{
    MC_SAFE_REPLACE_COPY(String, mContentID, contentID);
}

String * AbstractPart::contentLocation()
{
    return mContentLocation;
}

void AbstractPart::setContentLocation(String * contentLocation)
{
    MC_SAFE_REPLACE_COPY(String, mContentLocation, contentLocation);
}

String * AbstractPart::contentDescription()
{
    return mContentDescription;
}

void AbstractPart::setContentDescription(String * contentDescription)
{
    MC_SAFE_REPLACE_COPY(String, mContentDescription, contentDescription);
}

bool AbstractPart::isInlineAttachment()
{
    return mInlineAttachment;
}

void AbstractPart::setInlineAttachment(bool inlineAttachment)
{
    mInlineAttachment = inlineAttachment;
}

void AbstractPart::importIMAPFields(struct mailimap_body_fields * fields,
    struct mailimap_body_ext_1part * extension)
{
    if (fields->bd_parameter != NULL) {
        clistiter * cur;
        
        for(cur = clist_begin(fields->bd_parameter->pa_list) ; cur != NULL ;
            cur = clist_next(cur)) {
            struct mailimap_single_body_fld_param * imap_param;
            
            imap_param = (struct mailimap_single_body_fld_param *) clist_content(cur);
            
            if (strcasecmp(imap_param->pa_name, "name") == 0) {
                setFilename(String::stringByDecodingMIMEHeaderValue(imap_param->pa_value));
            }
            else if (strcasecmp(imap_param->pa_name, "charset") == 0) {
                setCharset(String::stringByDecodingMIMEHeaderValue(imap_param->pa_value));
            }
        }
    }
    if (fields->bd_id != NULL) {
        char * contentid;
        size_t cur_token;
        int r;
        
        cur_token = 0;
        r = mailimf_msg_id_parse(fields->bd_id, strlen(fields->bd_id),
            &cur_token, &contentid);
        if (r == MAILIMF_NO_ERROR) {
            // msg id
            setContentID(String::stringWithUTF8Characters(contentid));
            free(contentid);
        }
    }
    if (fields->bd_description != NULL) {
        setContentDescription(String::stringWithUTF8Characters(fields->bd_description));
    }
    
    if (extension != NULL) {
        if (extension->bd_disposition != NULL) {
            if (strcasecmp(extension->bd_disposition->dsp_type, "inline") == 0) {
                setInlineAttachment(true);
            }
            
            if (extension->bd_disposition->dsp_attributes != NULL) {
                clistiter * cur;
                
                for(cur = clist_begin(extension->bd_disposition->dsp_attributes->pa_list) ; cur != NULL ;
                    cur = clist_next(cur)) {
                    struct mailimap_single_body_fld_param * imap_param;
                    
                    imap_param = (struct mailimap_single_body_fld_param *) clist_content(cur);
                    
                    if (strcasecmp(imap_param->pa_name, "filename") == 0) {
                        setFilename(String::stringByDecodingMIMEHeaderValue(imap_param->pa_value));
                    }
                }
            }
        }
        
        if (extension->bd_loc != NULL) {
            setContentLocation(String::stringWithUTF8Characters(extension->bd_loc));
        }
    }
}

AbstractPart * AbstractPart::partForContentID(String * contentID)
{
    if (contentID->isEqual(mContentID)) {
        return this;
    }
    else {
        return NULL;
    }
}

AbstractPart * AbstractPart::partForUniqueID(String * uniqueID)
{
    if (uniqueID->isEqual(mUniqueID)) {
        return this;
    }
    else {
        return NULL;
    }
}

String * AbstractPart::decodedStringForData(Data * data)
{
    String *lowerMimeType = mMimeType ? mMimeType->lowercaseString() : NULL;
    
    if (lowerMimeType && lowerMimeType->hasPrefix(MCSTR("text/"))) {
        bool isHTML = lowerMimeType->isEqual(MCSTR("text/html"));
        return data->stringWithDetectedCharset(mCharset, isHTML);
    }
    else {
        return NULL;
    }
}

void AbstractPart::applyUniquePartID()
{
    Array * queue = new Array();
    queue->addObject(this);
    unsigned int queueIndex = 0;
    unsigned int identifier = 0;
    while (queueIndex < queue->count()) {
        AbstractPart * part = (AbstractPart *) queue->objectAtIndex(queueIndex);
        switch (part->partType()) {
            case PartTypeSingle:
                part->setUniqueID(String::stringWithUTF8Format("%u", identifier));
                identifier ++;
                break;
            case PartTypeMessage:
                queue->addObject(((AbstractMessagePart *) part)->mainPart());
                break;
            case PartTypeMultipartMixed:
            case PartTypeMultipartRelated:
            case PartTypeMultipartAlternative:
            case PartTypeMultipartSigned:
                queue->addObjectsFromArray(((AbstractMultipart *) part)->parts());
                break;
        }
        queueIndex ++;
    }
    queue->release();
}

HashMap * AbstractPart::serializable()
{
    HashMap * result = Object::serializable();
    
    if (uniqueID() != NULL) {
        result->setObjectForKey(MCSTR("uniqueID"), uniqueID());
    }
    if (filename() != NULL) {
        result->setObjectForKey(MCSTR("filename"), filename());
    }
    if (mimeType() != NULL) {
        result->setObjectForKey(MCSTR("mimeType"), mimeType());
    }
    if (charset() != NULL) {
        result->setObjectForKey(MCSTR("charset"), charset());
    }
    if (contentID() != NULL) {
        result->setObjectForKey(MCSTR("contentID"), contentID());
    }
    if (contentLocation() != NULL) {
        result->setObjectForKey(MCSTR("contentLocation"), contentLocation());
    }
    if (contentDescription() != NULL) {
        result->setObjectForKey(MCSTR("contentDescription"), contentDescription());
    }
    if (mInlineAttachment) {
        result->setObjectForKey(MCSTR("inlineAttachment"), MCSTR("1"));
    }
    String * partTypeStr;
    switch (mPartType) {
        default:
        case PartTypeSingle:
            partTypeStr = MCSTR("single");
            break;
        case PartTypeMessage:
            partTypeStr = MCSTR("message");
            break;
        case PartTypeMultipartMixed:
            partTypeStr = MCSTR("multipart/mixed");
            break;
        case PartTypeMultipartRelated:
            partTypeStr = MCSTR("multipart/related");
            break;
        case PartTypeMultipartAlternative:
            partTypeStr = MCSTR("multipart/alternative");
            break;
        case PartTypeMultipartSigned:
            partTypeStr = MCSTR("multipart/signed");
            break;
    }
    result->setObjectForKey(MCSTR("partType"), partTypeStr);
    
    return result;
}

void AbstractPart::importSerializable(HashMap * serializable)
{
    setUniqueID((String *) serializable->objectForKey(MCSTR("uniqueID")));
    setFilename((String *) serializable->objectForKey(MCSTR("filename")));
    setMimeType((String *) serializable->objectForKey(MCSTR("mimeType")));
    setCharset((String *) serializable->objectForKey(MCSTR("charset")));
    setContentID((String *) serializable->objectForKey(MCSTR("contentID")));
    setContentLocation((String *) serializable->objectForKey(MCSTR("contentLocation")));
    setContentDescription((String *) serializable->objectForKey(MCSTR("contentDescription")));
    String * value = (String *) serializable->objectForKey(MCSTR("inlineAttachment"));
    if (value != NULL) {
        if (value->intValue()) {
            setInlineAttachment(true);
        }
    }
    value = (String *) serializable->objectForKey(MCSTR("partType"));
    if (value != NULL) {
        if (value->isEqual(MCSTR("single"))) {
            setPartType(PartTypeSingle);
        }
        else if (value->isEqual(MCSTR("message"))) {
            setPartType(PartTypeMessage);
        }
        else if (value->isEqual(MCSTR("multipart/mixed"))) {
            setPartType(PartTypeMultipartMixed);
        }
        else if (value->isEqual(MCSTR("multipart/related"))) {
            setPartType(PartTypeMultipartRelated);
        }
        else if (value->isEqual(MCSTR("multipart/alternative"))) {
            setPartType(PartTypeMultipartAlternative);
        }
        else if (value->isEqual(MCSTR("multipart/signed"))) {
            setPartType(PartTypeMultipartSigned);
        }
    }
}