#if 0
ctime -begin ${0%.*}.ctm
gcc -g -Wall -fsanitize=address -std=c99 $0 -o ${0%.*} hmml.a
ctime -end ${0%.*}.ctm
exit
#endif

typedef unsigned int bool;

#define TRUE 1
#define FALSE 0

#include <stdarg.h> // NOTE(matt): varargs
#include <stdio.h>  // NOTE(matt): printf, sprintf, vsprintf, fprintf, perror
#include <stdlib.h> // NOTE(matt): calloc, malloc, free
#include "hmmlib.h"

typedef struct
{
    char *Location;
    char *Ptr;
    int  Size;
} buffer;

typedef struct
{
    char Timecode[8];
    int Identifier;
} identifier;

typedef struct
{
    char RefTitle[620];
    char ID[512];
    char URL[512];
    char Source[256];
    identifier Identifier[12];
    int IdentifierCount;
} ref_info;

#define ArrayCount(A) sizeof(A)/sizeof(*(A))

void
ClaimBuffer(char *MemoryArena, int *ClaimedMemory, buffer *Buffer, int Size)
{
    Buffer->Location = MemoryArena + *ClaimedMemory;
    Buffer->Size = Size;
    *ClaimedMemory += Buffer->Size;
    Buffer->Ptr = Buffer->Location;
}

int
TimecodeToSeconds(char *Timecode)
{
    int HMS[3] = { 0, 0, 0 }; // 0 == Seconds; 1 == Minutes; 2 == Hours
    int Colons = 0;
    while(*Timecode)
    {
        //if((*Timecode < '0' || *Timecode > '9') && *Timecode != ':') { return FALSE; }
        
        if(*Timecode == ':')
        {
            ++Colons;
            //if(Colons > 2) { return FALSE; }
            for(int i = 0; i < Colons; ++i)
            {
                HMS[Colons - i] = HMS[Colons - (i + 1)];
            }
            HMS[0] = 0;
        }
        else
        {
            HMS[0] = HMS[0] * 10 + *Timecode - '0';
        }
        
        ++Timecode;
    }
    
    //if(HMS[0] > 59 || HMS[1] > 59 || Timecode[-1] == ':') { return FALSE; }
    
    return HMS[2] * 60 * 60 + HMS[1] * 60 + HMS[0];
}

void
CopyBuffer(buffer *Dest, buffer *Src)
{
    Src->Ptr = Src->Location;
    while(*Src->Ptr)
    {
        *Dest->Ptr++ = *Src->Ptr++;
    }
}

__attribute__ ((format (printf, 2, 3)))
void
CopyString(char Dest[], char *Format, ...)
{
    va_list Args;
    va_start(Args, Format);
    vsprintf(Dest, Format, Args);
    va_end(Args);
}

__attribute__ ((format (printf, 2, 3)))
void
CopyStringToBuffer(buffer *Dest, char *Format, ...)
{
    va_list Args;
    va_start(Args, Format);
    int Length = vsprintf(Dest->Ptr, Format, Args);
    va_end(Args);
    Dest->Ptr += Length;
}

int
StringsDiffer(char *A, char *B)
{
    while(*A && *B && *A == *B)
    {
        ++A, ++B;
    }
    return *A - *B;
}

bool
StringsDifferL(char *A, char *B, int LengthofA)
{
    int i = 0;
    while(i < LengthofA && A[i] && A[i] == B[i])
    {
        ++i;
    }
    if(!A[i] && LengthofA == i)
    {
        return FALSE;
    }
    else
    {
        return TRUE;
    }
}

typedef struct
{
    unsigned int Hue:16;
    unsigned int Saturation:8;
    unsigned int Lightness:8;
} hsl_colour;

hsl_colour
CharToColour(char Char)
{
    hsl_colour Colour;

    if(Char >= 'a' && Char <= 'z')
    {
        Colour.Hue = (((float)Char - 'a') / ('z' - 'a') * 360);
        Colour.Saturation = (((float)Char - 'a') / ('z' - 'a') * 26 + 74);
    }
    else if(Char >= 'A' && Char <= 'Z')
    {
        Colour.Hue = (((float)Char - 'A') / ('Z' - 'A') * 360);
        Colour.Saturation = (((float)Char - 'A') / ('Z' - 'A') * 26 + 74);
    }
    else if(Char >= '0' && Char <= '9')
    {
        Colour.Hue = (((float)Char - '0') / ('9' - '0') * 360);
        Colour.Saturation = (((float)Char - '0') / ('9' - '0') * 26 + 74);
    }
    else
    {
        Colour.Hue = 180;
        Colour.Saturation = 50;
    }

    return Colour;
}

char *
StringToColourHash(buffer *Buffer, char *String)
{
    hsl_colour Colour = {0, 0, 26};

    int i;
    for(i = 0; String[i]; ++i)
    {
        Colour.Hue += CharToColour(String[i]).Hue;
        Colour.Saturation += CharToColour(String[i]).Saturation;
    }

    Colour.Hue = Colour.Hue % 360;
    Colour.Saturation = Colour.Saturation % 26 + 74;
    Buffer->Ptr = Buffer->Location;
    CopyStringToBuffer(Buffer, "hsl(%d, %d%%, %d%%)", Colour.Hue, Colour.Saturation, Colour.Lightness);
    return(Buffer->Location);
}

int
StringLength(char *String)
{
    int i = 0;
    while(String[i])
    {
        ++i;
    }
    return i;
}

char *
SanitisePunctuation(char *String)
{
    char *Ptr = String;
    while(*Ptr)
    {
        if(*Ptr == ' ')
        {
            *Ptr = '_';
        }
        if((*Ptr < '0' || *Ptr > '9') &&
                (*Ptr < 'a' || *Ptr > 'z') &&
                (*Ptr < 'A' || *Ptr > 'Z'))
        {
            *Ptr = '-';
        }
        ++Ptr;
    }
    return String;
}

char *CategoryMedium[] =
{
    "blackboard",
    "owl",
    "rant",
    "research",
    "run",
};

int
BuildReference(ref_info *ReferencesArray, int RefIdentifier, int UniqueRefs, HMML_Reference Ref, HMML_Annotation Anno)
{
    if(Ref.url && Ref.title && Ref.author && Ref.publisher && Ref.isbn)
    {
        CopyString(ReferencesArray[UniqueRefs].ID, Ref.isbn);
        CopyString(ReferencesArray[UniqueRefs].Source, "%s (%s)", Ref.author, Ref.publisher);
        CopyString(ReferencesArray[UniqueRefs].RefTitle, Ref.title);
        CopyString(ReferencesArray[UniqueRefs].URL, Ref.url);
    }
    else if(Ref.page && Ref.url && Ref.title)
    {
        CopyString(ReferencesArray[UniqueRefs].ID, Ref.url);
        CopyString(ReferencesArray[UniqueRefs].Source, Ref.title);
        CopyString(ReferencesArray[UniqueRefs].RefTitle, Ref.page);
        CopyString(ReferencesArray[UniqueRefs].URL, Ref.url);
    }
    else if(Ref.site && Ref.page && Ref.url)
    {
        CopyString(ReferencesArray[UniqueRefs].ID, Ref.url);
        CopyString(ReferencesArray[UniqueRefs].Source, Ref.site);
        CopyString(ReferencesArray[UniqueRefs].RefTitle, Ref.page);
        CopyString(ReferencesArray[UniqueRefs].URL, Ref.url);
    }
    else if(Ref.site && Ref.url && Ref.title)
    {
        CopyString(ReferencesArray[UniqueRefs].ID, Ref.url);
        CopyString(ReferencesArray[UniqueRefs].Source, Ref.site);
        CopyString(ReferencesArray[UniqueRefs].RefTitle, Ref.title);
        CopyString(ReferencesArray[UniqueRefs].URL, Ref.url);
    }
    else if(Ref.title && Ref.author && Ref.isbn)
    {
        CopyString(ReferencesArray[UniqueRefs].ID, Ref.isbn);
        CopyString(ReferencesArray[UniqueRefs].Source, Ref.author);
        CopyString(ReferencesArray[UniqueRefs].RefTitle, Ref.title);
        CopyString(ReferencesArray[UniqueRefs].URL, "http://www.isbnsearch.org/isbn/%s", Ref.isbn);
    }
    else if(Ref.url && Ref.article && Ref.author)
    {
        CopyString(ReferencesArray[UniqueRefs].ID, Ref.url);
        CopyString(ReferencesArray[UniqueRefs].Source, Ref.author);
        CopyString(ReferencesArray[UniqueRefs].RefTitle, Ref.article);
        CopyString(ReferencesArray[UniqueRefs].URL, Ref.url);
    }
    else if(Ref.url && Ref.title && Ref.author)
    {
        CopyString(ReferencesArray[UniqueRefs].ID, Ref.url);
        CopyString(ReferencesArray[UniqueRefs].Source, Ref.author);
        CopyString(ReferencesArray[UniqueRefs].RefTitle, Ref.title);
        CopyString(ReferencesArray[UniqueRefs].URL, Ref.url);
    }
    else if(Ref.url && Ref.title)
    {
        CopyString(ReferencesArray[UniqueRefs].ID, Ref.url);
        CopyString(ReferencesArray[UniqueRefs].RefTitle, Ref.title);
        CopyString(ReferencesArray[UniqueRefs].URL, Ref.url);
    }
    else if(Ref.site && Ref.url)
    {
        CopyString(ReferencesArray[UniqueRefs].ID, Ref.url);
        CopyString(ReferencesArray[UniqueRefs].RefTitle, Ref.site);
        CopyString(ReferencesArray[UniqueRefs].URL, Ref.url);
    }
    else
    {
        return 1;
    }

    CopyString(ReferencesArray[UniqueRefs].Identifier[ReferencesArray[UniqueRefs].IdentifierCount].Timecode, Anno.time);
    ReferencesArray[UniqueRefs].Identifier[ReferencesArray[UniqueRefs].IdentifierCount].Identifier = RefIdentifier;
    return 0;
}

void
BuildCategories(buffer *AnnotationClass, buffer *Category, int *MarkerIndex, bool *HasCategory, char *Marker)
{
    for(int i = 0; i < ArrayCount(CategoryMedium); ++i)
    {
        if(!StringsDiffer(CategoryMedium[i], Marker))
        {
            CopyStringToBuffer(AnnotationClass, " %s", SanitisePunctuation(Marker));
            ++*MarkerIndex;
            return;
        }
    }
    if(*HasCategory == FALSE)
    {
        CopyStringToBuffer(Category, "<span class=\"categories\">");
        *HasCategory = TRUE;
    }

    CopyStringToBuffer(Category, "<div class=\"category %s\"></div>",
        SanitisePunctuation(Marker));

    CopyStringToBuffer(AnnotationClass, " cat_%s",
            SanitisePunctuation(Marker));
    ++*MarkerIndex;
    return;
}

void
GenerateTopicColours(buffer *Colour, char *Topic)
{
    for(int i = 0; i < ArrayCount(CategoryMedium); ++i)
    {
        if(!StringsDiffer(Topic, CategoryMedium[i]))
        {
            return;
        }
    }

    FILE *TopicsFile;
    char *TopicsBuffer;
    if((TopicsFile = fopen("topics.css", "a+")))
    {
        fseek(TopicsFile, 0, SEEK_END);
        int TopicsLength = ftell(TopicsFile);
        fseek(TopicsFile, 0, SEEK_SET);

        if(!(TopicsBuffer = malloc(TopicsLength)))
        {
            perror("hmml_to_html");
            return;
        }

        fread(TopicsBuffer, TopicsLength, 1, TopicsFile);

        char *TopicsPtr = TopicsBuffer;

        while(TopicsPtr - TopicsBuffer < TopicsLength)
        {
            TopicsPtr += 39;
            if(!StringsDifferL(SanitisePunctuation(Topic), TopicsPtr, StringLength(Topic)))
            {
                free(TopicsBuffer);
                fclose(TopicsFile);
                return;
            }
            while(TopicsPtr - TopicsBuffer < TopicsLength && *TopicsPtr != '\n')
            {
                ++TopicsPtr;
            }
            ++TopicsPtr;
        }

        fprintf(TopicsFile, ".marker .content .categories .category.%s { border-color: %s; background: %s; }\n",
            SanitisePunctuation(Topic), StringToColourHash(Colour, Topic), StringToColourHash(Colour, Topic));

        fclose(TopicsFile);
        free(TopicsBuffer);
    }
    else
    {
        perror("hmml_to_html");
        return;
    }
}

int
main(int ArgC, char **Args)
{
    if(ArgC < 2)
    {
        fprintf(stderr, "Usage: %s filename(s)\n", Args[0]);
        return 1;
    }
    
    // NOTE(matt): Init MemoryArena
    char *MemoryArena;
    int ArenaSize = 1024 * 1024;
    if(!(MemoryArena = calloc(ArenaSize, 1)))
    {
        perror(Args[0]);
        return 1;
    }
    int ClaimedMemory = 0;
    
    // NOTE(matt): Setup buffers and ptrs
    char *InPtr;

    buffer Title;
    buffer QuoteMenu;
    buffer ReferenceMenu;

    buffer Player;
    buffer Annotation;
    buffer AnnotationHeader;
    buffer AnnotationClass;
    buffer AnnotationData;
    buffer Text;
    buffer Category;
    buffer Colour;

    buffer Master;

    for(int FileIndex = 1; FileIndex < ArgC; ++FileIndex)
    {
        // TODO(matt): Maybe look into this further. It works, but there may be
        //             bugs lurking
        ClaimedMemory = 0;
        FILE *InFile;
        if(!(InFile = fopen(Args[FileIndex], "r")))
        {
            perror(Args[0]);
            free(MemoryArena);
            return 1;
        }

        HMML_Output HMML = hmml_parse_file(InFile);
        fclose(InFile);

        if(HMML.well_formed)
        {
            ClaimBuffer(MemoryArena, &ClaimedMemory, &Title, 1024 * 16);
            ref_info ReferencesArray[200] = { 0 };
            ClaimBuffer(MemoryArena, &ClaimedMemory, &Player, 1024 * 256);

            bool HasQuoteMenu = FALSE;
            bool HasReferenceMenu = FALSE;

            int QuoteIdentifier = 0x3b1;
            int RefIdentifier = 1;
            int UniqueRefs = 0;

            CopyStringToBuffer(&Title,
"        <div class=\"title %s\">\n"
"            <span class=\"episode_name\">%s</span>\n", HMML.metadata.project, HMML.metadata.title);

            CopyStringToBuffer(&Player,
"        <div class=\"player_container\">\n"
"            <div class=\"video_container\" data-videoId=\"%s\"></div>\n"
"            <div class=\"markers_container %s\">\n", HMML.metadata.id, HMML.metadata.project);

            for(int AnnotationIndex = 0; AnnotationIndex < HMML.annotation_count; ++AnnotationIndex)
            {
                HMML_Annotation *Anno = HMML.annotations + AnnotationIndex;
                bool HasCategory = FALSE;
                bool HasQuote = FALSE;
                bool HasReference = FALSE;

                ClaimBuffer(MemoryArena, &ClaimedMemory, &AnnotationHeader, 512);
                ClaimBuffer(MemoryArena, &ClaimedMemory, &Category, 256);
                ClaimBuffer(MemoryArena, &ClaimedMemory, &AnnotationClass, 256);
                ClaimBuffer(MemoryArena, &ClaimedMemory, &Text, 1024 * 4);
                ClaimBuffer(MemoryArena, &ClaimedMemory, &Colour, 32);

                CopyStringToBuffer(&AnnotationHeader,
"                <div data-timestamp=\"%d\"",
TimecodeToSeconds(Anno->time));

                CopyStringToBuffer(&AnnotationClass,
" class=\"marker");

                if(Anno->author)
                {
                    CopyStringToBuffer(&AnnotationClass, " authored");
                    CopyStringToBuffer(&Text,
"<span class=\"author\" style=\"color: %s;\">%s</span> ",
StringToColourHash(&Colour, Anno->author),
Anno->author);
                }

                InPtr = Anno->text;

                int MarkerIndex = 0, RefIndex = 0;
                while(*InPtr || RefIndex < Anno->reference_count)
                {
                    if(MarkerIndex < Anno->marker_count &&
                            InPtr - Anno->text == Anno->markers[MarkerIndex].offset)
                    {
                        char *Readable = Anno->markers[MarkerIndex].parameter
                            ? Anno->markers[MarkerIndex].parameter
                            : Anno->markers[MarkerIndex].marker;
                        if(Anno->markers[MarkerIndex].type == HMML_MEMBER)
                        {
                            CopyStringToBuffer(&Text,
                                    // TODO(matt): Hoverbox
"<a href=\"https://handmade.network/m/%s\" target=\"blank\" style=\"color: %s; text-decoration: none\">%.*s</a>",
Anno->markers[MarkerIndex].marker,
StringToColourHash(&Colour, Anno->markers[MarkerIndex].marker),
StringLength(Readable), InPtr);
                            InPtr += StringLength(Readable);
                            ++MarkerIndex;
                        }
                        else if(Anno->markers[MarkerIndex].type == HMML_PROJECT)
                        {
                            CopyStringToBuffer(&Text,
                                    // TODO(matt): Hoverbox
"<a href=\"https://%s.handmade.network/\" target=\"blank\" style=\"color: %s; text-decoration: none\">%s</a>",
Anno->markers[MarkerIndex].marker,
StringToColourHash(&Colour, Anno->markers[MarkerIndex].marker),
Readable);
                            InPtr += StringLength(Readable);
                            ++MarkerIndex;
                        }
                        else if(Anno->markers[MarkerIndex].type == HMML_CATEGORY)
                        {
                            GenerateTopicColours(&Colour, Anno->markers[MarkerIndex].marker);
                            BuildCategories(&AnnotationClass, &Category, &MarkerIndex, &HasCategory, Anno->markers[MarkerIndex].marker);
                        }
                    }
                    
                    if(RefIndex < Anno->reference_count &&
                            InPtr - Anno->text == Anno->references[RefIndex].offset)
                    {
                        HMML_Reference *CurrentRef = Anno->references + RefIndex;
                        if(!HasReferenceMenu)
                        {
                            ClaimBuffer(MemoryArena, &ClaimedMemory, &ReferenceMenu, 1024 * 16);

                            CopyStringToBuffer(&ReferenceMenu,
"            <div class=\"refs_container\">\n"
"                <span>References &#9660;</span>\n"
"                <div class=\"mouse_catcher\"></div>\n"
"                <div class=\"refs\">\n");

                            if(BuildReference(ReferencesArray, RefIdentifier, UniqueRefs, *CurrentRef, *Anno) == 1)
                            {
                                fprintf(stderr, "%s:%d: Cannot process new combination of reference info\n", Args[FileIndex], Anno->line);
                                hmml_free(&HMML);
                                free(MemoryArena);
                                return 1;
                            }
                            ++ReferencesArray[RefIdentifier - 1].IdentifierCount;
                            ++UniqueRefs;

                            HasReferenceMenu = TRUE;
                        }
                        else
                        {
                            for(int i = 0; i < UniqueRefs; ++i)
                            {
                                if(CurrentRef->isbn)
                                {
                                    if(!StringsDiffer(CurrentRef->isbn, ReferencesArray[i].ID))
                                    {
                                        CopyString(ReferencesArray[i].Identifier[ReferencesArray[i].IdentifierCount].Timecode, Anno->time);
                                        ReferencesArray[i].Identifier[ReferencesArray[i].IdentifierCount].Identifier = RefIdentifier;
                                        ++ReferencesArray[i].IdentifierCount;
                                        goto AppendedIdentifier;
                                    }
                                }
                                else if(CurrentRef->url)
                                {
                                    if(!StringsDiffer(CurrentRef->url, ReferencesArray[i].ID))
                                    {
                                        CopyString(ReferencesArray[i].Identifier[ReferencesArray[i].IdentifierCount].Timecode, Anno->time);
                                        ReferencesArray[i].Identifier[ReferencesArray[i].IdentifierCount].Identifier = RefIdentifier;
                                        ++ReferencesArray[i].IdentifierCount;
                                        goto AppendedIdentifier;
                                    }
                                }
                                else
                                {
                                    fprintf(stderr, "%s:%d: Reference must have an ISBN or URL\n", Args[FileIndex], Anno->line);
                                    hmml_free(&HMML);
                                    free(MemoryArena);
                                    return 1;
                                }
                            }

                            if(BuildReference(ReferencesArray, RefIdentifier, UniqueRefs, *CurrentRef, *Anno) == 1)
                            {
                                fprintf(stderr, "%s:%d: Cannot process new combination of reference info\n", Args[FileIndex], Anno->line);
                                hmml_free(&HMML);
                                free(MemoryArena);
                                return 1;
                            }
                            ++ReferencesArray[UniqueRefs].IdentifierCount;
                            ++UniqueRefs;
                        }
AppendedIdentifier:
                        if(!HasReference)
                        {
                            ClaimBuffer(MemoryArena, &ClaimedMemory, &AnnotationData, 128);
                            if(CurrentRef->isbn)
                            {
                                CopyStringToBuffer(&AnnotationData, " data-ref=\"%s", CurrentRef->isbn);
                            }
                            else if(CurrentRef->url)
                            {
                                CopyStringToBuffer(&AnnotationData, " data-ref=\"%s", CurrentRef->url);
                            }
                            else
                            {
                                fprintf(stderr, "%s:%d: Reference must have an ISBN or URL\n", Args[FileIndex], Anno->line);
                                hmml_free(&HMML);
                                free(MemoryArena);
                                return 1;
                            }

                            HasReference = TRUE;
                        }
                        else
                        {
                            if(CurrentRef->isbn)
                            {
                                CopyStringToBuffer(&AnnotationData, ",%s", CurrentRef->isbn);
                            }
                            else if(CurrentRef->url)
                            {
                                CopyStringToBuffer(&AnnotationData, ",%s", CurrentRef->url);
                            }
                            else
                            {
                                fprintf(stderr, "%s:%d: Reference must have an ISBN or URL", Args[FileIndex], Anno->line);
                                hmml_free(&HMML);
                                free(MemoryArena);
                                return 1;
                            }
                        }

                        CopyStringToBuffer(&Text, "<sup>%d</sup>", RefIdentifier);

                        ++RefIndex;
                        ++RefIdentifier;
                    }

                    if(*InPtr)
                    {
                        *Text.Ptr++ = *InPtr++;
                    }
                }

                if(Anno->is_quote)
                {
                    if(!HasQuoteMenu)
                    {
                        ClaimBuffer(MemoryArena, &ClaimedMemory, &QuoteMenu, 1024 * 16);
                        CopyStringToBuffer(&QuoteMenu,
"            <div class=\"refs_container\">\n"
"                <span>Quotes &#9660;</span>\n"
"                <div class=\"mouse_catcher\"></div>\n"
"                <div class=\"refs\">\n");

                        HasQuoteMenu = TRUE;
                    }

                    if(!HasReference)
                    {
                        ClaimBuffer(MemoryArena, &ClaimedMemory, &AnnotationData, 128);
                        CopyStringToBuffer(&AnnotationData, " data-ref=\"&#%d;", QuoteIdentifier);
                    }
                    else
                    {
                        CopyStringToBuffer(&AnnotationData, ",&#%d;", QuoteIdentifier);
                    }

                    HasQuote = TRUE;

                    CopyStringToBuffer(&QuoteMenu,
"                    <span data-id=\"&#%d;\" class=\"ref\">\n"
"                        <span class=\"ref_content\">\n"
"                            <div class=\"source\">#%d • %s</div>\n"
"                            <div class=\"ref_title\">%s</div>\n"
"                        </span>\n"
"                        <div class=\"ref_indices\">\n"
"                            <span data-timestamp=\"%d\" class=\"timecode\"><span class=\"ref_index\">[&#%d;]</span><span class=\"time\">%s</span></span>\n"
"                        </div>\n"
"                    </span>\n",
QuoteIdentifier,
Anno->quote.id,
"Quote date",
"Quote text",
TimecodeToSeconds(Anno->time),
QuoteIdentifier,
Anno->time);
                    if(!Anno->text[0])
                    {
                        CopyStringToBuffer(&Text, "&#8220;Quote text&#8221;");
                    }
                    CopyStringToBuffer(&Text, "<sup>&#%d;</sup>", QuoteIdentifier);
                    ++QuoteIdentifier;
                }

                while(MarkerIndex < Anno->marker_count)
                {
                    GenerateTopicColours(&Colour, Anno->markers[MarkerIndex].marker);
                    ClaimedMemory -= Colour.Size;
                    BuildCategories(&AnnotationClass, &Category, &MarkerIndex, &HasCategory, Anno->markers[MarkerIndex].marker);
                }

                CopyStringToBuffer(&AnnotationClass, "\"");
                CopyBuffer(&AnnotationHeader, &AnnotationClass);
                ClaimedMemory -= AnnotationClass.Size;

                if(HasQuote || HasReference)
                {
                    CopyStringToBuffer(&AnnotationData, "\"");
                    CopyBuffer(&AnnotationHeader, &AnnotationData);
                    ClaimedMemory -= AnnotationData.Size;
                }
                CopyStringToBuffer(&AnnotationHeader, ">\n");

                ClaimBuffer(MemoryArena, &ClaimedMemory, &Annotation, 1024 * 4);

                CopyBuffer(&Annotation, &AnnotationHeader);
                ClaimedMemory -= AnnotationHeader.Size;
                CopyStringToBuffer(&Annotation,
"                    <div class=\"content\"><span class=\"timecode\">%s</span>",
Anno->time);

                if(HasCategory)
                {
                    CopyStringToBuffer(&Category, "</span>");
                    CopyBuffer(&Text, &Category);
                    ClaimedMemory -= Category.Size;
                }

                *Text.Ptr = '\0';

                CopyBuffer(&Annotation, &Text);

                CopyStringToBuffer(&Annotation, "</div>\n"
"                    <div class=\"progress faded\">\n"
"                        <div class=\"content\"><span class=\"timecode\">%s</span>",
Anno->time);

                CopyBuffer(&Annotation, &Text);

                CopyStringToBuffer(&Annotation, "</div>\n"
"                    </div>\n"
"                    <div class=\"progress main\">\n"
"                        <div class=\"content\"><span class=\"timecode\">%s</span>",
Anno->time);

                CopyBuffer(&Annotation, &Text);
                ClaimedMemory -= Text.Size;

                CopyStringToBuffer(&Annotation, "</div>\n"
"                    </div>\n"
"                </div>\n");

                CopyBuffer(&Player, &Annotation);

                ClaimedMemory -= Annotation.Size;
            }

            if(HasQuoteMenu)
            {
                CopyStringToBuffer(&QuoteMenu,
"                </div>\n"
"            </div>\n");
                CopyBuffer(&Title, &QuoteMenu);
                ClaimedMemory -= QuoteMenu.Size;
            }

            if(HasReferenceMenu)
            {
                for(int i = 0; i < UniqueRefs; ++i)
                {
                        CopyStringToBuffer(&ReferenceMenu,
"                    <a data-id=\"%s\" href=\"%s\" target=\"_blank\" class=\"ref\">\n"
"                        <span class=\"ref_content\">\n",
ReferencesArray[i].ID,
ReferencesArray[i].URL);

                        if(*ReferencesArray[i].Source)
                        {
                            CopyStringToBuffer(&ReferenceMenu,
"                            <div class=\"source\">%s</div>\n"
"                            <div class=\"ref_title\">%s</div>\n",
ReferencesArray[i].Source,
ReferencesArray[i].RefTitle);
                        }
                        else
                        {
                            CopyStringToBuffer(&ReferenceMenu,
"                            <div class=\"ref_title\">%s</div>\n",
ReferencesArray[i].RefTitle);
                        }
                            CopyStringToBuffer(&ReferenceMenu,
"                        </span>\n");

                        for(int j = 0; j < ReferencesArray[i].IdentifierCount;)
                        {
                            CopyStringToBuffer(&ReferenceMenu,
"                        <div class=\"ref_indices\">\n                            ");
                            for(int k = 0; k < 3 && j < ReferencesArray[i].IdentifierCount; ++k, ++j)
                            {
                                CopyStringToBuffer(&ReferenceMenu,
"<span data-timestamp=\"%d\" class=\"timecode\"><span class=\"ref_index\">[%d]</span><span class=\"time\">%s</span></span>",
TimecodeToSeconds(ReferencesArray[i].Identifier[j].Timecode),
ReferencesArray[i].Identifier[j].Identifier,
ReferencesArray[i].Identifier[j].Timecode);
                            }
                        CopyStringToBuffer(&ReferenceMenu, "\n"
"                        </div>\n");
                        }

                        CopyStringToBuffer(&ReferenceMenu,
"                    </a>\n");
                }

                CopyStringToBuffer(&ReferenceMenu,
"                </div>\n"
"            </div>\n");
                CopyBuffer(&Title, &ReferenceMenu);
                ClaimedMemory -= ReferenceMenu.Size;
            }

            CopyStringToBuffer(&Title,
"            <span class=\"annotator_container\">Annotator: <span class=\"annotator\">%s</span></span>\n"
"        </div>\n",
HMML.metadata.annotator);

            CopyStringToBuffer(&Player,
"            </div>\n"
"        </div>\n");

            //NOTE(matt): Collate the buffers!

            ClaimBuffer(MemoryArena, &ClaimedMemory, &Master, 1024 * 512);
            CopyStringToBuffer(&Master,
"<html>\n"
"    <head>\n"
"        <meta charset=\"UTF-8\">\n"
"\n"
"        <!-- Load the player -->\n"
"        <script type=\"text/javascript\" src=\"player.js\"></script>\n"
"        <link rel=\"stylesheet\" type=\"text/css\" href=\"style.css\">\n"
"        <link rel=\"stylesheet\" type=\"text/css\" href=\"%s.css\">\n"
"        <link rel=\"stylesheet\" type=\"text/css\" href=\"topics.css\">\n"
"    </head>\n"
"    <body>\n", HMML.metadata.project);

            //NOTE(matt): Here is where we do all our CopyBuffer() calls
            CopyBuffer(&Master, &Title);
            ClaimedMemory -= Title.Size;
            CopyBuffer(&Master, &Player);
            ClaimedMemory -= Player.Size;
            //

            CopyStringToBuffer(&Master,
"        <script>\n"
"            var player = new Player(document.querySelector(\".player_container\"), onRefChanged);\n"
"            window.addEventListener(\"resize\", function() { player.updateSize(); });\n"
"                document.addEventListener(\"keypress\", function(ev) {\n"
"                    switch (ev.key) {\n"
"                        case 'n':\n"
"                        case 'd':\n"
"                        case 's': {\n"
"                                player.jumpToNextMarker();\n"
"                        } break;\n"
"\n"
"                        case 'p':\n"
"                        case 'a':\n"
"                        case 'w': {\n"
"                                player.jumpToPrevMarker();\n"
"                        } break;\n"
"    }\n"
"});\n"
"\n"
"var refTimecodes = document.querySelectorAll(\".refs .ref .timecode\");\n"
"for (var i = 0; i < refTimecodes.length; ++i) {\n"
"    refTimecodes[i].addEventListener(\"click\", function(ev) {\n"
"        if (player) {\n"
"            var time = ev.currentTarget.getAttribute(\"data-timestamp\");\n"
"            player.setTime(parseInt(time, 10));\n"
"            player.play();\n"
"            ev.preventDefault();\n"
"            ev.stopPropagation();\n"
"            return false;\n"
"        }\n"
"    });\n"
"}\n"
"\n"
"var refSources = document.querySelectorAll(\".refs .ref\");\n"
"for (var i = 0; i < refSources.length; ++i) {\n"
"    refSources[i].addEventListener(\"click\", function(ev) {\n"
"        if (player) {\n"
"            player.pause();\n"
"        }\n"
"    });\n"
"}\n"
"\n"
"function onRefChanged(ref) {\n"
"    var sourceMenus = document.querySelectorAll(\".refs_container\");\n"
"    for (var MenuIndex = 0; MenuIndex < sourceMenus.length; ++MenuIndex)\n"
"        {\n"
"        var SetMenu = 0;\n"
"        if (ref !== undefined && ref !== null) {\n"
"            var refElements = sourceMenus[MenuIndex].querySelectorAll(\".refs .ref\");\n"
"            var refs = ref.split(\",\");\n"
"\n"
"            for (var i = 0; i < refElements.length; ++i) {\n"
"                if (refs.includes(refElements[i].getAttribute(\"data-id\"))) {\n"
"                    refElements[i].classList.add(\"current\");\n"
"                    SetMenu = 1;\n"
"                } else {\n"
"                    refElements[i].classList.remove(\"current\");\n"
"                }\n"
"            }\n"
"            if(SetMenu) {\n"
"                sourceMenus[MenuIndex].classList.add(\"current\");\n"
"            } else {\n"
"                sourceMenus[MenuIndex].classList.remove(\"current\");\n"
"            }\n"
"\n"
"        } else {\n"
"            sourceMenus[MenuIndex].classList.remove(\"current\");\n"
"            var refs = sourceMenus[MenuIndex].querySelectorAll(\".refs .ref\");\n"
"            for (var i = 0; i < refs.length; ++i) {\n"
"                refs[i].classList.remove(\"current\");\n"
"            }\n"
"        }\n"
"    }\n"
"}\n"
"        </script>\n"
"    </body>\n"
"</html>\n");

            FILE *OutFile;
            if(!(OutFile = fopen("out.html", "w")))
            {
                perror(Args[0]);
                hmml_free(&HMML);
                free(MemoryArena);
                return 1;
            }
            fwrite(Master.Location, Master.Ptr - Master.Location, 1, OutFile);
            fclose(OutFile);

            ClaimedMemory -= Master.Size;
        }
        else
        {
            fprintf(stderr, "%s:%d: %s\n", Args[FileIndex], HMML.error.line, HMML.error.message);
        }
        hmml_free(&HMML);
    }
    free(MemoryArena);
}