#include <stdlib.h>

#include "token.h"

#ifndef NODE_H
#define NODE_H

typedef enum {
    // Stand-alone elements
    // cannot contain text modifiers
    NT_Header1,
    NT_Header2,
    NT_Header3,
    NT_Header4,
    NT_BlockCode,

    // Container elements
    // can contain text modifiers
    NT_Paragraph,
    NT_UnorderedList,
    NT_OrderedList,
    NT_BlockQuote,

    // Contained elements (cannot be bare)
    // text modifiers
    NT_InlineCode,
    NT_Bold,
    NT_Underline,

    // something went wrong
    NT_Error,
} NodeType;


typedef struct Node {
    NodeType type;
    struct Node* next;
} Node;

typedef struct {
    NodeType type;
    struct Node* next;
    char* rawText;
} HeaderNode;

typedef struct {
    NodeType type;
    struct Node* next;
    char* rawText;
} CodeBlockNode;

typedef struct {
    NodeType type;
    struct Node* next;
    char* error;
} ErrorNode;

typedef enum {
    PT_Standard,
    PT_Quote,
    PT_Code,
} ParagraphType;

typedef struct {
    NodeType type;
    struct Node* next;
    ParagraphType ptype;
    struct Token* content;
} ParagraphNode;

Node* ParseNodes(Token* firstToken);
char* NodeTypeString(NodeType t);
char* ParagraphTypeString(ParagraphType t);

#endif