#ifndef RKTWEBVIEW_H
#define RKTWEBVIEW_H

#include "rktwebview_global.h"
#include <map>
#include <string>

#ifdef _WIN32
#include <windows.h>
typedef HANDLE mutex_t;
typedef HANDLE thread_t;
typedef DWORD  thread_id_t;
#define USE_WIN_THREADS
#endif

#ifdef __linux
#include <pthread.h>
#include <unistd.h>
typedef pthread_t       thread_t;
typedef pthread_mutex_t mutex_t;
typedef int             thread_id_t;
#define USE_PTHREADS
#endif

#define CONTEXT_INVALID             0
#define CONTEXT_BOUND_EVENT         1
#define CONTEXT_WINDOW_RESIZE       2
#define CONTEXT_WINDOW_MOVE         3
#define CONTEXT_WINDOW_CAN_CLOSE    4
#define CONTEXT_WINDOW_CLOSED       5
#define CONTEXT_SET_HTML            6
#define CONTEXT_NAVIGATE            7
#define CONTEXT_EVAL_JS             8
#define CONTEXT_OPEN_DEVTOOLS       9
#define CONTEXT_CALL_JS            10

typedef enum {
    oke = 0,
    error = 1
} result_t;

typedef enum {
    reason_no_result_yet = -1,
    reason_oke = 0,
    reason_set_html_failed = 1,
    reason_set_navigate_failed = 2,
    reason_eval_js_failed = 3,
    reason_no_devtools_on_platform = 4,
    reason_no_delegate_for_context = 5,
    reason_webview_missing_dependency = 6,
    reason_webview_canceled = 7,
    reason_webview_invalid_state = 8,
    reason_webview_invalid_argument = 9,
    reason_webview_unspecified = 10,
    reason_webview_dispatch_failed = 11
} reason_t;

typedef struct {
    int context;
    char *data;
} item_t;

typedef struct _item {
    item_t item;
    struct _item *next;
    struct _item *prev;
} queue_item_t;

typedef struct {
    queue_item_t *first;
    queue_item_t *last;
    int length;
} queue_t;

typedef struct {
    void       *webview_handle;
    mutex_t     mutex;
    thread_t    webview_thread;
    thread_id_t webview_thread_id;
    queue_t     to_webview;
    queue_t     from_webview;
    int         wv_res;
    result_t    last_result;
    reason_t    last_reason;
    bool        handle_set;
    bool        handle_destroyed;
    void      (*queue_callback)(int id, item_t data);
    int         queue_callback_id;
    thread_t    queue_guard_thread;
    thread_id_t queue_guard_thread_id;
    std::map<int, std::string> *js_evaluated;
    int         js_call_nr;
} rkt_webview_t;

#define WEBVIEW_HANDLE(wv) reinterpret_cast<webview_t>(wv->webview_handle)

extern "C" {

RKTWEBVIEW_EXPORT rkt_webview_t *rkt_create_webview();
RKTWEBVIEW_EXPORT result_t rkt_destroy_webview(rkt_webview_t *wv);

RKTWEBVIEW_EXPORT result_t rkt_close_webview(rkt_webview_t *handle);
RKTWEBVIEW_EXPORT result_t rkt_webview_navigate(rkt_webview_t *handle, const char *url);
RKTWEBVIEW_EXPORT result_t rkt_webview_set_html(rkt_webview_t *handle, const char *html);


RKTWEBVIEW_EXPORT result_t rkt_webview_run_js(rkt_webview_t *handle, const char *js);
RKTWEBVIEW_EXPORT item_t rkt_webview_call_js(rkt_webview_t *handle, const char *js);

//RKTWEBVIEW_EXPORT result_t rkt_bind(rkt_webview_t *handle, const char *selector, const char *event);
//RKTWEBVIEW_EXPORT result_t rkt_unbind(rkt_webview_t *handle, const char *selector, const char *event);

RKTWEBVIEW_EXPORT bool rkt_webview_valid(rkt_webview_t *handle);

RKTWEBVIEW_EXPORT int rkt_webview_pending_events(rkt_webview_t *wv);
RKTWEBVIEW_EXPORT item_t rkt_webview_get_event(rkt_webview_t *wv);
RKTWEBVIEW_EXPORT void rkt_webview_register_queue_callback(rkt_webview_t *wv, int id, void(*cb)(int id, item_t item));
RKTWEBVIEW_EXPORT void rkt_webview_destroy_item(item_t item);

RKTWEBVIEW_EXPORT result_t rkt_webview_move(rkt_webview_t *wv, int x, int y);
RKTWEBVIEW_EXPORT result_t rkt_webview_resize(rkt_webview_t *wv, int w, int h);
RKTWEBVIEW_EXPORT result_t rkt_webview_set_title(rkt_webview_t *wv, const char *title);

RKTWEBVIEW_EXPORT result_t rkt_webview_devtools(rkt_webview_t *wv);

RKTWEBVIEW_EXPORT reason_t rkt_webview_last_reason(rkt_webview_t *wv);


}

#endif // RKTWEBVIEW_H