#ifndef CST_TOOLS_INTERNAL_H
#define CST_TOOLS_INTERNAL_H

#include "cst_tools.h"
#include "cst_util.h"

#define READ_FILE_MAX (2 * 1024 * 1024)

/* Value of key, or NULL when absent. */
const char *tool_arg(const ctl_tool_call_t *call, const char *key);
const char *tool_arg_n(const ctl_tool_call_t *call, const char *key,
                       size_t *len);
/* Integer arg, def when absent or empty. */
long tool_arg_long(const ctl_tool_call_t *call, const char *key, long def);
int tool_arg_bool(const ctl_tool_call_t *call, const char *key, int def);

int tool_set_result(cst_tool_result_t *r, const char *s, int code);
int tool_set_resultf(cst_tool_result_t *r, int code, const char *fmt, ...);
int tool_take_buf(cst_tool_result_t *r, cst_buf_t *b, int code);

/* Whole file (NULL when missing, unreadable or larger than max>0). */
char *tool_slurp(const char *full, size_t *out_len, size_t max);
int tool_write_whole(const char *full, const char *data, size_t n);
void tool_ensure_parent_dirs(const char *workspace_root, const char *rel);
void tool_append_diff(cst_buf_t *b, const char *relpath, const char *oldc,
                      size_t olen, const char *newc, size_t nlen);
int tool_is_binary(const char *s, size_t n);
/* Workspace-relative display form of an absolute resolved path. */
const char *tool_rel(const char *workspace_real, const char *full);

int cst_tool_read_file2(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                        cst_tool_result_t *r);
int cst_tool_list_dir(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                      cst_tool_result_t *r);
int cst_tool_glob(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                  cst_tool_result_t *r);
int cst_tool_grep(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                  cst_tool_result_t *r);
int cst_tool_edit_file(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                       cst_tool_result_t *r);
int cst_tool_delete_file(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                         cst_tool_result_t *r);
int cst_tool_move_file(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                       cst_tool_result_t *r);
int cst_tool_todo_write(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                        cst_tool_result_t *r);
int cst_tool_ask_user(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                      cst_tool_result_t *r);
/* Clipboard text (system clipboard, not the workspace). */
int cst_tool_clipboard_read(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                            cst_tool_result_t *r);
int cst_tool_clipboard_write(const cst_tool_ctx_t *ctx,
                             const ctl_tool_call_t *c, cst_tool_result_t *r);
int cst_preview_clipboard_write(const cst_tool_ctx_t *ctx,
                                const ctl_tool_call_t *c, char **out);
int cst_tool_web_fetch(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                       cst_tool_result_t *r);
int cst_tool_web_search(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                        cst_tool_result_t *r);
int cst_tool_download(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                      cst_tool_result_t *r);
int cst_tool_md_to_html(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                        cst_tool_result_t *r);
int cst_preview_md_to_html(const cst_tool_ctx_t *ctx,
                           const ctl_tool_call_t *c, char **out);
int cst_tool_read_pdf(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                      cst_tool_result_t *r);
int cst_tool_session_search(const cst_tool_ctx_t *ctx,
                            const ctl_tool_call_t *c, cst_tool_result_t *r);
int cst_tool_device_info(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                         cst_tool_result_t *r);
int cst_tool_view_image(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                        cst_tool_result_t *r);
int cst_tool_deliver_file(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                          cst_tool_result_t *r);

int cst_preview_write_file(const cst_tool_ctx_t *ctx,
                           const ctl_tool_call_t *c, char **out);
int cst_preview_apply_patch(const cst_tool_ctx_t *ctx,
                            const ctl_tool_call_t *c, char **out);
int cst_preview_edit_file(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                          char **out);
int cst_preview_delete_file(const cst_tool_ctx_t *ctx,
                            const ctl_tool_call_t *c, char **out);
int cst_preview_move_file(const cst_tool_ctx_t *ctx, const ctl_tool_call_t *c,
                          char **out);

#endif