<?php
// Get all comments from comment section by ID and base methods for managing comment sections


// Includes
if ($IS_FRONTEND) {
	require_once("api/_auth.php");
	require_once("api/_utils.php");
	require_once("api/_errorslist.php");
	require_once("api/_types.php");
	require_once("api/user/index.php");
} else {
	require_once("../_auth.php");
	require_once("../_utils.php");
	require_once("../_errorslist.php");
	require_once("../_types.php");
	require_once("../user/index.php");
}


// Functions

/*
 * FUNCTION
 * Get comments from range of selected comment section
 */
function Comments_GetSectionRange (int $sec_id, int $ts_from = 0, int $ts_to = 0xffffffff): ReturnT {
	global $db, $LOGGED_IN, $THIS_USER;

	$result = array();

	$s = $db->prepare("SELECT * FROM comments WHERE comment_section_id=? AND created_at>=? AND created_at<=? ORDER BY created_at");
	$s->bind_param("sss", $sec_id, date("Y-m-d H:i:s", $ts_from), date("Y-m-d H:i:s", $ts_to));
	$s->execute();
	$d = $s->get_result();

	if (!(bool)$d)
		return new ReturnT(data: $result);

	$isAdmin = false;
	if ($LOGGED_IN && User_HasRole($THIS_USER, "admin")->GetData())
		$isAdmin = true;

	while ($row = $d->fetch_array()) {
		if (!$isAdmin && $row["needs_check"])
			continue;

		$newResultRow = array(
			"id" => $row["id"],
			"author_id" => $row["author_id"],
			"created_at" => $row["created_at"],
			"contents" => $row["contents"]
		);

		if ($isAdmin)
			$newResultRow["needs_check"] = (bool)$row["needs_check"];

		$result[] = $newResultRow;
	}

	return new ReturnT(data: $result);
}


// Methods

/*
 * METHOD
 * Get comments from range of selected comment section
 */
function Comments_GetSectionRange_Method (array $req): ReturnT {
	// Input sanity checks

	$SectionID = null;
	$TSFrom = 0;
	$TSTo = 0xffffffff;

	if (isset($req["id"])) {
		if (!ctype_digit($req["id"]))
			return new ReturnT(err_code: E_UIN_BADARGS, err_desc: "id must be numeric");
		$SectionID = intval($req["id"]);
	} else {
		return new ReturnT(err_code: E_UIN_INSUFARGS, err_desc: "id must be specified");
	}

	if (isset($req["ts_from"])) {
		$TSFrom = $req["ts_from"];

		if (strlen($TSFrom) > 24)
			return new ReturnT(err_code: E_UIN_BADARGS, err_desc: "start timestamp cant be this long");

		if (!ctype_digit($TSFrom))
			return new ReturnT(err_code: E_UIN_BADARGS, err_desc: "start timestamp must be numeric");

		$TSFrom = intval($TSFrom);

		if ($TSFrom > 0xffffffff)
			return new ReturnT(err_code: E_UIN_BADARGS, err_desc: "start timestamp cant be bigger than INT32_MAX");
	}

	if (isset($req["ts_to"])) {
		$TSTo = $req["ts_to"];

		if (strlen($TSTo) > 24)
			return new ReturnT(err_code: E_UIN_BADARGS, err_desc: "start timestamp cant be this long");

		if (!ctype_digit($TSTo))
			return new ReturnT(err_code: E_UIN_BADARGS, err_desc: "start timestamp must be numeric");

		$TSTo = intval($TSTo);

		if ($TSTo > 0xffffffff)
			return new ReturnT(err_code: E_UIN_BADARGS, err_desc: "start timestamp cant be bigger than INT32_MAX");
	}

	if ($TSTo < $TSFrom)
		return new ReturnT(err_code: E_UIN_BADARGS, err_desc: "start timestamp cant be bigger than end timestamp");

	// Actions

	return Comments_GetSectionRange($SectionID, $TSFrom, $TSTo);
}


if (Utils_ThisFileIsRequested(__FILE__)) {
	require_once("../_json.php");

	$result = Comments_GetSectionRange_Method($_REQUEST);

	if ($result->IsError())
		$result->ThrowJSONError();
	else
		JSON_ReturnData($result->GetData());
}

?>