class_name BugbotServerJiraAPI
extends "res://addons/Bugbot/Scripts/server_api.gd"

##region Consts
const DEFAULT_SERVER : StringName = &"https://jira.example.com"
const DEFAULT_REST_URI : StringName = &"rest/"
const DEFAULT_PROJECT_NAME : StringName = &"ProjectName"
const DEFAULT_EMAIL : StringName = &"jira@example.com"
const DEFAULT_API_KEY : StringName = &"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz01234=12345678"
const DEFAULT_BUG_ISSUE_TYPE : StringName = &"Bug"
const DEFAULT_MAP_NAME_FIELD : StringName = &"Map Name"
const DEFAULT_MARKER_LOCATION_FIELD : StringName = &"Marker Location"
const DEFAULT_DEPARTMENT_FIELD : StringName = &""
const DEFAULT_SEVERITY_FIELD : StringName = &""
const DEFAULT_PLATFORM_FIELD : StringName = &""
const DEFAULT_VERSION_FIELD : StringName = &""

const DEFAULT_UNRESOLVED_STATUSES : Array = [&"To Do"]
const DEFAULT_IN_PROGRESS_STATUSES : Array = [&"In Progress"]
const DEFAULT_RESOLVED_STATUSES : Array = [&"Done"]
#endregion


func __return_list_of_bugs_thread(map_name:String, callback:Callable) -> void:
	var http_client : HTTPClient = HTTPClient.new()
	if __connect_to_server(http_client, ProjectSettings.get_setting("bugbot/reporting/jira/server", DEFAULT_SERVER)) != HTTPClient.STATUS_CONNECTED:
		printerr("Could not connect to server.")
		return
	
	var header_data : Array = __create_header_data()
	var server_data : BugbotJiraServerData = __get_server_data(http_client, header_data)
	
	var project_name : String = ProjectSettings.get_setting("bugbot/reporting/jira/project_name", DEFAULT_PROJECT_NAME)
	var url_string : String = "api/2/search"
	var post_data : Dictionary = {
		"jql": "project=\"%s\"" % [project_name],
		"fields": ["summary", "description", "issuetype", "status"]
	}
	if not server_data.map_name_field_key.is_empty(): post_data["fields"].append(server_data.map_name_field_key)
	#if not server_data.department_field_key.is_empty(): post_data["fields"].append(server_data.department_field_key)
	if not server_data.marker_location_field_key.is_empty(): post_data["fields"].append(server_data.marker_location_field_key)
	if not server_data.severity_field_key.is_empty(): post_data["fields"].append(server_data.severity_field_key)
	if not server_data.platform_field_key.is_empty(): post_data["fields"].append(server_data.platform_field_key)
	#if not server_data.version_field_key.is_empty(): post_data["fields"].append(server_data.version_field_key)
	var post_data_string : String = JSON.stringify(post_data)
	header_data = __create_header_data(post_data_string.length())
	
	var error : int = http_client.request(HTTPClient.METHOD_POST, __build_url_string(url_string), header_data, post_data_string)
	assert(error == Error.OK)
	while http_client.get_status() == HTTPClient.STATUS_REQUESTING:
		http_client.poll()
	assert(http_client.get_status() == HTTPClient.STATUS_BODY or http_client.get_status() == HTTPClient.STATUS_CONNECTED)
	var issue_response_string : String = __get_http_client_chunk_response(http_client)
	
	var bug_array : Array
	var issue_response : Dictionary = JSON.parse_string(issue_response_string)
	if issue_response:
		var issues_array : Array = issue_response["issues"]
		for issue:Dictionary in issues_array:
			var label_dict : Dictionary = {
				"show_unresolved": ProjectSettings.get_setting("bugbot/markers/unresolved/show_unresolved_bugs", true),
				"show_in_progress": ProjectSettings.get_setting("bugbot/markers/in_progress/show_in_progress_bugs", true),
				"show_resolved": ProjectSettings.get_setting("bugbot/markers/resolved/show_resolved_bugs", false),
				
				"unresolved_labels": ProjectSettings.get_setting("bugbot/reporting/jira/status_labels/unresolved_statuses", DEFAULT_UNRESOLVED_STATUSES),
				"in_progress_labels": ProjectSettings.get_setting("bugbot/reporting/jira/status_labels/in_progress_statuses", DEFAULT_IN_PROGRESS_STATUSES),
				"resolved_labels": ProjectSettings.get_setting("bugbot/reporting/jira/status_labels/resolved_statuses", DEFAULT_RESOLVED_STATUSES),
			}
			var bug : BugbotBugData = __create_bug_data_from_server_response(issue, map_name, label_dict, server_data, true)
			if bug:
				bug_array.append(bug)
	
	callback.call_deferred(bug_array)
	__bugbot_server_thread.call_deferred("wait_to_finish")

func __prepare_form_thread(callback:Callable) -> void:
	var http_client : HTTPClient = HTTPClient.new()
	if __connect_to_server(http_client, ProjectSettings.get_setting("bugbot/reporting/jira/server", DEFAULT_SERVER)) != HTTPClient.STATUS_CONNECTED:
		printerr("Could not connect to server.")
		return
	
	var header_data : Array = __create_header_data()
	var server_data : BugbotJiraServerData = __get_server_data(http_client, header_data)
	
	# Send a query to retrieve issue types
	var url_string : String = "api/2/issue/createmeta/%d/issuetypes?" % [server_data.project_id]
	var error : int = http_client.request(HTTPClient.METHOD_GET, __build_url_string(url_string), header_data)
	assert(error == Error.OK)
	while http_client.get_status() == HTTPClient.STATUS_REQUESTING:
		http_client.poll()
	assert(http_client.get_status() == HTTPClient.STATUS_BODY or http_client.get_status() == HTTPClient.STATUS_CONNECTED)
	var issue_response_string : String = __get_http_client_chunk_response(http_client)
	var issue_response : Dictionary = JSON.parse_string(issue_response_string)
	
	var bug_issue_type : String = ProjectSettings.get_setting("bugbot/reporting/jira/bug_issue_type", DEFAULT_BUG_ISSUE_TYPE)
	var bug_issue_id : int = -1
	for issue_type:Dictionary in issue_response["issueTypes"]:
		if issue_type["name"] == bug_issue_type:
			bug_issue_id = int(issue_type["id"])
			break
	
	# Send a query to retrieve field options
	url_string = "api/2/issue/createmeta/%d/issuetypes/%d" % [server_data.project_id, bug_issue_id]
	error = http_client.request(HTTPClient.METHOD_GET, __build_url_string(url_string), header_data)
	assert(error == Error.OK)
	while http_client.get_status() == HTTPClient.STATUS_REQUESTING:
		http_client.poll()
	assert(http_client.get_status() == HTTPClient.STATUS_BODY or http_client.get_status() == HTTPClient.STATUS_CONNECTED)
	var field_response_string : String = __get_http_client_chunk_response(http_client)
	var field_response : Dictionary = JSON.parse_string(field_response_string)
	
	var tag_lists : Array
	tag_lists.resize(BugbotTagArray.MAX)
	tag_lists[BugbotTagArray.VERSION] = []
	tag_lists[BugbotTagArray.HARDWARE] = []
	tag_lists[BugbotTagArray.OS] = []
	tag_lists[BugbotTagArray.COMPONENT] = []
	tag_lists[BugbotTagArray.SEVERITY] = []
	#var version_prefix : String = ProjectSettings.get_setting("bugbot/reporting/gitea/status_labels/version_label_prefix", DEFAULT_VERSION_LABEL_PREFIX)
	var platform_field_name : String = ProjectSettings.get_setting("bugbot/reporting/jira/optional_fields/platform_field", DEFAULT_PLATFORM_FIELD)
	var severity_field_name : String = ProjectSettings.get_setting("bugbot/reporting/jira/optional_fields/severity_field", DEFAULT_SEVERITY_FIELD)
	for field:Dictionary in field_response["fields"]:
		if (field["name"] as String) == severity_field_name:
			for value:Dictionary in field["allowedValues"]:
				tag_lists[BugbotTagArray.SEVERITY].append({ "name": value["value"], "id": int(value["id"]) })
			continue
#		if (field["name"] as String) == platform_field_name:
#			for value:Dictionary in field["allowedValues"]:
#				tag_lists[BugbotTagArray.OS].append(value["value"])
#			continue
	
	callback.call_deferred(tag_lists)
	__bugbot_server_thread.call_deferred("wait_to_finish")

func __send_form_data_thread(data:Dictionary, map_name:String, bug_position:Vector3, bug_normal:Vector3, callback:Callable) -> void:
	var http_client : HTTPClient = HTTPClient.new()
	if __connect_to_server(http_client, ProjectSettings.get_setting("bugbot/reporting/jira/server", DEFAULT_SERVER)) != HTTPClient.STATUS_CONNECTED:
		printerr("Could not connect to server.")
		return
	
	var header_data : Array = __create_header_data()
	var server_data : BugbotJiraServerData = __get_server_data(http_client, header_data)
	
	var project_name : String = ProjectSettings.get_setting("bugbot/reporting/jira/project_name", DEFAULT_PROJECT_NAME)
	var bug_issue_type : String = ProjectSettings.get_setting("bugbot/reporting/jira/bug_issue_type", DEFAULT_BUG_ISSUE_TYPE)
	var marker_location : String = "%.4f,%.4f,%.4f:%.4f,%.4f,%.4f" % [bug_position.x, bug_position.y, bug_position.z, bug_normal.x, bug_normal.y, bug_normal.z]
	var post_data : Dictionary = {
		"fields": {
			"project": { "key" : server_data.project_key },
			"summary": data["title"],
			"description": data["body"],
			"issuetype": { "name": bug_issue_type },
			server_data.map_name_field_key: map_name,
			server_data.marker_location_field_key: marker_location,
		}
	}
	if data["labels"].has("severity"): post_data["fields"][server_data.severity_field_key] = { "value": data["labels"]["severity"]["name"] }
	
	var post_data_string : String = JSON.stringify(post_data)
	header_data = __create_header_data(post_data_string.length())
	
	var error : int = http_client.request(HTTPClient.METHOD_POST, __build_url_string("api/2/issue"), header_data, post_data_string)
	assert(error == Error.OK)
	while http_client.get_status() == HTTPClient.STATUS_REQUESTING:
		http_client.poll()
	assert(http_client.get_status() == HTTPClient.STATUS_BODY or http_client.get_status() == HTTPClient.STATUS_CONNECTED)
	var post_response_data : Variant = JSON.parse_string(__get_http_client_chunk_response(http_client))
	if __validate_server_response(post_response_data) != Error.OK:
		return
	
	var bug_data : BugbotBugData = BugbotBugData.new()
	bug_data.id = int(post_response_data["id"])
	bug_data.title = post_data["fields"]["summary"]
	bug_data.body = post_data["fields"]["description"]
	bug_data.map_name = map_name
	bug_data.marker_position = bug_position
	bug_data.marker_normal = bug_normal
	if post_data["fields"].has(server_data.platform_field_key): bug_data.platform = post_data["fields"][server_data.platform_field_key]["value"]
	if post_data["fields"].has(server_data.severity_field_key): bug_data.platform = post_data["fields"][server_data.severity_field_key]["value"]
	bug_data.resolution = BugbotServerAPI.UNRESOLVED_TAG
	
	callback.call_deferred(bug_data)
	__bugbot_server_thread.call_deferred("wait_to_finish")


func _current_server_api() -> String:
	return "Jira"

func __build_url_string(_api_suffix:String) -> String:
	return "/" +																			\
		ProjectSettings.get_setting("bugbot/reporting/jira/REST_URI", DEFAULT_REST_URI) +	\
		_api_suffix

func __create_header_data(content_length:int = -1) -> Array:
	var header : Array = [
		"User-Agent: Pirulo/1.0 (Godot)",
		"Accept: application/json",
	]
	header.append("Authorization: Basic " + __generate_auth_string())
	if content_length >= 0:
		header.append("Content-Type: application/json")
		header.append("Content-Length: " + String.num_uint64(content_length))
	return header

func __generate_auth_string() -> String:
	var email : String = ProjectSettings.get_setting("bugbot/reporting/jira/email", DEFAULT_EMAIL)
	var api_key : String = ProjectSettings.get_setting("bugbot/reporting/jira/API_key", DEFAULT_API_KEY)
	return Marshalls.utf8_to_base64(email.to_lower() +	":" + api_key)

func __validate_server_response(_response:Variant) -> int:
	# If the response has an errorMessages field, make the assumption that this
	# is because the response was an error code.
	if _response.has("errors"):
		for message:String in _response["errors"]:
			var error_data : BugbotErrorData = BugbotErrorData.new()
			error_data.code = 1
			error_data.message = message
			printerr(error_data.message)
		__bugbot_server_thread.call_deferred("wait_to_finish")
		return Error.FAILED
	if _response.has("errorMessages"):
		for message:String in _response["errorMessages"]:
			var error_data : BugbotErrorData = BugbotErrorData.new()
			error_data.code = 1
			error_data.message = message
			printerr(error_data.message)
		__bugbot_server_thread.call_deferred("wait_to_finish")
		return Error.FAILED
	return Error.OK

func __create_bug_data_from_server_response(bug_in:Dictionary, map_name:String, label_dict:Dictionary, server_data:BugbotJiraServerData, validate_labels:bool) -> BugbotBugData:
	var bug : BugbotBugData = BugbotBugData.new()
	
	var fields : Dictionary = bug_in["fields"]
	var status : Dictionary = fields["status"]
	var status_name : String = status["name"]
	
	if not fields.has(server_data.map_name_field_key) or fields[server_data.map_name_field_key].is_empty() or \
		not fields.has(server_data.marker_location_field_key) or fields[server_data.marker_location_field_key].is_empty():
		return null
	
	if not fields.has(server_data.map_name_field_key) or fields[server_data.map_name_field_key] != map_name:
		return null
	bug.map_name = fields[server_data.map_name_field_key]
	var position_and_normal : PackedStringArray = (fields[server_data.marker_location_field_key] as String).split(":")
	if position_and_normal.size() != 2:
		printerr("Invalid data found for ", server_data.marker_location_field_key)
		return null
	var position : PackedStringArray = position_and_normal[0].split(",")
	var normal : PackedStringArray = position_and_normal[1].split(",")
	if position.size() < 3 or normal.size() < 3:
		printerr("Invalid data found for ", server_data.marker_location_field_key)
		return null
	bug.marker_position = Vector3(float(position[0]), float(position[1]), float(position[2]))
	bug.marker_normal = Vector3(float(normal[0]), float(normal[1]), float(normal[2]))

	# Find which statuses apply to this bug.
	var resolved_tag_found : bool = false
	var in_progress_tag_found : bool = false
	var unresolved_tag_found : bool = false
	if (label_dict["resolved_labels"] as Array).has(status_name):
		resolved_tag_found = true
	if (label_dict["in_progress_labels"] as Array).has(status_name):
		in_progress_tag_found = true
	if (label_dict["unresolved_labels"] as Array).has(status_name):
		unresolved_tag_found = true

	# Figure out which resolution tag to prioritise, and whether we should show the marker.
	var show_marker : bool
	if resolved_tag_found:
		bug.resolution = BugbotServerAPI.RESOLVED_TAG
		show_marker = label_dict["show_resolved"] as bool
	elif in_progress_tag_found:
		bug.resolution = BugbotServerAPI.IN_PROGRESS_TAG
		show_marker = label_dict["show_in_progress"] as bool
	elif unresolved_tag_found or (label_dict["unresolved_labels"] as Array).is_empty():
		bug.resolution = BugbotServerAPI.UNRESOLVED_TAG
		show_marker = label_dict["show_unresolved"] as bool
	if validate_labels and not show_marker:
		return null
	
	bug.id = bug_in["id"]
	bug.title = fields["summary"]
	if fields["description"]: bug.body = fields["description"]
	bug.component = &"Unused"
	bug.platform = &"Unused"
	bug.operating_system = &"Unused"
	bug.severity = fields[server_data.severity_field_key]["value"]
	bug.status = status_name
	
	return bug


func __get_server_data(http_client:HTTPClient, header_data:Array) -> BugbotJiraServerData:
	var server_data : BugbotJiraServerData = BugbotJiraServerData.new()
	server_data.timestamp = Time.get_ticks_msec()
	
	var api_url : String = __build_url_string("api/2/project")
	var error : int = http_client.request(HTTPClient.METHOD_GET, api_url, header_data)
	assert(error == Error.OK)
	while http_client.get_status() == HTTPClient.STATUS_REQUESTING:
		http_client.poll()
	assert(http_client.get_status() == HTTPClient.STATUS_BODY or http_client.get_status() == HTTPClient.STATUS_CONNECTED)
	var project_response_string : String = __get_http_client_chunk_response(http_client)
	
	api_url = __build_url_string("api/2/field")
	error = http_client.request(HTTPClient.METHOD_GET, api_url, header_data)
	assert(error == Error.OK)
	while http_client.get_status() == HTTPClient.STATUS_REQUESTING:
		http_client.poll()
	assert(http_client.get_status() == HTTPClient.STATUS_BODY or http_client.get_status() == HTTPClient.STATUS_CONNECTED)
	var fields_response_string : String = __get_http_client_chunk_response(http_client)
	
	server_data.project_name = ProjectSettings.get_setting("bugbot/reporting/jira/project_name", DEFAULT_PROJECT_NAME)
	var project_response : Array = JSON.parse_string(project_response_string)
	for project:Dictionary in project_response:
		if project["name"] == server_data.project_name:
			server_data.project_id = project["id"]
			server_data.project_key = project["key"]
			server_data.project_avatar_uri = project["avatarUrls"]["48x48"]
			break
	
	if server_data.project_id < 0:
		printerr(server_data.project_name + " could not not found.")
		return null
	
	var map_name_field_name : String = ProjectSettings.get_setting("bugbot/reporting/jira/map_name_field", DEFAULT_MAP_NAME_FIELD)
	var marker_location_field_name : String = ProjectSettings.get_setting("bugbot/reporting/jira/marker_location_field", DEFAULT_MARKER_LOCATION_FIELD)
	var severity_field_name : String = ProjectSettings.get_setting("bugbot/reporting/jira/optional_fields/severity_field", DEFAULT_SEVERITY_FIELD)
	var platform_field_name : String = ProjectSettings.get_setting("bugbot/reporting/jira/optional_fields/platform_field", DEFAULT_PLATFORM_FIELD)
	
	var fields_response : Array = JSON.parse_string(fields_response_string)
	for field:Dictionary in fields_response:
		if field.has("scope") and int(field["scope"]["project"]["id"]) != server_data.project_id:
			continue
		
		var field_name : String = field["name"]
		if field_name == map_name_field_name:
			server_data.map_name_field_key = field["key"]
			continue
		if field_name == marker_location_field_name:
			server_data.marker_location_field_key = field["key"]
			continue
		if field_name == severity_field_name:
			server_data.severity_field_key = field["key"]
			continue
		if field_name == platform_field_name:
			server_data.platform_field_key = field["key"]
			continue
#		if field_name == ProjectSettings.get_setting("bugbot/reporting/jira/optional_fields/department_field", DEFAULT_DEPARTMENT_FIELD):
#			server_data.department_field_key = field["key"]
#			continue
#		if field_name == ProjectSettings.get_setting("bugbot/reporting/jira/optional_fields/version_field", DEFAULT_VERSION_FIELD):
#			server_data.version_field_key = field["key"]
#			continue
	
	var map_name_error : bool = false
	var marker_location_error : bool = false
	if server_data.map_name_field_key.is_empty():
		printerr("Must have a custom field named " + map_name_field_name)
		map_name_error = true
	if server_data.marker_location_field_key.is_empty():
		printerr("Must have a custom field named " + marker_location_field_name)
		marker_location_error = true
	if map_name_error or marker_location_error:
		return null
	
	return server_data


class BugbotJiraServerData:
	var project_name : String
	var project_id : int = -1
	var project_key : String
	var project_avatar_uri : String
	var map_name_field_key : String
	var marker_location_field_key : String
	var department_field_key : String
	var severity_field_key : String
	var platform_field_key : String
	var version_field_key : String
	
	var timestamp : int