From fae1d44a8c040c20702eddf228befb89b79eda19 Mon Sep 17 00:00:00 2001
From: Daniel Weipert <code@drogueronin.de>
Date: Sat, 27 Nov 2021 19:23:17 +0100
Subject: Add comments and slight refactor

---
 lua/rclone.lua | 39 ++++++++++++++++++++++++++++++---------
 1 file changed, 30 insertions(+), 9 deletions(-)

diff --git a/lua/rclone.lua b/lua/rclone.lua
index e7c84cd..924b7d8 100644
--- a/lua/rclone.lua
+++ b/lua/rclone.lua
@@ -1,12 +1,15 @@
 local config_file = ''
 local config_dir = ''
 
+---
+-- Find config file and set global variables
+--
+-- @return string
 local function find_config_file()
     if config_file ~= '' then
     	return config_file
     end
 
-    -- TODO: find config file
     local scandir = require('plenary.scandir').scan_dir
     local Path = require('plenary.path')
 
@@ -17,28 +20,42 @@ local function find_config_file()
 	    if string.find(file, 'rclone.conf') then
 		config_file = file
 		config_dir = current_dir.filename
-		break
+
+		return config_file
 	    end
 	end
 
+	--if current_dir:is_root() then
+	if current_dir.filename == '/' then
+	    return ''
+	end
+
 	current_dir = current_dir:parent()
     end
-
-    return config_file
 end
 
+---
+-- Get rclone config as JSON
+-- and parse to table
+--
+-- @return string
 local function get_config()
-    -- TODO: rclone config dump --config=find_config_file()
     local handle = io.popen('rclone config dump --config=' .. find_config_file(), 'r')
     local config = handle:read('*all');
     handle:close()
 
-    return config
+    return vim.fn.json_decode(config)
 end
 
+---
+-- Get the desired remote config from the config file
+--
+-- @param remote string
+--
+-- @return string
+-- @return table
 local function get_remote_config(remote)
-    -- TODO: read json from get_config() and get default remote
-    local config = vim.fn.json_decode(get_config())
+    local config = get_config()
     local target_remote = nil
     local target_config = nil
 
@@ -77,8 +94,12 @@ local function get_remote_config(remote)
     return target_remote, target_config
 end
 
+---
+-- Call the 'rclone copy' command with config values
+-- 'rclone copy $LOCAL_PATH $REMOTE:$REMOTE_PATH --config=find_config_file()'
+--
+-- @return any
 local function copy()
-    -- TODO: rclone copy $LOCAL_PATH $REMOTE:$REMOTE_PATH --config=find_config_file()
     local Path = require('plenary.path')
     local remote, config = get_remote_config()
 
-- 
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