From 31e602e8c9f2abb1b058ca80382acf07a2075cd5 Mon Sep 17 00:00:00 2001
From: Navid Sassan <navid.sassan@linuxfabrik.ch>
Date: Mon, 5 Sep 2022 09:43:26 +0200
Subject: [PATCH] first working prototype

---
 lua/ansible/init.lua | 149 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 149 insertions(+)
 create mode 100644 lua/ansible/init.lua

diff --git a/lua/ansible/init.lua b/lua/ansible/init.lua
new file mode 100644
index 0000000..d07da8a
--- /dev/null
+++ b/lua/ansible/init.lua
@@ -0,0 +1,149 @@
+-- TODO
+-- reuse existing split
+-- use fqcn as buffer name
+-- add function to convert to fqcn, with telescope dropdown if there are multiple options
+-- telescope window to search through all available module names, enter inserts, other key opens doc in split
+
+
+local ts_utils = require("nvim-treesitter.ts_utils")
+
+local M = {}
+
+M.example = function()
+    local lines = {}
+
+    local current_line_nr = 1
+    local buf_handle = vim.api.nvim_win_get_buf(0)
+    local last_line_nr = vim.api.nvim_buf_line_count(buf_handle)
+    while (current_line_nr <= last_line_nr) do
+        -- skip empty lines
+        if vim.fn.getline(current_line_nr) == '' then
+            print('skipping ' .. current_line_nr)
+            current_line_nr = current_line_nr + 1
+        else
+            vim.api.nvim_win_set_cursor(0, {current_line_nr, 1})
+            local node = ts_utils.get_node_at_cursor(0)
+            local parent = node:parent()
+            while (parent ~= nil and node:type() ~= 'block_mapping_pair') do
+                node = parent
+                parent = node:parent()
+            end
+            -- ts_utils.update_selection(0, node)
+            local start_row, start_column, end_row, end_column = node:range()
+            -- vim.api.nvim_command(start_row + 1 .. ',' .. end_row + 1 .. 's/\\n/`')
+            -- print(start_row)
+            -- print(end_row)
+
+            lines[current_line_nr] = vim.fn.getline(start_row + 1, end_row + 1)
+
+            current_line_nr = current_line_nr + 1 + (end_row - start_row)
+        end
+    end
+
+    -- sort does not work if the index is not a continuous integer, so lets make sure it is. if we are sure that we dont need the original line number, we can do this from the start in `lines`
+    a = {}
+    for i,v in pairs(lines) do table.insert(a, v) end
+    table.sort(
+        a,
+        function(k1, k2)
+            return k1[1] < k2[1]
+        end
+    )
+
+    insert_row = 1
+    last_prefix = vim.split(a[1][1], '__')[1]
+    for _, lines in ipairs(a) do
+        current_prefix = vim.split(lines[1], '__')[1]
+        if current_prefix ~= last_prefix then
+            vim.fn.setline(insert_row, '')
+            insert_row = insert_row + 1
+        end
+        last_prefix = current_prefix
+        for i, line in ipairs(lines) do
+            vim.fn.setline(insert_row, line)
+            insert_row = insert_row + 1
+        end
+    end
+
+    -- nvim_put()
+    -- *nvim_set_current_line()*
+
+    -- if multiline:
+    -- vim.api.nvim_command("'<,'>s/\\n/`")
+end
+
+
+M.display_ansible_doc = function(keyword)
+
+    local Job = require'plenary.job'
+
+    -- local keyword = 'get_url'
+    local doc = {}
+
+    Job:new({
+        command = 'ansible-doc',
+        args = { keyword },
+        on_exit = function(j, return_val)
+            -- print(return_val)
+            -- print(vim.inspect(j:result()))
+            doc = j:result()
+        end,
+    }):sync() -- or start()
+
+    -- TODO unlisted / scratch buffer?
+    local fqcn = string.lower(vim.split(doc[1], ' ')[2])
+
+    vim.api.nvim_command('vsplit ' .. fqcn)
+
+    local win_handle = vim.api.nvim_tabpage_get_win(0)
+    local buf_handle = vim.api.nvim_win_get_buf(0)
+
+    vim.api.nvim_buf_set_lines(buf_handle, 0, -1, false, doc)
+
+    vim.api.nvim_buf_set_option(buf_handle, 'readonly', true)
+    vim.api.nvim_buf_set_option(buf_handle, 'modifiable', false)
+
+    -- Now we set some options for our buffer.
+    -- nofile prevent mark buffer as modified so we never get warnings about not saved changes.
+    -- Also some plugins treat nofile buffers different.
+    -- For example coc.nvim don't triggers aoutcompletation for these.
+    vim.api.nvim_buf_set_option(buf_handle, 'buftype', 'nofile')
+    -- We do not need swapfile for this buffer.
+    vim.api.nvim_buf_set_option(buf_handle, 'swapfile', false)
+    -- And we would rather prefer that this buffer will be destroyed when hide.
+    vim.api.nvim_buf_set_option(buf_handle, 'bufhidden', 'wipe')
+    -- It's not necessary but it is good practice to set custom filetype.
+    -- This allows users to create their own autocommand or colorschemes on filetype.
+    -- and prevent collisions with other plugins.
+    vim.api.nvim_buf_set_option(buf_handle, 'filetype', 'ansible-doc')
+
+    -- vim.api.nvim_command('wincmd p') -- go back to previous window
+end
+
+
+M.replace_fqcn = function()
+
+    local Job = require'plenary.job'
+
+    -- keyword = 'get_url'
+    doc = {}
+
+    Job:new({
+        command = 'ansible-doc',
+        args = { keyword },
+        on_exit = function(j, return_val)
+            -- print(return_val)
+            -- print(vim.inspect(j:result()))
+            doc = j:result()
+        end,
+    }):sync() -- or start()
+
+    fqcn = string.lower(vim.split(doc[1], ' ')[2])
+    cur_pos = vim.api.nvim_win_get_cursor(0)
+
+    buf_handle = vim.api.nvim_win_get_buf(0)
+    vim.api.nvim_buf_set_lines(buf_handle, 0, -1, false, doc)
+
+end
+
+return M