feat: add provider system

lua/chai/autocmds.lua

@@ -0,0 +1,55 @@
+local M = {}
+
+local group = vim.api.nvim_create_augroup('ChaiAutocmds', { clear = true })
+
+local buffers = require('chai.buffers')
+
+local function buffer_handling_init()
+    local create_autocmd = vim.api.nvim_create_autocmd
+
+    create_autocmd('BufEnter', {
+        group = 'ChaiAutocmds',
+        pattern = { 'chai://*' },
+        callback = function (args)
+            buffers.on_enter(args.buf)
+        end
+    })
+
+    create_autocmd({ 'BufDelete' }, {
+        group = 'ChaiAutocmds',
+        pattern = { 'chai://*' },
+        callback = function (args)
+            buffers.on_hide(args.buf)
+        end
+    })
+
+    create_autocmd({ 'BufWipeout' }, {
+        group = 'ChaiAutocmds',
+        pattern = { 'chai://*' },
+        callback = function (args)
+            buffers.destroy_buffer(args.buf)
+        end
+    })
+
+    create_autocmd('BufReadCmd', {
+        group = 'ChaiAutocmds',
+        pattern = { 'chai://*' },
+        callback = function (args)
+            buffers.create_buffer(args.buf)
+        end
+    })
+
+    create_autocmd('BufWriteCmd', {
+        group = 'ChaiAutocmds',
+        pattern = { 'chai://*' },
+        callback = function (args)
+            buffers.on_write(args.buf)
+        end
+    })
+end
+
+function M.setup()
+    buffer_handling_init()
+end
+
+return M

lua/chai/buffers.lua

@@ -0,0 +1,72 @@
+-- buffers API, loads buffers from ./buffers/*.lua
+
+local M = {}
+
+local buffer_list = {
+    'test',
+}
+
+local buffers = {}
+
+function M.setup()
+    -- Init stuff
+end
+
+-- should return created chai buffer
+local function resolve_buffer_path(path)
+    for _, value in ipairs(buffer_list) do
+        local buf = require('chai.buffers.' .. value).check(path)
+        if buf ~= nil then
+            return buf
+        end
+    end
+
+    -- user is idiot imbecyle etc
+    error("Invalid path " .. path)
+end
+
+function M.create_buffer(buffer)
+    buffers[buffer] = resolve_buffer_path(vim.api.nvim_buf_get_name(0))
+    if type(buffers[buffer].init) == 'function' then
+        buffers[buffer].init(buffer)
+    end
+end
+
+function M.destroy_buffer(buffer)
+    if buffers[buffer] == nil then
+        return
+    end
+    if type(buffers[buffer].destroy) == 'function' then
+        buffers[buffer].destroy(buffer)
+    end
+    buffers[buffer] = nil
+end
+
+function M.on_hide(buffer)
+    if buffers[buffer] == nil then
+        return
+    end
+    if type(buffers[buffer].on_hide) == 'function' then
+        buffers[buffer].on_hide(buffer)
+    end
+end
+
+function M.on_enter(buffer)
+    if buffers[buffer] == nil then
+        return
+    end
+    if type(buffers[buffer].on_enter) == 'function' then
+        buffers[buffer].on_enter(buffer)
+    end
+end
+
+function M.on_write(buffer)
+    if buffers[buffer] == nil then
+        return
+    end
+    if type(buffers[buffer].on_write) == 'function' then
+        buffers[buffer].on_write(buffer)
+    end
+end
+
+return M

lua/chai/buffers/test.lua

@@ -0,0 +1,34 @@
+local M = {}
+
+local Buffer = {}
+
+function Buffer.init(vim_buffer)
+    vim.api.nvim_buf_set_lines(vim_buffer, 0, -1, false, { "press q to exit" })
+
+    local provider_list = { "Providers:" }
+
+    for key, value in pairs(require('chai.config').options.providers) do
+        table.insert(provider_list, key .. " " .. value.url)
+    end
+
+    vim.api.nvim_buf_set_lines(vim_buffer, 3, -1, false, provider_list)
+
+    vim.keymap.set({ "n", "x" }, "q", function()
+        vim.api.nvim_buf_delete(vim_buffer, { force = true })
+    end, { buffer = vim_buffer })
+
+    vim.bo[vim_buffer].modifiable = false
+    vim.bo[vim_buffer].modified = false
+end
+
+function M.check(path)
+    if string.match(path, '^chai://test/?$') then
+        local buffer = vim.deepcopy(Buffer)
+        buffer.args = {}
+
+        return buffer
+    end
+    return nil
+end
+
+return M

lua/chai/config.lua

@@ -1,7 +1,7 @@
 local M = {}
 
 M.defaults = {
-    servers = {},
+    providers = {},
 }
 
 M.options = {}

lua/chai/init.lua

@@ -1,6 +1,8 @@
 local M = {}
 
 local config = require('chai.config')
+local autocmds = require('chai.autocmds')
+local buffers = require('chai.buffers')
 local commands = require('chai.commands')
 
 --- initializes chai.nvim plugin
@@ -9,6 +11,9 @@ function M.setup(opts)
     -- set up configuration
     config.setup(opts)
 
+    buffers.setup()
+    autocmds.setup()
+
     -- add commands
     commands.setup()
 end

lua/chai/providers.lua

@@ -0,0 +1,26 @@
+local M = {}
+
+local config = require('chai.config')
+
+local provider_instances = {}
+
+-- lazy loads providers of course
+function M.get_provider(name)
+    if provider_instances[name] ~= nil then
+        return provider_instances[name]
+    end
+
+    if config.options.providers[name] == nil then
+        error('unknown provider')
+    end
+
+    local provider_config = config.options.providers[name]
+
+    local provider = require('chai.providers.' .. provider_config.type)
+
+    local provider_instance = provider.init(provider_config)
+    provider_instances[name] = provider_instance
+    return provider_instance
+end
+
+return M

lua/chai/providers/gitea/init.lua

@@ -0,0 +1,12 @@
+local M
+
+local GiteaProvider = {}
+
+function M.init(config)
+    local provider = vim.deepcopy(GiteaProvider)
+    provider.config = config
+
+    return provider
+end
+
+return M

lua/chai/providers/github/init.lua

@@ -0,0 +1,12 @@
+local M
+
+local GithubProvider = {}
+
+function M.init(config)
+    local provider = vim.deepcopy(GithubProvider)
+    provider.config = config
+
+    return provider
+end
+
+return M