-- load the standard vis module (provides the Lua API)
require('vis')

-- ~/.config/vis/fzf.lua and ~/.config/vis/build.lua
local fzf = require('fzf')
local build = require('build')

-- ---------------------------------------------------------------------------
-- Odin syntax highlighting (lexer lives in ~/.config/vis/lexers/odin.lua)
-- ---------------------------------------------------------------------------
if vis.ftdetect then
	if vis.ftdetect.extensions then        -- newer vis (git master)
		vis.ftdetect.extensions.odin = 'odin'
	end
	if vis.ftdetect.filetypes then         -- vis 0.9 and earlier
		vis.ftdetect.filetypes.odin = { ext = { '%.odin$' } }
	end
end

-- ---------------------------------------------------------------------------
-- Global options, key mappings and commands
-- ---------------------------------------------------------------------------
vis.events.subscribe(vis.events.INIT, function()
	vis:command('set escdelay 15')
	vis:command('set autoindent on')
	vis:command('set theme custom')

	-- pickers
	vis:map(vis.modes.NORMAL, '<C-p>', fzf.files, 'Fuzzy find / create a file')
	vis:map(vis.modes.NORMAL, '<C-f>', fzf.grep, 'Live grep the project with ripgrep')
	vis:command_register('files', function() fzf.files() return true end, 'Fuzzy find / create a file')
	vis:command_register('grep', function() fzf.grep() return true end, 'Live grep the project with ripgrep')
	vis:command_register('fm', function() fzf.fm() return true end, 'Pick a file with a terminal file manager')

	vis:map(vis.modes.NORMAL, '<C-b>', function() build.run({}) end, 'Run ./build.sh')
	vis:command_register('build', function(argv)
		local args = {}
		for i = 1, #argv do table.insert(args, argv[i]) end
		build.run(args)
		return true
	end, 'Run ./build.sh with optional flags, e.g. :build run')
end)

-- ---------------------------------------------------------------------------
-- Per-window options
-- ---------------------------------------------------------------------------
vis.events.subscribe(vis.events.WIN_OPEN, function(win) -- luacheck: no unused args
	vis:command('set tabwidth 4')
	vis:command('set expandtab on')
	vis:command('set number on')
end)