require('vis')

local pickers = require('pickers')
local build = require('build')

require('plugins/vis-ctags')

-- ---------------------------------------------------------------------------
-- Syntax highlighting:  ~/.config/vis/lexers/odin.lua
-- ---------------------------------------------------------------------------
if vis.ftdetect then
    -- vis 0.9 and earlier
    if vis.ftdetect.filetypes then
        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 1')
    vis:command('set autoindent off')
    vis:command('set theme custom_zen')

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

    -- build.sh setup
    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')

    -- system clipboard
    local function clip_copy()
        vis:feedkeys(':>wl-copy 2>/dev/null<Enter>')
        vis:feedkeys('<Escape>') -- drop the selection / leave visual mode
    end

    local function clip_paste()
        vis:feedkeys(':<wl-paste --no-newline<Enter>')
        vis:feedkeys('<Escape>') -- clear any selection left on the pasted text
    end

    vis:map(vis.modes.VISUAL, '<C-y>', clip_copy, 'Copy selection to system clipboard')
    vis:map(vis.modes.VISUAL, '<C-v>', clip_paste, 'Paste system clipboard at cursor')
    vis:map(vis.modes.NORMAL, '<C-v>', clip_paste, 'Paste system clipboard at cursor')


    -- ctags: 'gd' to jump to tag definition under cursor
    -- vis-ctags binds <C-]> (jump) and <C-t> (back) itself;
    vis:map(vis.modes.NORMAL, 'gd', '<C-]>')

end)

-- ---------------------------------------------------------------------------
-- Per-window options
-- ---------------------------------------------------------------------------
vis.events.subscribe(vis.events.WIN_OPEN, function(win)
    vis:command('set tabwidth 4')
    vis:command('set expandtab on')
    vis:command('set number on')
end)