let s:search_tools = {}
let s:search_tools.namespace = {
      \ 'rg' : 'r',
      \ 'ag' : 'a',
      \ 'pt' : 't',
      \ 'ack' : 'k',
      \ 'grep' : 'g',
      \ }
let s:search_tools.a = {}
let s:search_tools.a.command = 'ag'
let s:search_tools.a.default_opts =
            \ '-i --vimgrep --hidden --ignore ' .
            \ '''.hg'' --ignore ''.svn'' --ignore ''.git'' --ignore ''.bzr'''
let s:search_tools.a.recursive_opt = ''

let s:search_tools.t = {}
let s:search_tools.t.command = 'pt'
let s:search_tools.t.default_opts = '--nogroup --nocolor'
let s:search_tools.t.recursive_opt = ''

let s:search_tools.r = {}
let s:search_tools.r.command = 'rg'
let s:search_tools.r.default_opts = '--hidden --no-heading --vimgrep -S'
let s:search_tools.r.recursive_opt = ''

let s:search_tools.k = {}
let s:search_tools.k.command = 'ack'
let s:search_tools.k.default_opts = '-i --no-heading --no-color -k -H'
let s:search_tools.k.recursive_opt = ''

let s:search_tools.g = {}
let s:search_tools.g.command = 'grep'
let s:search_tools.g.default_opts = '-inH'
let s:search_tools.g.recursive_opt = ''

function! SpaceVim#mapping#search#grep(key, scope)
    let cmd = s:search_tools[a:key]['command']
    let opt = s:search_tools[a:key]['default_opts']
    let ropt = s:search_tools[a:key]['recursive_opt']
    if a:scope ==# 'b'
        call SpaceVim#plugins#flygrep#open({
              \ 'input' : input('grep pattern:'),
              \ 'files':'@buffers',
              \ 'cmd' : cmd,
              \ 'opt' : opt,
              \ 'ropt' : ropt,
              \ })
    elseif a:scope ==# 'B'
        call SpaceVim#plugins#flygrep#open({
              \ 'input' : expand('<cword>'),
              \ 'files':'@buffers',
              \ 'cmd' : cmd,
              \ 'opt' : opt,
              \ 'ropt' : ropt,
              \ })
    elseif a:scope ==# 'p'
        call SpaceVim#plugins#flygrep#open({
              \ 'input' : input('grep pattern:'),
              \ 'cmd' : cmd,
              \ 'opt' : opt,
              \ 'ropt' : ropt,
              \ })
    elseif a:scope ==# 'P'
        call SpaceVim#plugins#flygrep#open({
              \ 'input' : expand('<cword>'),
              \ 'cmd' : cmd,
              \ 'opt' : opt,
              \ 'ropt' : ropt,
              \ })
    elseif a:scope ==# 'f'
        call SpaceVim#plugins#flygrep#open({
              \ 'input' : input('grep pattern:'),
              \ 'dir' : input('arbitrary dir:', '', 'dir'),
              \ 'cmd' : cmd,
              \ 'opt' : opt,
              \ 'ropt' : ropt,
              \ })
    elseif a:scope ==# 'F'
        call SpaceVim#plugins#flygrep#open({
              \ 'input' : expand('<cword>'),
              \ 'dir' : input('arbitrary dir:', '', 'dir'),
              \ 'cmd' : cmd,
              \ 'opt' : opt,
              \ 'ropt' : ropt,
              \ })
    endif
endfunction

function! SpaceVim#mapping#search#default_tool()
    if !has_key(s:search_tools, 'default_exe')
        for t in g:spacevim_search_tools
            if executable(t)
                let s:search_tools.default_exe = t
                let key = s:search_tools.namespace[t]
                let s:search_tools.default_opt = s:search_tools[key]['default_opts']
                let s:search_tools.default_ropt = s:search_tools[key]['recursive_opt']
            endif
        endfor
    endif
    return [s:search_tools.default_exe, s:search_tools.default_opt, s:search_tools.default_ropt]
endfunction