local conf = require('Trans').conf
local m_window
local m_result
local m_content

local node = require("Trans.node")
local t = node.text
local it = node.item


local engine_map = {
    baidu   = '百度',
    youdao  = '有道',
    iciba   = 'iciba',
    offline = '本地',
}

local function set_tag_hl(name, status)
    local hl = conf.float.tag[status]
    m_window:set_hl(name, {
        fg = '#000000',
        bg = hl,
    })

    m_window:set_hl(name .. 'round', {
        fg = hl,
    })
end

local function set_title()
    local title = m_window:new_content()
    local github = '  https://github.com/JuanZoran/Trans.nvim'

    title:addline(
        title:center(it(github, '@text.uri'))
    )

    local f = '%s(%d)'

    local tags = {}
    local load_tag = function(engine, index)
        set_tag_hl(engine, 'wait')
        local round = engine .. 'round'
        table.insert(tags, t(
            it('', round),
            it(f:format(engine_map[engine], index), engine),
            it('', round)
        ))
    end
    load_tag('offline', 1)
    title:addline(unpack(tags))
    title:newline('')
end

local action = {
    quit = function()
        m_window:try_close()
    end,
}

local exist = function (str)
    return str and str ~= ''
end

local function process()
    -- TODO :
    local icon = conf.icon
    m_content:addline(m_content:format {
        nodes = {
            it(m_result.word, 'TransWord'),
            t(
                it('['),
                it(exist(m_result.phonetic) and m_result.phonetic or icon.notfound, 'TransPhonetic'),
                it(']')
            ),
            it(m_result.collins and icon.star:rep(m_result.collins) or icon.notfound, 'TransCollins'),
            it(m_result.oxford == 1 and icon.yes or icon.no)
        },
        width = math.floor(m_window.width * 0.5)
    })
    m_content:addline(it('该窗口还属于实验性功能 .... '))
end

return function(word)
    -- TODO :online query
    local float = conf.float
    vim.notify('[注意]: float窗口目前还待开发, 如果需要input查询功能, 请将窗口改成hover',
        vim.log.WARN)
    local opt = {
        relative  = 'editor',
        width     = float.width,
        height    = float.height,
        border    = float.border,
        title     = float.title,
        animation = float.animation,
        row       = bit.rshift((vim.o.lines - float.height), 1),
        col       = bit.rshift((vim.o.columns - float.width), 1),
        zindex    = 20,
    }
    m_window = require('Trans.window')(true, opt)
    set_title()
    m_content = m_window:new_content()
    m_result = require('Trans.query.offline')(word)
    if m_result then
        set_tag_hl('offline', 'success')
        process()
    else
        set_tag_hl('offline', 'fail')
    end

    m_window:open()
    m_window:bufset('bufhidden', 'wipe')

    for act, key in pairs(float.keymap) do
        m_window:map(key, action[act])
    end
end