local node = require('Trans').util.node
local it, t, f, co = node.item, node.text, node.format, node.conjunction

---@type TransHoverRenderer
local M = {}
local interval = (' '):rep(4)

function M.web(hover, result)
    if not result.web then return end
    local buffer = hover.buffer
    buffer:setline(co(hover.opts.icon.web .. ' 网络释义'))

    local function remove_duplicate(strs)
        local uniq_strs = {}
        local str_map = {}
        local opts = { plain = true, trim_empty = true }

        for i = 1, #strs do
            local fields = vim.split(strs[i], '; ', opts)
            for j = 1, #fields do
                local field = fields[j]
                if not str_map[field] then
                    uniq_strs[#uniq_strs + 1] = field
                    str_map[field] = true
                end
            end
        end
        return uniq_strs
    end

    local indent = interval .. '  ' .. hover.opts.icon.list .. ' '
    for _, w in ipairs(result.web) do
        buffer:setline(it {
            interval .. w.key,
            'TransWeb'
        })

        for _, v in ipairs(remove_duplicate(w.value)) do
            buffer:setline(it {
                indent .. v,
                'TransWeb'
            })
        end
    end
    buffer:setline('')
end

function M.explains(hover, result)
    local explains = result.explains
    if not explains then return end
    local buffer = hover.buffer
    buffer:setline(co('基本释义'))


    for i = 1, #explains, 2 do
        buffer:setline(it {
            interval .. explains[i] ..
            (explains[i + 1] and interval .. explains[i + 1] or ''),
            'TransExplains'
        })
    end
    buffer:setline('')
end

M.title = require('Trans').frontend.hover.offline.title

return M