local M = {}

M.install = { src = "https://github.com/nvim-mini/mini.pick" }

M.setup = function()
    local pick = require('mini.pick')

    pick.setup({
        mappings = {
            paste_from_clipboard = {
                char = '<C-r>',
                func = function()
                    local clipboard = vim.fn.getreg('+')
                    local current_query = pick.get_picker_query() or {}
                    -- Query is an array of strings, join and append clipboard
                    local query_text = type(current_query) == 'table' and table.concat(current_query, '') or current_query
                    local new_query = query_text .. clipboard
                    -- Convert back to array of characters
                    local query_array = {}
                    for char in new_query:gmatch('.') do
                        table.insert(query_array, char)
                    end
                    pick.set_picker_query(query_array)
                end,
            },
            send_to_qflist = {
                char = '<C-q>',
                func = function()
                    local items = pick.get_picker_items()
                    if not items or #items == 0 then
                        return
                    end

                    local qf_items = {}
                    for _, item in ipairs(items) do
                        if type(item) == 'string' then
                            -- Mini.pick uses null bytes (\0) as separators
                            local parts = vim.split(item, '\0', { plain = true })

                            if #parts >= 3 then
                                -- Format: path\0lnum\0col\0text
                                local path = parts[1]
                                local lnum = tonumber(parts[2]) or 1
                                local col = tonumber(parts[3]) or 1
                                local text = parts[4] or ''

                                table.insert(qf_items, {
                                    filename = path,
                                    lnum = lnum,
                                    col = col,
                                    text = text,
                                })
                            else
                                -- Just a file path
                                table.insert(qf_items, {
                                    filename = item,
                                    lnum = 1,
                                    col = 1,
                                    text = '',
                                })
                            end
                        end
                    end

                    if #qf_items > 0 then
                        vim.fn.setqflist(qf_items)
                        vim.cmd('copen')
                    end
                    pick.stop()
                end,
            },
        },
        window = {
            config = function()
                local height = math.floor(0.618 * vim.o.lines)
                local width = math.floor(0.618 * vim.o.columns)
                return {
                    anchor = 'NW',
                    height = height,
                    width = width,
                    row = math.floor(0.5 * (vim.o.lines - height)),
                    col = math.floor(0.5 * (vim.o.columns - width)),
                }
            end,
        },
    })

    -- Keybind for git files
    vim.keymap.set('n', '<leader>p', function()
        pick.builtin.files({ tool = 'git' })
    end, { desc = 'Pick Git Files' })

    -- Keybind for git files
    vim.keymap.set('n', '<leader>P', function()
        pick.builtin.files()
    end, { desc = 'Pick Files' })

    vim.keymap.set('n', '<leader>f', function()
        pick.builtin.grep_live()
    end, { desc = 'Pick Search' })

    vim.keymap.set('n', '<leader>H', function()
        pick.builtin.help()
    end, { desc = 'Pick Help' })
end

return M