--print "file breadcrumbs loaded"
local M = {}

-- local Log = require "lvim.core.log"

local icons = require('lvim.icons')

local lvim = {
    use_icons = true,
    builtin = {
        breadcrumbs = {
            active = true,
            on_config_done = nil,
            winbar_filetype_exclude = {
                "help",
                "startify",
                "dashboard",
                "lazy",
                "neo-tree",
                "neogitstatus",
                "NvimTree",
                "Trouble",
                "alpha",
                "lir",
                "Outline",
                "spectre_panel",
                "toggleterm",
                "DressingSelect",
                "Jaq",
                "harpoon",
                "dap-repl",
                "dap-terminal",
                "dapui_console",
                "dapui_hover",
                "lab",
                "notify",
                "noice",
                "neotest-summary",
                "NvimTree",
                "",
            },
            options = {
                icons = {
                    Array = icons.kind.Array .. " ",
                    Boolean = icons.kind.Boolean .. " ",
                    Class = icons.kind.Class .. " ",
                    Color = icons.kind.Color .. " ",
                    Constant = icons.kind.Constant .. " ",
                    Constructor = icons.kind.Constructor .. " ",
                    Enum = icons.kind.Enum .. " ",
                    EnumMember = icons.kind.EnumMember .. " ",
                    Event = icons.kind.Event .. " ",
                    Field = icons.kind.Field .. " ",
                    File = icons.kind.File .. " ",
                    Folder = icons.kind.Folder .. " ",
                    Function = icons.kind.Function .. " ",
                    Interface = icons.kind.Interface .. " ",
                    Key = icons.kind.Key .. " ",
                    Keyword = icons.kind.Keyword .. " ",
                    Method = icons.kind.Method .. " ",
                    Module = icons.kind.Module .. " ",
                    Namespace = icons.kind.Namespace .. " ",
                    Null = icons.kind.Null .. " ",
                    Number = icons.kind.Number .. " ",
                    Object = icons.kind.Object .. " ",
                    Operator = icons.kind.Operator .. " ",
                    Package = icons.kind.Package .. " ",
                    Property = icons.kind.Property .. " ",
                    Reference = icons.kind.Reference .. " ",
                    Snippet = icons.kind.Snippet .. " ",
                    String = icons.kind.String .. " ",
                    Struct = icons.kind.Struct .. " ",
                    Text = icons.kind.Text .. " ",
                    TypeParameter = icons.kind.TypeParameter .. " ",
                    Unit = icons.kind.Unit .. " ",
                    Value = icons.kind.Value .. " ",
                    Variable = icons.kind.Variable .. " ",
                },
                highlight = true,
                separator = " " .. icons.ui.ChevronRight .. " ",
                depth_limit = 0,
                depth_limit_indicator = "..",
            },
        }
    }
}


M.setup = function()
    --print "setup"
    local status_ok, navic = pcall(require, "nvim-navic")
    if not status_ok then
        return
    end

    M.create_winbar()
    navic.setup(lvim.builtin.breadcrumbs.options)

    if lvim.builtin.breadcrumbs.on_config_done then
        lvim.builtin.breadcrumbs.on_config_done()
    end
end

M.get_filename = function()
    local filename = vim.fn.expand "%:t"
    local extension = vim.fn.expand "%:e"
    local f = require "lvim.functions"

    if not f.isempty(filename) then
        local file_icon, hl_group
        local devicons_ok, devicons = pcall(require, "nvim-web-devicons")
        if lvim.use_icons and devicons_ok then
            file_icon, hl_group = devicons.get_icon(filename, extension, { default = true })

            if f.isempty(file_icon) then
                file_icon = icons.kind.File
            end
        else
            file_icon = ""
            hl_group = "Normal"
        end

        local buf_ft = vim.bo.filetype

        if buf_ft == "dapui_breakpoints" then
            file_icon = lvim.icons.ui.Bug
        end

        if buf_ft == "dapui_stacks" then
            file_icon = icons.ui.Stacks
        end

        if buf_ft == "dapui_scopes" then
            file_icon = icons.ui.Scopes
        end

        if buf_ft == "dapui_watches" then
            file_icon = icons.ui.Watches
        end

        -- if buf_ft == "dapui_console" then
        --   file_icon = icons.ui.DebugConsole
        -- end

        local navic_text = vim.api.nvim_get_hl_by_name("Normal", true)
        vim.api.nvim_set_hl(0, "Winbar", { fg = navic_text.foreground })

        return " " .. "%#" .. hl_group .. "#" .. file_icon .. "%*" .. " " .. "%#Winbar#" .. filename .. "%*"
    end
end

local get_gps = function()
    local status_gps_ok, gps = pcall(require, "nvim-navic")
    if not status_gps_ok then
        return ""
    end

    local status_ok, gps_location = pcall(gps.get_location, {})
    if not status_ok then
        return ""
    end

    if not gps.is_available() or gps_location == "error" then
        return ""
    end

    if not require("lvim.functions").isempty(gps_location) then
        return "%#NavicSeparator#" .. icons.ui.ChevronRight .. "%* " .. gps_location
    else
        return ""
    end
end

local excludes = function()
    return vim.tbl_contains(lvim.builtin.breadcrumbs.winbar_filetype_exclude or {}, vim.bo.filetype)
end

M.get_winbar = function()
    if excludes() then
        return
    end
    local f = require "lvim.functions"
    local value = M.get_filename()

    local gps_added = false
    if not f.isempty(value) then
        local gps_value = get_gps()
        value = value .. " " .. gps_value
        if not f.isempty(gps_value) then
            gps_added = true
        end
    end

    if not f.isempty(value) and f.get_buf_option "mod" then
        -- TODO: replace with circle
        local mod = "%#LspCodeLens#" .. icons.ui.Circle .. "%*"
        if gps_added then
            value = value .. " " .. mod
        else
            value = value .. mod
        end
    end

    local num_tabs = #vim.api.nvim_list_tabpages()

    if num_tabs > 1 and not f.isempty(value) then
        local tabpage_number = tostring(vim.api.nvim_tabpage_get_number(0))
        value = value .. "%=" .. tabpage_number .. "/" .. tostring(num_tabs)
    end

    local status_ok, _ = pcall(vim.api.nvim_set_option_value, "winbar", value, { scope = "local" })
    if not status_ok then
        return
    end
end

M.create_winbar = function()
    --print "create winbar"
    vim.api.nvim_create_augroup("_winbar", {})
    vim.api.nvim_create_autocmd({
        "CursorHoldI",
        "CursorHold",
        "BufWinEnter",
        "BufFilePost",
        "InsertEnter",
        "BufWritePost",
        "TabClosed",
        "TabEnter",
    }, {
            group = "_winbar",
            callback = function()
                --print "augroup callback"
                if lvim.builtin.breadcrumbs.active then
                    local status_ok, _ = pcall(vim.api.nvim_buf_get_var, 0, "lsp_floating_window")
                    if not status_ok then
                        --print "calling get winbar"
                        -- TODO:
                        require("lvim.breadcrumbs").get_winbar()
                        --print "augroup done"
                    end
                end
            end,
        })
end

return M