local DateWidget = require("ui/widget/datewidget")
local Device = require("device")
local Event = require("ui/event")
local InfoMessage = require("ui/widget/infomessage")
local Language = require("ui/language")
local NetworkMgr = require("ui/network/manager")
local UIManager = require("ui/uimanager")
local TimeWidget = require("ui/widget/timewidget")
local _ = require("gettext")
local Screen = Device.screen
local T = require("ffi/util").template

local common_settings = {}

if Device:isCervantes() then
    local util = require("util")
    if util.pathExists("/usr/bin/restart.sh") then
        common_settings.start_bq = {
            text = T(_("Start %1 reader app"), "BQ"),
            callback = function()
                UIManager:quit()
                UIManager._exit_code = 87
            end,
        }
    end
end

if Device:hasFrontlight() then
    local ReaderFrontLight = require("apps/reader/modules/readerfrontlight")
    common_settings.frontlight = {
        text = _("Frontlight"),
        callback = function()
            ReaderFrontLight:onShowFlDialog()
        end,
    }
end

if Device:canToggleMassStorage() then
    local MassStorage = require("ui/elements/mass_storage")

    -- mass storage settings
    common_settings.mass_storage_settings = {
        text = _("USB mass storage"),
        sub_item_table = MassStorage:getSettingsMenuTable()
    }

    -- mass storage actions
    common_settings.mass_storage_actions = {
        text = _("Start USB storage"),
        callback = function() MassStorage:start() end,
    }
end

-- This affects the topmenu, we want to be able to access it even if !Device:setDateTime()
common_settings.time = {
    text = _("Time and date"),
    sub_item_table = {
        {
        text = _("12-hour clock"),
        keep_menu_open = true,
        checked_func = function()
            return G_reader_settings:nilOrTrue("twelve_hour_clock")
        end,
        callback = function()
            G_reader_settings:flipNilOrTrue("twelve_hour_clock")
        end,
        }
    }
}
if Device:setDateTime() then
    table.insert(common_settings.time.sub_item_table, {
        text = _("Set time"),
        keep_menu_open = true,
        callback = function()
            local now_t = os.date("*t")
            local curr_hour = now_t.hour
            local curr_min = now_t.min
            local time_widget = TimeWidget:new{
                hour = curr_hour,
                min = curr_min,
                ok_text = _("Set time"),
                title_text = _("Set time"),
                callback = function(time)
                    if Device:setDateTime(nil, nil, nil, time.hour, time.min) then
                        now_t = os.date("*t")
                        UIManager:show(InfoMessage:new{
                            text = T(_("Current time: %1:%2"), string.format("%02d", now_t.hour),
                                string.format("%02d", now_t.min))
                        })
                    else
                        UIManager:show(InfoMessage:new{
                            text = _("Time couldn't be set"),
                        })
                    end
                end
            }
            UIManager:show(time_widget)
        end,
    })
    table.insert(common_settings.time.sub_item_table, {
        text = _("Set date"),
        keep_menu_open = true,
        callback = function()
            local now_t = os.date("*t")
            local curr_year = now_t.year
            local curr_month = now_t.month
            local curr_day = now_t.day
            local date_widget = DateWidget:new{
                year = curr_year,
                month = curr_month,
                day = curr_day,
                ok_text = _("Set date"),
                title_text = _("Set date"),
                callback = function(time)
                    now_t = os.date("*t")
                    if Device:setDateTime(time.year, time.month, time.day, now_t.hour, now_t.min, now_t.sec) then
                        now_t = os.date("*t")
                        UIManager:show(InfoMessage:new{
                            text = T(_("Current date: %1-%2-%3"), now_t.year, string.format("%02d", now_t.month),
                                string.format("%02d", now_t.day))
                        })
                    else
                        UIManager:show(InfoMessage:new{
                            text = _("Date couldn't be set"),
                        })
                    end
                end
            }
            UIManager:show(date_widget)
        end,
    })
end

if Device:isKobo() then
    common_settings.ignore_sleepcover = {
        text = _("Ignore all sleepcover events"),
        checked_func = function()
            return G_reader_settings:isTrue("ignore_power_sleepcover")
        end,
        callback = function()
            G_reader_settings:flipNilOrFalse("ignore_power_sleepcover")
            G_reader_settings:flipFalse("ignore_open_sleepcover")
            UIManager:show(InfoMessage:new{
                text = _("This will take effect on next restart."),
            })
        end
    }

    common_settings.ignore_open_sleepcover = {
        text = _("Ignore sleepcover wakeup events"),
        checked_func = function()
            return G_reader_settings:isTrue("ignore_open_sleepcover")
        end,
        callback = function()
            G_reader_settings:flipNilOrFalse("ignore_open_sleepcover")
            G_reader_settings:flipFalse("ignore_power_sleepcover")
            UIManager:show(InfoMessage:new{
                text = _("This will take effect on next restart."),
            })
        end
    }
end

common_settings.night_mode = {
    text = _("Night mode"),
    checked_func = function() return G_reader_settings:isTrue("night_mode") end,
    callback = function()
        local night_mode = G_reader_settings:isTrue("night_mode")
        Screen:toggleNightMode()
        UIManager:setDirty(nil, "full")
        G_reader_settings:saveSetting("night_mode", not night_mode)
    end
}
common_settings.network = {
    text = _("Network"),
}
NetworkMgr:getMenuTable(common_settings)

common_settings.screen = {
    text = _("Screen"),
}
common_settings.screen_dpi = require("ui/elements/screen_dpi_menu_table")
common_settings.screen_eink_opt = require("ui/elements/screen_eink_opt_menu_table")
common_settings.menu_activate = require("ui/elements/menu_activate")
common_settings.screen_disable_double_tab = require("ui/elements/screen_disable_double_tap_table")
common_settings.ignore_hold_corners = {
    text = _("Ignore hold on corners"),
    checked_func = function()
        return G_reader_settings:isTrue("ignore_hold_corners")
    end,
    callback = function()
        UIManager:broadcastEvent(Event:new("IgnoreHoldCorners"))
    end,
}

if Device:canToggleGSensor() then
    common_settings.screen_toggle_gsensor = require("ui/elements/screen_toggle_gsensor")
end

if Screen.isColorScreen() then
    common_settings.color_rendering = require("ui/elements/screen_color_menu_table")
end

if Device:isAndroid() then
    -- android common settings
    local isAndroid, android = pcall(require, "android")
    if not isAndroid then return end

    -- screen timeout options, disabled if device needs wakelocks.
    common_settings.screen_timeout = require("ui/elements/screen_android"):getTimeoutMenuTable()

    -- volume key events
    common_settings.android_volume_keys = {
        text = _("Volume key page turning"),
        checked_func = function() return not android.getVolumeKeysIgnored() end,
        callback = function()
            local is_ignored = android.getVolumeKeysIgnored()
            android.setVolumeKeysIgnored(not is_ignored)
            G_reader_settings:saveSetting("android_ignore_volume_keys", not is_ignored)
        end,
    }

    -- camera key events
    common_settings.android_camera_key = {
        text = _("Camera key toggles touchscreen support"),
        checked_func = function() return G_reader_settings:isTrue("camera_key_toggles_touchscreen") end,
        callback = function() G_reader_settings:flipNilOrFalse("camera_key_toggles_touchscreen") end,
    }

    -- fullscreen toggle on devices with compatible fullscreen methods (apis 14-18)
    if Device.firmware_rev < 19 then
        common_settings.fullscreen = {
            text = _("Fullscreen"),
            checked_func = function() return android.isFullscreen() end,
            callback = function() require("ui/elements/screen_android"):toggleFullscreen() end,
        }
    end
end

if Device:isTouchDevice() then
    common_settings.keyboard_layout = {
        text = _("Keyboard layout"),
        sub_item_table = require("ui/elements/menu_keyboard_layout"),
    }
    common_settings.taps_and_gestures = {
        text = _("Taps and gestures"),
    }
end

common_settings.navigation = {
    text = _("Navigation"),
}
local back_to_exit_str = {
    prompt = {_("Prompt"), _("prompt")},
    always = {_("Always"), _("always")},
    disable ={_("Disable"), _("disable")},
}
common_settings.back_to_exit = {
    text_func = function()
        local back_to_exit = G_reader_settings:readSetting("back_to_exit") or "prompt"
        return T(_("Back to exit (%1)"),
                 back_to_exit_str[back_to_exit][2])
    end,
    sub_item_table = {
        {
            text = back_to_exit_str.prompt[1],
            checked_func = function()
                local setting = G_reader_settings:readSetting("back_to_exit")
                return setting == "prompt" or setting == nil
            end,
            callback = function()
                G_reader_settings:saveSetting("back_to_exit", "prompt")
            end,
        },
        {
            text = back_to_exit_str.always[1],
            checked_func = function()
                return G_reader_settings:readSetting("back_to_exit")
                           == "always"
            end,
            callback = function()
                G_reader_settings:saveSetting("back_to_exit", "always")
            end,
        },
        {
            text = back_to_exit_str.disable[1],
            checked_func = function()
                return G_reader_settings:readSetting("back_to_exit")
                           == "disable"
            end,
            callback = function()
                G_reader_settings:saveSetting("back_to_exit", "disable")
            end,
        },
    },
}
common_settings.back_in_filemanager = {
    text = _("Back in file browser"),
    sub_item_table = {
        {
            text_func = function()
                local back_to_exit = G_reader_settings:readSetting("back_to_exit") or "prompt"
                return T(_("Back to exit (%1)"),
                         back_to_exit_str[back_to_exit][2])
            end,
            checked_func = function()
                local back_in_filemanager = G_reader_settings:readSetting("back_in_filemanager")
                return back_in_filemanager == nil or back_in_filemanager == "default"
            end,
            callback = function()
                G_reader_settings:saveSetting("back_in_filemanager", "default")
            end,
        },
        {
            text = _("Go to parent folder"),
            checked_func = function()
                return G_reader_settings:readSetting("back_in_filemanager")
                           == "parent_folder"
            end,
            callback = function()
                G_reader_settings:saveSetting("back_in_filemanager", "parent_folder")
            end,
        },
    },
}
common_settings.enable_back_history = {
    text = _("Enable back history"),
    checked_func = function()
        return G_reader_settings:nilOrTrue("enable_back_history")
    end,
    callback = function()
        G_reader_settings:flipNilOrTrue("enable_back_history")
    end,
}
if Device:hasKeys() then
    common_settings.invert_page_turn_buttons = {
        text = _("Invert page turn buttons"),
        checked_func = function()
            return G_reader_settings:isTrue("input_invert_page_turn_keys")
        end,
        callback = function()
            G_reader_settings:flipNilOrFalse("input_invert_page_turn_keys")
            Device:invertButtons()
        end,
    }
end

-- Auto-save settings: default value, info text and warning, and menu items
if G_reader_settings:readSetting("auto_save_settings_interval_minutes") == nil then
    -- Default to auto save every 15 mn
    G_reader_settings:saveSetting("auto_save_settings_interval_minutes", 15)
end

local auto_save_help_text = _([[
This sets how often to rewrite to disk global settings and book metadata, including your current position and any highlights and bookmarks made, when you're reading a document.

The normal behavior is to save those only when the document is closed, or your device suspended, or when exiting KOReader.

Setting it to some interval may help prevent losing new settings/sidecar data after a software crash, but will cause more I/O writes the lower the interval is, and may slowly wear out your storage media in the long run.]])

-- Some devices with FAT32 storage may not like having settings rewritten too often,
-- so let that be known. See https://github.com/koreader/koreader/pull/3625
local warn_about_auto_save = Device:isKobo() or Device:isKindle() or Device:isCervantes() or Device:isPocketBook() or Device:isSonyPRSTUX()
if warn_about_auto_save then
    local auto_save_help_warning = _([[Please be warned that on this device, setting a low interval may exacerbate the potential for filesystem corruption and complete data loss after a hardware crash.]])
    auto_save_help_text = auto_save_help_text .. "\n\n" .. auto_save_help_warning
end

local function genAutoSaveMenuItem(value)
    local setting_name = "auto_save_settings_interval_minutes"
    local text
    if not value then
        text = _("Only on close, suspend and exit")
    else
        text = T(_("Every %1 mn"), value)
    end
    return {
        text = text,
        help_text = auto_save_help_text,
        checked_func = function()
            return G_reader_settings:readSetting(setting_name) == value
        end,
        callback = function()
            G_reader_settings:saveSetting(setting_name, value)
        end,
    }
end

common_settings.document = {
    text = _("Document"),
    sub_item_table = {
        {
            text_func = function()
                local interval = G_reader_settings:readSetting("auto_save_settings_interval_minutes")
                local s_interval
                if interval == false then
                    s_interval = "only on close"
                else
                    s_interval = T(_("every %1 mn"), interval)
                end
                return T(_("Auto-save book metadata: %1"), s_interval)
            end,
            help_text = auto_save_help_text,
            sub_item_table = {
                genAutoSaveMenuItem(false),
                genAutoSaveMenuItem(5),
                genAutoSaveMenuItem(15),
                genAutoSaveMenuItem(60),
                warn_about_auto_save and {
                    text = _("Important info about this auto-save option"),
                    keep_menu_open = true,
                    callback = function()
                        UIManager:show(InfoMessage:new{ text = auto_save_help_text, })
                    end,
                } or nil,
            },
        },
        {
            text = _("Save document (write highlights into PDF)"),
            sub_item_table = {
                {
                    text = _("Prompt"),
                    checked_func = function()
                        local setting = G_reader_settings:readSetting("save_document")
                        return setting == "prompt" or setting == nil
                    end,
                    callback = function()
                        G_reader_settings:delSetting("save_document")
                    end,
                },
                {
                    text = _("Always"),
                    checked_func = function()
                        return G_reader_settings:readSetting("save_document")
                                   == "always"
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("save_document", "always")
                    end,
                },
                {
                    text = _("Disable"),
                    checked_func = function()
                        return G_reader_settings:readSetting("save_document")
                                   == "disable"
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("save_document", "disable")
                    end,
                },
            },
        },
        {
            text = _("End of document action"),
            sub_item_table = {
                {
                    text = _("Ask with pop-up dialog"),
                    checked_func = function()
                        local setting = G_reader_settings:readSetting("end_document_action")
                        return setting == "pop-up" or setting == nil
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("end_document_action", "pop-up")
                    end,
                },
                {
                    text = _("Do nothing"),
                    checked_func = function()
                        return G_reader_settings:readSetting("end_document_action") == "nothing"
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("end_document_action", "nothing")
                    end,
                },
                {
                    text = _("Book status"),
                    checked_func = function()
                        return G_reader_settings:readSetting("end_document_action") == "book_status"
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("end_document_action", "book_status")
                    end,
                },
                {
                    text = _("Delete file"),
                    checked_func = function()
                        return G_reader_settings:readSetting("end_document_action") == "delete_file"
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("end_document_action", "delete_file")
                    end,
                },
                {
                    text = _("Open next file"),
                    enabled_func = function()
                        return G_reader_settings:readSetting("collate")
                            ~= "access"
                    end,
                    checked_func = function()
                        return G_reader_settings:readSetting("end_document_action") == "next_file"
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("end_document_action", "next_file")
                    end,
                },
                {
                    text = _("Return to file browser"),
                    checked_func = function()
                        return G_reader_settings:readSetting("end_document_action") == "file_browser"
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("end_document_action", "file_browser")
                    end,
                },
                {
                    text = _("Mark book as read"),
                    checked_func = function()
                        return G_reader_settings:readSetting("end_document_action") == "mark_read"
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("end_document_action", "mark_read")
                    end,
                },
                {
                    text = _("Book status and return to file browser"),
                    checked_func = function()
                        return G_reader_settings:readSetting("end_document_action") == "book_status_file_browser"
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("end_document_action", "book_status_file_browser")
                    end,
                },
            }
        },
        {
            text = _("Highlight action"),
            sub_item_table = {
                {
                    text = _("Ask with popup dialog"),
                    checked_func = function()
                        return G_reader_settings:nilOrFalse("default_highlight_action")
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("default_highlight_action", nil)
                    end,
                },
                {
                    text = _("Highlight"),
                    checked_func = function()
                        return G_reader_settings:readSetting("default_highlight_action") == "highlight"
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("default_highlight_action", "highlight")
                    end,
                },
                {
                    text = _("Translate"),
                    checked_func = function()
                        return G_reader_settings:readSetting("default_highlight_action") == "translate"
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("default_highlight_action", "translate")
                    end,
                },
                {
                    text = _("Wikipedia"),
                    checked_func = function()
                        return G_reader_settings:readSetting("default_highlight_action") == "wikipedia"
                    end,
                    callback = function()
                        G_reader_settings:saveSetting("default_highlight_action", "wikipedia")
                    end,
                },
            }
        },
    },
}
common_settings.language = Language:getLangMenuTable()

common_settings.screenshot = {
    text = _("Screenshot directory"),
    callback = function()
        local Screenshoter = require("ui/widget/screenshoter")
        Screenshoter:chooseFolder()
    end,
}

return common_settings