local L = Gargul_L;

---@type GL
local _, GL = ...;

---@type Interface
local Interface = GL.Interface;

---@type Settings
local Settings = GL.Settings;

---@type GDKP
local GDKP = GL.GDKP;

---@type GDKPMultiAuctionClient
local Client = GL.GDKP.MultiAuction.Client;

---@type GDKPSession
local Session = GL.GDKP.Session;

---@type GroupVersionCheckInterface
local GroupVersionCheck = GL.Interface.GroupVersionCheck;

---@class GDKPMultiAuctionAuctioneerInterface
GL:tableSet(GL, "Interface.GDKP.MultiAuction.Auctioneer", {
    windowName = "Gargul.Interface.GDKP.MultiAuction.Auctioneer.Window",

    ItemHolder = nil,
    ItemRows = {},
    Search = nil,
    SelectAll = nil,
});

---@type GDKPMultiAuctionAuctioneerInterface
local Auctioneer = GL.Interface.GDKP.MultiAuction.Auctioneer;

--[[ CONSTANTS ]]
local ITEM_ROW_HEIGHT = 20;
local WINDOW_WIDTH = 435;
local WINDOW_HEIGHT = 333;
local FONT;

---@return Frame|nil
function Auctioneer:open(keepPreviousItems)
    if (self:isShown()) then
        return;
    end

    keepPreviousItems = keepPreviousItems == true;
    if (not GL.GDKP.MultiAuction.Auctioneer:userIsAllowedToBroadcast()) then
        GL:warning("You don't have permission to start an auction!")
        return;
    end

    local ActiveSession = Session:getActive();
    if (not ActiveSession or ActiveSession.lockedAt) then
        GL:warning("You need to have an active (unlocked) GDKP session!");
        Interface.GDKP.Overview:open();

        return;
    else
        local hasActiveAuctions = false;

        for _, Details in pairs(Client.AuctionDetails.Auctions or {}) do
            if (Details.endsAt > 0) then
                hasActiveAuctions = true;
                break;
            end
        end

        if (hasActiveAuctions) then
            GL:notice("There is an active multi-auction, wrap it up before creating a new one!");
            GL.Interface.GDKP.MultiAuction.Client:open();

            return;
        end
    end

    FONT = GL.FONT;

    local Window = self:getWindow() or self:build();

    if (not keepPreviousItems) then
        self:clearItems();
        GL.GDKP.MultiAuction.Auctioneer:fillFromInventory(
            Settings:get("GDKP.MultiAuction.minimumFillQuality"),
            Settings:get("GDKP.MultiAuction.includeBOEs"),
            Settings:get("GDKP.MultiAuction.includeAwarded"),
            Settings:get("GDKP.MultiAuction.includeMaterials")
        );
    end

    -- Show the correct session details
    local guild = "";
    local CreatedBy = ActiveSession.CreatedBy or { class = "priest", name = "unknown", guild = "unknown", uuid = "unknown"};
    if (CreatedBy.guild) then
        guild = string.format(" |c001eff00<%s>|r", CreatedBy.guild);
    end
    self.SessionDetails:SetText(string.format(
        "Active GDKP Session: |c00967FD2%s|r | By %s%s | On |c00967FD2%s|r",
        ActiveSession.title,
        GL:nameFormat{ name = CreatedBy.name, realm = CreatedBy.realm, colorize = true },
        guild,
        date('%Y-%m-%d', ActiveSession.createdAt)
    ));

    return Window:Show() and Window;
end

---@return void
function Auctioneer:close()
    local Window = self:getWindow() or self:build();

    Window:Hide();
end

---@return boolean
function Auctioneer:isShown()
    local Window = self:getWindow();

    return Window and Window:IsShown();
end

---@return void
function Auctioneer:addItemByLink(itemLink)
    local Window = self:getWindow();

    if (not Window) then
        return false;
    end

    Window:addItemByLink(itemLink);
end

---@return Frame
function Auctioneer:build()
    if (_G[self.windowName]) then
        return _G[self.windowName];
    end

    ---@type Frame
    local Window = Interface:createWindow{
        name = self.windowName,
        width = WINDOW_WIDTH,
        minWidth = WINDOW_WIDTH,
        height = WINDOW_HEIGHT,
        minHeight = WINDOW_HEIGHT,
        hideMinimizeButton = true,
    };

    --[[ THE SETTINGS MENU IN THE TOP LEFT OF THE WINDOW ]]
    Interface:addWindowOptions(Window, {
        { text = L.CHANGE_SCALE, notCheckable = true, func = function ()
            Interface:openScaler(Window);
            CloseMenus();
        end },
    }, 100);

    local HelpFrame = CreateFrame("Frame", nil, Window);
    HelpFrame:SetPoint("TOPRIGHT", Window, "TOPRIGHT", -34, -23);
    HelpFrame:SetSize(50, 20);

    ---@type Texture
    local highlight = HelpFrame:CreateTexture(nil, "HIGHLIGHT")
    highlight:SetAllPoints(HelpFrame);
    highlight:SetTexture("Interface/PaperDollInfoFrame/UI-Character-Tab-Highlight")
    highlight:SetBlendMode("ADD");

    Interface:addTooltip(HelpFrame, {
        "Here you determine which items to include in your multi-auction session",
        " ",
        "Use the |c00a79effFill from inventory|r button below to add items that can still be traded to the list",
        "Whenever you clear and re-open this window, your last fill settings will be used to automatically add items",
        " ",
        ("|c00a79eff%s|r items to manually add them to the list"):format(GL.Settings:get("ShortcutKeys.rollOffOrAuction")),
    }, "BOTTOM");

    --[[ ICON ]]
    local texturePath = "interface/friendsframe/informationicon";

    ---@type Button
    local Icon = CreateFrame("Button",nil, Window);
    Icon:SetSize(12, 12);
    Icon:SetPoint("TOPLEFT", HelpFrame, "TOPLEFT");

    ---@type Texture
    local image = Icon:CreateTexture(nil, "BACKGROUND")
    image:SetWidth(12)
    image:SetHeight(12)
    image:SetAllPoints(Icon)
    image:SetTexture(texturePath);

    --[[ INFO ]]
    ---@type FontString
    local InfoLabel = Interface:createFontString(HelpFrame, L.INFO);
    InfoLabel:SetPoint("TOPLEFT", HelpFrame, "TOPLEFT", 15, -1);

    ---@type Frame
    local ItemHolder

    ---@type ScrollFrame
    local ScrollFrame;

    --[[ GDKP SESSION DETAILS ]]
    ---@type FontString
    local SessionDetails = Interface:createFontString(Window);
    SessionDetails:SetPoint("TOPLEFT", Window, "TOPLEFT", 20, -24);
    SessionDetails:SetFont(.9);
    self.SessionDetails = SessionDetails;

    --[[ SELECT ALL ]]
    ---@type CheckButton
    local SelectAll = Interface:createCheckbox{
        Parent = Window,
        checked = false,
        callback = function (_, value)
            for _, Row in pairs(self.ItemRows or {}) do
                local alpha = tonumber(Row.GetAlpha and Row:GetAlpha() or 0) or 0;
                if (Row and Row._Select and alpha > 0) then
                    Row._Select:SetChecked(value);
                end
            end
        end,
    };
    SelectAll:SetPoint("TOPLEFT", SessionDetails, "BOTTOMLEFT", 0, -8);
    Interface:addTooltip(SelectAll, "Select / Disable all");
    self.SelectAll = SelectAll;

    --[[ SEARCH ]]
    ---@type EditBox
    local Search = Interface:inputBox(Window, nil, "Search name or iLVL");
    Search:SetWidth(150);
    Search:SetPoint("TOPLEFT", SelectAll, "TOPRIGHT", 20, 0);
    self.Search = Search;
    Interface:addTooltip(Search, "Supports item names and iLVL e.g. \"252\", \"<252\" etc");

    Search:SetScript("OnTextChanged", function ()
        GL:after(.5, "GDKP_MULTI_AUCTION_AUCTIONEER_FILTER_CHANGED", function ()
            self:filterAndSort();
        end);
    end);

    ---@type Button
    local SearchClear = CreateFrame("Button", nil, Window, "UIPanelCloseButton");
    SearchClear:SetPoint("TOPLEFT", Search, "TOPRIGHT", -1, 2);
    SearchClear:SetSize(26, 26);
    SearchClear:SetScript("OnClick", function ()
        Search:Clear();
    end);
    Interface:addTooltip(SearchClear, L.CLEAR);

    --[[ INCREMENT ]]
    ---@type FontString
    local IncLabel = Interface:createFontString(Window, L.INCREMENT);
    IncLabel:SetPoint("CENTER", Search, "CENTER");
    IncLabel:SetPoint("RIGHT", Window, "RIGHT", -50, 0);

    --[[ MINIMUM BID ]]
    ---@type FontString
    local MinLabel = Interface:createFontString(Window, L.MINIMUM);
    MinLabel:SetPoint("TOPRIGHT", IncLabel, "TOPLEFT", -20, 0);

    --[[ SCROLLFRAME BOILERPLATE ]]
    ScrollFrame = CreateFrame("ScrollFrame", nil, Window, "UIPanelScrollFrameTemplate")
    ScrollFrame:SetPoint("TOP", SelectAll, "BOTTOM", 0, -10);
    ScrollFrame:SetPoint("BOTTOM", Window, "BOTTOM", 0, 100);
    ScrollFrame:SetPoint("LEFT", Window, "LEFT", 16, 0);
    ScrollFrame:SetPoint("RIGHT", Window, "RIGHT", -44, 0);

    ItemHolder = CreateFrame("Frame");
    ScrollFrame:SetScrollChild(ItemHolder);
    ItemHolder:SetSize(ScrollFrame:GetWidth(), ( ScrollFrame:GetHeight() * 2 ));
    ItemHolder:SetPoint("TOPLEFT", ScrollFrame, "TOPLEFT");
    ItemHolder:SetPoint("BOTTOMRIGHT", ScrollFrame, "BOTTOMRIGHT");
    self.ItemHolder = ItemHolder;

    ---@type Frame
    local Items = CreateFrame("Frame", nil, ItemHolder);
    Items:SetAllPoints(ItemHolder);

    --[[ ADD AN ITEM TO THE WINDOW ]]
    Window.addItemByLink = function (_, link)
        GL:onItemLoadDo(GL:getItemIDFromLink(link), function (Details)
            if (not Details) then
                return;
            end

            ---@type Frame
            local ItemRow = CreateFrame("Frame", nil, ItemHolder);
            ItemRow:EnableMouse(true);
            ItemRow._Details = Details;

            ---@type table
            local PerItemSettings = GDKP:settingsForItemID(Details.id);
            ItemRow:SetHeight(ITEM_ROW_HEIGHT);

            ItemRow:SetPoint("TOPLEFT", ItemHolder, "TOPLEFT", 20, ((GL:count(self.ItemRows) * 20) * -1)  - 4);
            ItemRow:SetPoint("TOPRIGHT", ItemHolder, "TOPRIGHT", not GL.elvUILoaded and 0 or -4, 0);

            --[[ SELECT ]]
            ---@type CheckButton
            local Select = Interface:createCheckbox{
                Parent = ItemRow,
                checked = false,
            };
            ItemRow._Select = Select;
            Select:SetPoint("TOP", ItemRow, "TOP", 0, 2);
            Select:SetPoint("LEFT", SelectAll, "LEFT", 0, 0);

            ItemRow:SetScript("OnMouseUp", function ()
                Select:toggle();
            end);

            --[[ ITEM ICON ]]
            ---@type Frame
            local Icon = CreateFrame("Frame",nil, ItemRow);
            Icon:SetPoint("TOP", ItemRow, "TOP");
            Icon:SetPoint("LEFT", Search, "LEFT", -4, 0);
            Icon:SetSize(ITEM_ROW_HEIGHT - 4, ITEM_ROW_HEIGHT - 4);

            Interface:addTooltip(Icon, Details.link);

            ItemRow.Icon = Icon;

            ---@type Texture
            local Image = Icon:CreateTexture(nil, "BACKGROUND")
            Image:SetAllPoints(Icon);
            Image:SetTexture(Details.icon);

            --[[ ITEM LEVEL ]]
            if (Details.level) then
                ---@type FontString
                local ItemLevel = Interface:createFontString(Icon, Details.level);
                ItemLevel:SetPoint("BOTTOMLEFT", Icon, "BOTTOMLEFT", -3, -1);
                ItemLevel:SetFont(.8, "OUTLINE");
                ItemLevel:SetColor("ROGUE");
            end

            --[[ BOE ]]
            if (GL:inTable({ LE_ITEM_BIND_ON_EQUIP, LE_ITEM_BIND_QUEST }, Details.bindType)) then
                ---@type FontString
                local BOE = Interface:createFontString(Icon, "BOE");
                BOE:SetPoint("TOPLEFT", Icon, "TOPLEFT", -3, 3);
                BOE:SetFont(.8, "OUTLINE");
                BOE:SetColor("UNCOMMON");
            end

            --[[ MINIMUM ]]
            ---@type EditBox
            local MinInput = Interface:inputBox(ItemRow);
            MinInput:SetNumeric(true);
            MinInput:SetText(PerItemSettings.minimum);
            MinInput:SetWidth(42);
            MinInput:SetPoint("TOP", ItemRow, "TOP");
            MinInput:SetPoint("LEFT", MinLabel, "LEFT", 5, 0);
            MinInput:SetPoint("RIGHT", MinLabel, "RIGHT", 4, 0);
            ItemRow.MinInput = MinInput;

            --[[ INCREMENT ]]
            ---@type EditBox
            local IncInput = Interface:inputBox(ItemRow);
            IncInput:SetNumeric(true);
            IncInput:SetText(PerItemSettings.increment);
            IncInput:SetWidth(36);
            IncInput:SetPoint("TOP", ItemRow, "TOP");
            IncInput:SetPoint("LEFT", IncLabel, "LEFT", 5, 0);
            IncInput:SetPoint("RIGHT", IncLabel, "RIGHT", 4, 0);
            ItemRow.IncInput = IncInput;

            ---@type FontString
            local Name = Interface:createFontString(ItemRow, Details.link);
            Name:SetPoint("CENTER", Icon);
            Name:SetPoint("LEFT", Icon, "RIGHT", 4, 0);
            Name:SetPoint("RIGHT", MinInput, "LEFT", -6, 0);
            Name:SetHeight(20);

            tinsert(self.ItemRows, ItemRow);
        end);
    end;

    --[[ HOW TO ADD ITEMS ]]
    ---@type FontString
    local AddItemsLabel = Interface:createFontString(Window, ("With this window open, %s items to add them to the list or click \"Fill from inventory\" below"):format(GL.Settings:get("ShortcutKeys.rollOffOrAuction")));
    AddItemsLabel:SetFont(.8, "OUTLINE");
    AddItemsLabel:SetColor("GRAY");
    AddItemsLabel:SetPoint("TOPLEFT", ScrollFrame, "BOTTOMLEFT", 10, -10);

    --[[ TIME ]]
    ---@type FontString
    local TimeLabel = Interface:createFontString(Window, "Auction time in seconds");
    TimeLabel:SetPoint("TOPLEFT", AddItemsLabel, "BOTTOMLEFT", 0, -6);

    ---@type EditBox
    local TimeInput = Interface:inputBox(Window);
    TimeInput:SetNumeric(true);
    TimeInput:SetText(Settings:get("GDKP.MultiAuction.time"));
    TimeInput:SetWidth(30);
    TimeInput:SetPoint("TOPLEFT", TimeLabel, "TOPRIGHT", 8, 4);
    Interface:addTooltip(TimeInput, "How long do players have to bid on an item?");
    Window._TimeInput = TimeInput;


    --[[ ANTI SNIPE ]]
    ---@type FontString
    local AntiSnipeLabel = Interface:createFontString(Window, "Anti snipe in seconds");
    AntiSnipeLabel:SetPoint("CENTER", TimeLabel, "CENTER");
    AntiSnipeLabel:SetPoint("LEFT", TimeInput, "RIGHT", 4, 0);

    ---@type EditBox
    local AntiSnipeInput = Interface:inputBox(Window);
    AntiSnipeInput:SetNumeric(true);
    AntiSnipeInput:SetText(Settings:get("GDKP.MultiAuction.antiSnipe"));
    AntiSnipeInput:SetWidth(20);
    AntiSnipeInput:SetPoint("TOPLEFT", AntiSnipeLabel, "TOPRIGHT", 8, 4);
    Interface:addTooltip(AntiSnipeInput, L.ANTISNIPE_EXPLANATION);
    Window._AntiSnipeInput = AntiSnipeInput;

    --[[ CLEAR ]]
    ---@type Button
    local Clear = Interface:dynamicPanelButton(Window, "Clear");
    Clear:SetPoint("BOTTOMLEFT", Window, "BOTTOMLEFT", 20, 30);
    Clear:SetScript("OnClick", function ()
        self:clearItems();
    end);
    Interface:addTooltip(Clear, "Remove all items from the list");

    --[[ FILL FROM INVENTORY ]]
    ---@type Button
    local FillFromInventory = Interface:dynamicPanelButton(Window, "Fill from inventory");
    FillFromInventory:SetPoint("TOPLEFT", Clear, "TOPRIGHT", 2, 0);
    FillFromInventory:SetScript("OnClick", function ()
        GL.Interface.GDKP.MultiAuction.FillFromInventory:open();
    end);
    Interface:addTooltip(FillFromInventory, "Add tradeable items from your inventory to the list");

    --[[ NEXT STEP ]]
    ---@type Button
    local Next = Interface:dynamicPanelButton(Window, "Next");
    Next:SetPoint("CENTER", FillFromInventory, "CENTER");
    Next:SetPoint("RIGHT", Window, "RIGHT", -20, 0);
    Next:SetScript("OnClick", function ()
        local itemsWereChecked = (function()
            for _, Row in pairs(self.ItemRows or {}) do
                if (Row and Row._Select) then
                    if (Row._Select:GetChecked()) then
                        return true;
                    end
                end
            end

            return false;
        end)();

        if (not itemsWereChecked) then
            GL:error("Select at least one item for your auction");

            return;
        end

        local duration = tonumber(string.trim(Window._TimeInput:GetText())) or 0;
        if (duration < 10) then
            GL:error("The auction time in seconds needs to be >= 10");

            return;
        end

        local antiSnipe = tonumber(string.trim(Window._AntiSnipeInput:GetText())) or 0;
        if (antiSnipe < 0 or (antiSnipe > 0 and antiSnipe < 5)) then
            GL:error("The anti snipe value needs to be 0 (empty) or >=5");

            return;
        end

        GroupVersionCheck:open({
            {
                text = "Cancel",
                onClick = function ()
                    GroupVersionCheck:close();
                    self:open(true);
                end,
                tooltip = "Go back to the item selector",
            },
            {
                text = "Start",
                onClick = function (Results)
                    -- Everyone is up-to-date on Gargul, start!
                    if (GL:empty(Results.Outdated) and GL:empty(Results.Unresponsive)) then
                        self:start();
                        GroupVersionCheck:close();

                        return;
                    end

                    -- Start after double-checking if the user is OK with people potentially missing out
                    Interface.Dialogs.PopupDialog:open{
                        question = "Not everyone is up-to-date, are you sure you want to start the auction? Not everyone will be able to bid!",
                        OnYes = function ()
                            self:start();
                            GroupVersionCheck:close();
                        end,
                    };
                end,
                tooltip = "Start bids",
            },
        });

        self:close();
    end);
    Interface:addTooltip(Next, "Next step: check raider's add-on version for compatibility");

    return Window;
end

---@return void
function Auctioneer:clearItems()
    local Window = self:getWindow();

    if (not Window) then
        return;
    end

    for key, Item in pairs(self.ItemRows or {}) do
        Interface:release(Item);
        self.ItemRows[key] = nil;
    end

    self.ItemRows = {};
end

--- Sort auctions, filter them by all the possible filters
---
---@return void
function Auctioneer:filterAndSort()
    self.SelectAll:SetChecked(false);

    local filterValue = self.Search:GetText();
    local rowsShown = 0;
    local ItemHolder = self.ItemHolder;
    local RowsToShow = {};
    local filterConcernsLevel = false;
    local operator = filterValue:match('\>=') or nil;
    operator = operator and operator or filterValue:match('\<=');
    operator = operator and operator or filterValue:match('\>');
    operator = operator and operator or filterValue:match('\<');

    if (operator) then
        filterValue = filterValue:gsub(operator, "");
        filterValue = filterValue:gsub(" ", "");
    end

    if (GL:higherThanZero(tonumber(filterValue))) then
        filterValue = tonumber(filterValue);
        filterConcernsLevel = true;
    end

    ---@param ItemRow Frame
    for _, ItemRow in pairs(self.ItemRows or {}) do
        ItemRow:ClearAllPoints();
        ItemRow:SetAlpha(0);
        ItemRow:SetHeight(0);

        (function()
            -- Make sure we have all the required data and the auction is still active
            if (not ItemRow._Details
                or not ItemRow._Details.level
                or not ItemRow._Details.name
                or not ItemRow._Details.quality
            ) then
                return;
            end

            local itemLevel = ItemRow._Details.level;
            local name = ItemRow._Details.name;

            -- An item level was provided, filter!
            if (filterConcernsLevel) then
                if ((not operator and itemLevel ~= filterValue)
                    or (operator == "<=" and itemLevel > filterValue)
                    or (operator == ">=" and itemLevel < filterValue)
                    or (operator == ">" and itemLevel <= filterValue)
                    or (operator == "<" and itemLevel >= filterValue)
                ) then
                    return;
                end

            -- A (partial) item name was provided, filter!
            elseif (not GL:empty(filterValue)
                and not GL:strContains(name, filterValue)
            ) then
                return;
            end

            tinsert(RowsToShow, ItemRow);
        end)();
    end

    -- Sort the items by item level > quality > name
    table.sort(RowsToShow, function (a, b)
        if (a._Details.level == b._Details.level) then
            if (a._Details.quality ~= b._Details.quality) then
                return a._Details.quality > b._Details.quality;
            end

            return a._Details.name < b._Details.name;
        end

        return a._Details.level > b._Details.level;
    end);

    ---@param ItemRow Frame
    for _, ItemRow in pairs(RowsToShow or {}) do
        ItemRow:ClearAllPoints();
        ItemRow:SetAlpha(1);
        ItemRow:SetHeight(ITEM_ROW_HEIGHT);

        -- The -4 is needed to accomodate for a potential "BOE" flag on an item icon!
        ItemRow:SetPoint("TOPLEFT", ItemHolder, "TOPLEFT", 20, ((rowsShown * ITEM_ROW_HEIGHT) * -1) - 4);
        ItemRow:SetPoint("RIGHT", ItemHolder, "RIGHT", not GL.elvUILoaded and 0 or -4, 0);

        rowsShown = rowsShown + 1;
    end
end

---@return void
function Auctioneer:start()
    local ItemsUpForAuction = {};

    ---@type Frame
    local Window = self:getWindow();
    if (not Window) then
        return;
    end

    local duration = tonumber(string.trim(Window._TimeInput:GetText())) or 0;
    if (duration < 10) then
        GL:error("The auction time in seconds needs to be >= 10");

        return;
    end

    local antiSnipe = tonumber(string.trim(Window._AntiSnipeInput:GetText())) or 0;
    if (antiSnipe < 0 or (antiSnipe > 0 and antiSnipe < 5)) then
        GL:error("The anti snipe value needs to be 0 (empty) or >=5");

        return;
    end

    -- Check which items were selected and get their minimum/increment
    local itemsWereChecked = false;
    for _, ItemRow in pairs(self.ItemRows or {}) do
        (function()
            if (type(ItemRow) ~= "table" or not ItemRow._Details.link
                or (ItemRow._Select and not ItemRow._Select:GetChecked())
            ) then
                return;
            end

            local itemID = GL:getItemIDFromLink(ItemRow._Details.link);
            if (not itemID) then
                return;
            end

            tinsert(ItemsUpForAuction, {
                link = ItemRow._Details.link,
                minimum = tonumber(ItemRow.MinInput:GetText()) or 0,
                increment = tonumber(ItemRow.IncInput:GetText()) or 0,
            });

            itemsWereChecked = true;
        end)();
    end

    if (not itemsWereChecked) then
        GL:error("Select at least one item for your auction");

        return;
    end

    Settings:set("GDKP.MultiAuction.time", duration);
    Settings:set("GDKP.MultiAuction.antiSnipe", antiSnipe);

    -- Start the auction
    GL.GDKP.MultiAuction.Auctioneer:start(ItemsUpForAuction, duration, antiSnipe);

    -- Clear the item selection window
    self:clearItems();
    self.SelectAll:SetChecked(false);
end

---@return Frame
function Auctioneer:getWindow()
    return _G[self.windowName];
end