local awful = require("awful")

-- luacheck: globals modkey

local old_c = nil

local function get_callback(mod, key)
    local inf = {}
    awful.key(mod, key, nil, nil, inf)

    return inf.execute
end

-- Get a tag and a client
local function get_c_and_t()
    client.focus = old_c or client.get()[1]
    local c  = client.focus

    local t = c.screen.selected_tag

    return c, t
end

-- display deprecated warnings
--awful.util.deprecate = function() end

local steps = {

    function(count)
        if count <= 5 then
            awful.spawn("xterm")
        elseif #client.get() >= 5 then
            local c, _ = get_c_and_t()
            old_c = c

            return true
        end
    end,

    -- Wait for the focus to change
    function()
        assert(old_c)

        -- Test layout
        -- local cb = get_callback({modkey}, " ")
        -- assert(cb)

        --TODO use the key once the bug is fixed
        local l = old_c.screen.selected_tag.layout
        assert(l)

        -- cb()
        awful.layout.inc(1)

        assert(old_c.screen.selected_tag.layout ~= l)

        -- Test ontop

        assert(not old_c.ontop)
        get_callback({modkey}, "t")()
        awesome.sync()

        return true
    end,

    -- Ok, no now ontop should be true
    function()
        local _, t = get_c_and_t()

        -- Give awesome some time
        if not old_c.ontop then return nil end

        assert(old_c.ontop)

        -- Now, test the master_width_factor
        assert(t.master_width_factor == 0.5)

        get_callback({modkey}, "l")()
        awesome.sync()

        return true
    end,

    -- The master width factor should now be bigger
    function()
        local _, t = get_c_and_t()

        assert(t.master_width_factor == 0.55)

        -- Now, test the master_count
        assert(t.master_count == 1)

        get_callback({modkey, "Shift"}, "h")()
        awesome.sync()

        return true
    end,

    -- The number of master client should now be 2
    function()
        local _, t = get_c_and_t()

        assert(t.master_count == 2)

        -- Now, test the column_count
        assert(t.column_count == 1)

        get_callback({modkey, "Control"}, "h")()
        get_callback({modkey, "Shift"  }, "l")()
        awesome.sync()

        return true
    end,

    -- The number of columns should now be 2
    function()
        local _, t = get_c_and_t()

        assert(t.column_count == 2)

        -- Now, test the switching tag
        assert(t.index == 1)

        get_callback({modkey, }, "Right")()
        awesome.sync()

        return true
    end,

    -- The tag index should now be 2
    function()
        local tags = mouse.screen.tags
        --     local t = awful.screen.focused().selected_tag

        --     assert(t.index == 2)--FIXME

        assert(tags[1].index == 1)
        tags[1]:view_only()

        return true
    end,

    -- Before testing tags, lets make sure everything is still right
    function()
        local tags = mouse.screen.tags

        assert(tags[1].selected)

        local clients = mouse.screen.clients

        -- Make sure the clients are all on the same screen, they should be
        local c_scr = client.get()[1].screen

        for _, c in ipairs(client.get()) do
            assert(c_scr == c.screen)
        end

        -- Then this should be true
        assert(#clients == #client.get())

        assert(#mouse.screen.all_clients == #clients)

        assert(#mouse.screen.all_clients - #mouse.screen.hidden_clients == #clients)

        return true
    end,

    -- Now, test switching tags
    function()
        local tags = mouse.screen.tags
        local clients = mouse.screen.all_clients

        assert(#tags == 9)

        assert(#clients == 5)

        assert(mouse.screen.selected_tag == tags[1])

        for i=1, 9 do
            -- Check that assertion, because if it's false, the other assert()
            -- wont make any sense.
            assert(tags[i].index == i)
        end

        for i=1, 9 do
            tags[i]:view_only()
            assert(tags[i].selected)
            assert(#mouse.screen.selected_tags == 1)
        end

        tags[1]:view_only()

        return true
    end,

    -- Lets shift some clients around
    function()
        local tags = mouse.screen.tags

        -- Given all tags have been selected, the selection should be back on
        -- tags[1] and the client history should be kept
        assert(client.focus == old_c)

        --get_callback({modkey, "Shift"  }, "#"..(9+i))() --FIXME
        client.focus:move_to_tag(tags[2])

        assert(not client.focus)

        return true
    end,

    -- The client should be on tag 5
    function()
        -- Confirm the move did happen
        local tags = mouse.screen.tags
        assert(tags[1].selected)
        assert(#old_c:tags() == 1)
        assert(old_c:tags()[1] ~= tags[1])
        assert(not old_c:tags()[1].selected)

        -- The focus should have changed by now, as the tag isn't visible
        assert(client.focus ~= old_c)

        assert(old_c:tags()[1] == tags[2])

        assert(#tags[2]:clients() == 1)
        assert(#tags[1]:clients() == 4)

        return true
    end
}

require("_runner").run_steps(steps)