SFrames.Media = {
    -- Default ElvUI-like texture
    -- Default ElvUI-like texture
    -- Using the standard flat Vanilla UI status bar texture for a clean flat aesthetic
    statusbar = "Interface\\TargetingFrame\\UI-StatusBar",
    
    -- Fonts
    -- We can use a default WoW font, or eventually load a custom one here.
    font = "Fonts\\ARIALN.TTF",
    fontOutline = "OUTLINE",
}

-- Built-in font choices (includes Nanami-Plates bundled fonts)
SFrames.FontChoices = {
    { key = "default",   label = "默认 (ARIALN)",     path = "Fonts\\ARIALN.TTF" },
    { key = "frizqt",    label = "FRIZQT",            path = "Fonts\\FRIZQT__.TTF" },
    { key = "morpheus",  label = "Morpheus",           path = "Fonts\\MORPHEUS.TTF" },
    { key = "skurri",    label = "Skurri",             path = "Fonts\\SKURRI.TTF" },
    { key = "np_handwrite", label = "手写DF+DB",       path = "Interface\\AddOns\\Nanami-Plates\\fonts\\手写DF+DB.ttf" },
    { key = "np_pangwa",    label = "胖娃方正英文数字", path = "Interface\\AddOns\\Nanami-Plates\\fonts\\胖娃方正英文数字.ttf" },
    { key = "np_yahei_star", label = "雅黑+一星球",    path = "Interface\\AddOns\\Nanami-Plates\\fonts\\雅黑+一星球.ttf" },
    { key = "np_yahei_hand", label = "雅黑手写英文",   path = "Interface\\AddOns\\Nanami-Plates\\fonts\\雅黑手写英文.ttf" },
}

SFrames._fontLookup = {}
for _, entry in ipairs(SFrames.FontChoices) do
    SFrames._fontLookup[entry.key] = entry.path
end

function SFrames:GetSharedMedia()
    if LibStub then
        local ok, LSM = pcall(function() return LibStub("LibSharedMedia-3.0", true) end)
        if ok and LSM then return LSM end
    end
    return nil
end

SFrames.BarTextures = {
    { key = "default",      label = "默认",      path = "Interface\\TargetingFrame\\UI-StatusBar" },
    { key = "bar_elvui",    label = "ElvUI",     path = "Interface\\AddOns\\Nanami-UI\\img\\bar\\bar_elvui.tga" },
    { key = "bar_gradient", label = "渐变",      path = "Interface\\AddOns\\Nanami-UI\\img\\bar\\bar_gradient.tga" },
    { key = "bar_tukui",    label = "TukUI",     path = "Interface\\AddOns\\Nanami-UI\\img\\bar\\bar_tukui.tga" },
    { key = "flat",         label = "纯色",      path = "Interface\\Buttons\\WHITE8X8" },
}

SFrames._barTextureLookup = {}
for _, entry in ipairs(SFrames.BarTextures) do
    SFrames._barTextureLookup[entry.key] = entry.path
end

function SFrames:GetTexture()
    if SFramesDB and SFramesDB.barTexture then
        local builtin = self._barTextureLookup[SFramesDB.barTexture]
        if builtin then return builtin end

        local LSM = self:GetSharedMedia()
        if LSM then
            local path = LSM:Fetch("statusbar", SFramesDB.barTexture, true)
            if path then return path end
        end
    end
    return self.Media.statusbar
end

function SFrames:ResolveBarTexture(settingKey, fallbackKey)
    local key
    if SFramesDB and settingKey then
        key = SFramesDB[settingKey]
    end
    if (not key or key == "") and SFramesDB and fallbackKey then
        key = SFramesDB[fallbackKey]
    end
    if key and key ~= "" then
        local builtin = self._barTextureLookup[key]
        if builtin then return builtin end

        local LSM = self:GetSharedMedia()
        if LSM then
            local path = LSM:Fetch("statusbar", key, true)
            if path then return path end
        end
    end
    return self:GetTexture()
end

function SFrames:GetFont()
    -- 1. Check built-in font key
    if SFramesDB and SFramesDB.fontKey then
        local builtin = self._fontLookup[SFramesDB.fontKey]
        if builtin then return builtin end
    end
    -- 2. Fallback: LibSharedMedia font name
    if SFramesDB and SFramesDB.fontName then
        local LSM = self:GetSharedMedia()
        if LSM then
            local path = LSM:Fetch("font", SFramesDB.fontName, true)
            if path then return path end
        end
    end
    return self.Media.font
end

function SFrames:ResolveFont(settingKey, fallbackKey)
    local key
    if SFramesDB and settingKey then
        key = SFramesDB[settingKey]
    end
    if (not key or key == "") and SFramesDB and fallbackKey then
        key = SFramesDB[fallbackKey]
    end
    if key and key ~= "" then
        local builtin = self._fontLookup[key]
        if builtin then return builtin end
        local LSM = self:GetSharedMedia()
        if LSM then
            local path = LSM:Fetch("font", key, true)
            if path then return path end
        end
    end
    return self:GetFont()
end

function SFrames:ResolveFontOutline(settingKey, fallbackKey)
    local outline
    if SFramesDB and settingKey then
        outline = SFramesDB[settingKey]
    end
    if (not outline or outline == "") and SFramesDB and fallbackKey then
        outline = SFramesDB[fallbackKey]
    end
    if outline and outline ~= "" then
        return outline
    end
    return self.Media.fontOutline or "OUTLINE"
end

function SFrames:GetSharedMediaList(mediaType)
    local LSM = self:GetSharedMedia()
    if LSM and LSM.List then return LSM:List(mediaType) end
    return nil
end