<meta http-equiv="Content-Security-Policy"
content="default-src 'self'
{%- if config.extra.allowed_domains -%}
;
    {#- Check if a comment system is enabled to allow the necessary domains and directives -#}
    {%- set utterances_enabled = config.extra.utterances.enabled_for_all_posts or page.extra.utterances -%}
    {%- set giscus_enabled = config.extra.giscus.enabled_for_all_posts or page.extra.giscus -%}
    {%- set hyvortalk_enabled = config.extra.hyvortalk.enabled_for_all_posts or page.extra.hyvortalk -%}
    {%- set isso_enabled = config.extra.isso.enabled_for_all_posts or page.extra.isso -%}
    {%- if page -%}
        {%- set mermaid_enabled = macros_settings::evaluate_setting_priority(setting="mermaid", page=page, default_global_value=false) == "true" -%}
    {%- endif -%}
    {%- set serve_local_mermaid = config.extra.serve_local_mermaid | default(value=true) -%}

    {#- Initialise a base script-src directive -#}
    {%- set script_src = "script-src 'self'" -%}

    {#- Initialise a base connect-src directive -#}
    {%- set connect_src = "connect-src 'self'" -%}

    {# Base logic for appending analytics domains #}
    {%- set analytics_url = config.extra.analytics.self_hosted_url | default(value="") %}
    {%- if analytics_url -%}
        {%- set script_src = script_src ~ " " ~ analytics_url -%}
        {%- set connect_src = connect_src ~ " " ~ analytics_url -%}
    {%- else -%}
        {%- if config.extra.analytics.service -%}
            {%- if config.extra.analytics.service == "goatcounter" -%}
                {%- set script_src = script_src ~ " gc.zgo.at" -%}
                {%- set connect_src = connect_src ~ " " ~ config.extra.analytics.id ~ ".goatcounter.com/count" -%}
            {%- elif config.extra.analytics.service == "umami" -%}
                {%- set script_src = script_src ~ " cloud.umami.is" -%}
                {%- set connect_src = connect_src ~ " *.umami.dev" ~ " cloud.umami.is" -%}
            {%- elif config.extra.analytics.service == "plausible" -%}
                {%- set script_src = script_src ~ " plausible.io" -%}
                {%- set connect_src = connect_src ~ " plausible.io" -%}
            {%- endif -%}
        {%- endif -%}
    {%- endif -%}

    {%- if hyvortalk_enabled -%}
        {%- set connect_src = connect_src ~ " talk.hyvor.com" -%}
        {%- set script_src = script_src ~ " talk.hyvor.com" -%}
    {%- elif isso_enabled -%}
        {%- set connect_src = connect_src ~ " " ~ config.extra.isso.endpoint_url -%}
        {%- set script_src = script_src ~ " " ~ config.extra.isso.endpoint_url -%}
    {%- elif giscus_enabled -%}
        {%- set script_src = script_src ~ " " ~ " giscus.app" -%}
    {%- elif utterances_enabled -%}
        {%- set script_src = script_src ~ " " ~ " utteranc.es" -%}
    {%- endif -%}

    {%- if mermaid_enabled and not serve_local_mermaid -%}
        {%- set script_src = script_src ~ " " ~ " cdn.jsdelivr.net" -%}
    {%- endif -%}

    {#- Append WebSocket for Zola serve mode -#}
    {%- if config.mode == "serve" -%}
        {%- set connect_src = connect_src ~ " ws:" -%}
    {%- endif -%}

    {%- for domain in config.extra.allowed_domains -%}
        {%- if domain.directive == "connect-src" -%}
            {%- set configured_connect_src = domain.domains | join(sep=' ') -%}
            {%- set_global connect_src = connect_src ~ " " ~ configured_connect_src  -%}
            {%- continue -%}
        {%- endif -%}

        {%- if domain.directive == "script-src" -%}
            {%- set configured_script_src = domain.domains | join(sep=' ') -%}
            {%- set_global script_src = script_src ~ " " ~ configured_script_src  -%}
            {%- continue -%}
        {%- endif -%}

        {#- Handle directives that are not connect-src -#}
        {{ domain.directive }} {{ domain.domains | join(sep=' ') -}}

        {%- if domain.directive == "style-src" -%}
            {%- if utterances_enabled or hyvortalk_enabled or mermaid_enabled %} 'unsafe-inline'
            {%- endif -%}
        {%- endif -%}

        {%- if domain.directive == "font-src" -%}
            {%- if mermaid_enabled %} 'self'
            {%- endif -%}
        {%- endif -%}

        {%- if domain.directive == "frame-src" -%}
            {%- if giscus_enabled %} giscus.app
            {%- elif utterances_enabled %} utteranc.es
            {%- elif hyvortalk_enabled %} talk.hyvor.com
            {%- endif %}
        {%- endif -%}

        {%- if not loop.last -%}
        ;
        {%- endif -%}
    {%- endfor -%}

    {#- Insert the generated connect-src -#}
    {{ ";" ~ connect_src }}

    {#- Insert the generated script-src -#}
    {{ ";" ~ script_src }}

{%- endif -%}">
