{ config, lib, pkgs, ... }:

let
  kongEntrypoint = pkgs.writeTextFile {
    name = "kong-entrypoint.sh";
    executable = true;
    text = builtins.readFile ./kong-entrypoint.sh;
  };

  envGenerateScript = pkgs.writeShellScript "supabase-env-generate"
    (builtins.readFile ./env-generate.sh);

  # Common extra options for all containers to join the supabase network
  supabaseNet = [ "--network=supabase-net" ];

in
{
  # --- SOPS secret ---
  sops.secrets.supabase-env = { };

  # --- Persistent data directories ---
  # Postgres data lives in a named podman volume (supabase-db-data) so podman
  # owns the permissions on the container's postgres UID; logical dumps go to
  # /var/backups/supabase where borg picks them up from /var.
  systemd.tmpfiles.rules = [
    "d /var/lib/supabase/storage 0755 root root -"
    "d /var/lib/supabase/functions 0755 root root -"
    "d /var/lib/supabase/snippets 0755 root root -"
    "d /var/backups/supabase 0700 root root -"
  ];


  # --- Systemd services: network, env generation, and container ordering ---
  systemd.services =
    let
      containerNames = [
        "supabase-db"
        "supabase-analytics"
        "supabase-auth"
        "supabase-rest"
        "supabase-realtime"
        "supabase-storage"
        "supabase-imgproxy"
        "supabase-meta"
        "supabase-studio"
        "supabase-kong"
        "supabase-vector"
        "supabase-pooler"
        "supabase-functions"
      ];
      mkContainerDeps = name: {
        "podman-${name}" = {
          after = [ "init-supabase-network.service" "supabase-env-generate.service" ];
          requires = [ "init-supabase-network.service" "supabase-env-generate.service" ];
        };
      };
    in
    lib.mkMerge (map mkContainerDeps containerNames ++ [
      {
        init-supabase-network = {
          description = "Create supabase-net Podman network";
          wantedBy = [ "multi-user.target" ];
          serviceConfig = {
            Type = "oneshot";
            RemainAfterExit = true;
            # '-' prefix tells systemd to ignore non-zero exit (network may already exist)
            ExecStart = "-${pkgs.podman}/bin/podman network create supabase-net";
          };
        };
        supabase-env-generate = {
          description = "Generate Supabase per-container env files from SOPS secrets";
          wantedBy = [ "multi-user.target" ];
          path = [ pkgs.jq ];
          serviceConfig = {
            Type = "oneshot";
            RemainAfterExit = true;
            ExecStart = "${envGenerateScript} ${config.sops.secrets.supabase-env.path}";
          };
        };
        # Seed the edge-runtime's bootstrap `main` function. The container's
        # entrypoint requires `/home/deno/functions/main/index.ts` to exist;
        # without it edge-runtime fails with "could not find an appropriate
        # entrypoint". Re-seed on every activation so updates to the bootstrap
        # are picked up, while leaving user-authored functions untouched.
        supabase-functions-seed = {
          description = "Seed Supabase edge-functions main bootstrap";
          wantedBy = [ "multi-user.target" ];
          serviceConfig = {
            Type = "oneshot";
            RemainAfterExit = true;
          };
          script = ''
            install -d -m 0755 /var/lib/supabase/functions/main
            install -m 0644 ${./functions/main/index.ts} /var/lib/supabase/functions/main/index.ts
          '';
        };
        podman-supabase-functions = {
          after = [ "supabase-functions-seed.service" ];
          requires = [ "supabase-functions-seed.service" ];
        };
        # Logical daily dump of the containerised Postgres cluster. Writes to
        # /var/backups/supabase which is covered by the borg path /var;
        # /var/lib/containers (the named-volume storage) is excluded from borg,
        # so the dump is the only copy borg ships off-host.
        supabase-db-backup = {
          description = "pg_dumpall of the Supabase Postgres cluster";
          after = [ "podman-supabase-db.service" ];
          requires = [ "podman-supabase-db.service" ];
          serviceConfig = {
            Type = "oneshot";
          };
          script = ''
            set -euo pipefail
            tmp=/var/backups/supabase/supabase-all.sql.tmp
            out=/var/backups/supabase/supabase-all.sql
            ${pkgs.podman}/bin/podman exec -u postgres supabase-db \
              pg_dumpall -U postgres --clean --if-exists > "$tmp"
            mv "$tmp" "$out"
          '';
        };
      }
    ]);

  systemd.timers.supabase-db-backup = {
    description = "Daily Supabase Postgres dump";
    wantedBy = [ "timers.target" ];
    timerConfig = {
      OnCalendar = "*-*-* 02:30:00";
      Persistent = true;
    };
  };

  # --- Containers ---
  virtualisation.oci-containers.containers = {

    # 1. PostgreSQL
    supabase-db = {
      image = "supabase/postgres:15.8.1.085";
      environment = {
        POSTGRES_HOST = "/var/run/postgresql";
        PGPORT = "5432";
        POSTGRES_PORT = "5432";
        PGDATABASE = "postgres";
        POSTGRES_DB = "postgres";
        JWT_EXP = "3600";
      };
      environmentFiles = [ "/run/supabase/db.env" ];
      volumes = [
        "supabase-db-data:/var/lib/postgresql/data"
        "${./sql/_supabase.sql}:/docker-entrypoint-initdb.d/migrations/97-_supabase.sql:ro"
        "${./sql/realtime.sql}:/docker-entrypoint-initdb.d/migrations/99-realtime.sql:ro"
        "${./sql/logs.sql}:/docker-entrypoint-initdb.d/migrations/99-logs.sql:ro"
        "${./sql/pooler.sql}:/docker-entrypoint-initdb.d/migrations/99-pooler.sql:ro"
        "${./sql/webhooks.sql}:/docker-entrypoint-initdb.d/init-scripts/98-webhooks.sql:ro"
        "${./sql/roles.sql}:/docker-entrypoint-initdb.d/init-scripts/99-roles.sql:ro"
        "${./sql/jwt.sql}:/docker-entrypoint-initdb.d/init-scripts/99-jwt.sql:ro"
        "supabase-db-config:/etc/postgresql-custom"
      ];
      cmd = [
        "postgres"
        "-c" "config_file=/etc/postgresql/postgresql.conf"
        "-c" "log_min_messages=fatal"
      ];
      extraOptions = supabaseNet ++ [
        "--network-alias=db"
        "--shm-size=2g"
      ];
    };

    # 2. Analytics (Logflare)
    supabase-analytics = {
      image = "supabase/logflare:1.31.2";
      dependsOn = [ "supabase-db" ];
      environment = {
        LOGFLARE_NODE_HOST = "127.0.0.1";
        DB_USERNAME = "supabase_admin";
        DB_DATABASE = "_supabase";
        DB_HOSTNAME = "db";
        DB_PORT = "5432";
        DB_SCHEMA = "_analytics";
        LOGFLARE_SINGLE_TENANT = "true";
        LOGFLARE_SUPABASE_MODE = "true";
        POSTGRES_BACKEND_SCHEMA = "_analytics";
        LOGFLARE_FEATURE_FLAG_OVERRIDE = "multibackend=true";
      };
      environmentFiles = [ "/run/supabase/analytics.env" ];
      extraOptions = supabaseNet ++ [
        "--network-alias=analytics"
      ];
    };

    # 3. Auth (GoTrue)
    supabase-auth = {
      image = "supabase/gotrue:v2.186.0";
      dependsOn = [ "supabase-db" "supabase-analytics" ];
      environment = {
        GOTRUE_API_HOST = "0.0.0.0";
        GOTRUE_API_PORT = "9999";
        API_EXTERNAL_URL = "https://supabase.cloonar.com";
        GOTRUE_DB_DRIVER = "postgres";
        GOTRUE_SITE_URL = "https://app.fueltide.io";
        GOTRUE_URI_ALLOW_LIST = "https://app.fueltide.io,https://app.fueltide.io/**,https://app.stage.fueltide.io,https://app.stage.fueltide.io/**,io.fueltide.workout://";
        GOTRUE_DISABLE_SIGNUP = "false";
        GOTRUE_JWT_ADMIN_ROLES = "service_role";
        GOTRUE_JWT_AUD = "authenticated";
        GOTRUE_JWT_DEFAULT_GROUP_NAME = "authenticated";
        GOTRUE_JWT_EXP = "3600";
        GOTRUE_EXTERNAL_EMAIL_ENABLED = "true";
        GOTRUE_EXTERNAL_ANONYMOUS_USERS_ENABLED = "false";
        GOTRUE_MAILER_AUTOCONFIRM = "false";
        GOTRUE_SMTP_ADMIN_EMAIL = "noreply@fueltide.io";
        GOTRUE_SMTP_HOST = "mail.cloonar.com";
        GOTRUE_SMTP_PORT = "587";
        GOTRUE_SMTP_SENDER_NAME = "Fueltide";
        GOTRUE_MAILER_URLPATHS_INVITE = "/auth/v1/verify";
        GOTRUE_MAILER_URLPATHS_CONFIRMATION = "/auth/v1/verify";
        GOTRUE_MAILER_URLPATHS_RECOVERY = "/auth/v1/verify";
        GOTRUE_MAILER_URLPATHS_EMAIL_CHANGE = "/auth/v1/verify";
        GOTRUE_EXTERNAL_PHONE_ENABLED = "false";
        GOTRUE_SMS_AUTOCONFIRM = "false";
        GOTRUE_EXTERNAL_GOOGLE_ENABLED = "true";
        GOTRUE_EXTERNAL_GOOGLE_REDIRECT_URI = "https://supabase.cloonar.com/auth/v1/callback";
        GOTRUE_EXTERNAL_APPLE_ENABLED = "true";
        GOTRUE_EXTERNAL_APPLE_CLIENT_ID = "io.fueltide.workout";
      };
      environmentFiles = [ "/run/supabase/auth.env" ];
      extraOptions = supabaseNet ++ [
        "--network-alias=auth"
      ];
    };

    # 4. REST (PostgREST)
    supabase-rest = {
      image = "postgrest/postgrest:v14.6";
      dependsOn = [ "supabase-db" ];
      environment = {
        PGRST_DB_SCHEMAS = "public,storage,graphql_public";
        PGRST_DB_MAX_ROWS = "1000";
        PGRST_DB_EXTRA_SEARCH_PATH = "public";
        PGRST_DB_ANON_ROLE = "anon";
        PGRST_DB_USE_LEGACY_GUCS = "false";
        PGRST_APP_SETTINGS_JWT_EXP = "3600";
      };
      environmentFiles = [ "/run/supabase/rest.env" ];
      cmd = [ "postgrest" ];
      extraOptions = supabaseNet ++ [
        "--network-alias=rest"
      ];
    };

    # 5. Realtime
    supabase-realtime = {
      image = "supabase/realtime:v2.76.5";
      dependsOn = [ "supabase-db" ];
      environment = {
        PORT = "4000";
        DB_HOST = "db";
        DB_PORT = "5432";
        DB_USER = "supabase_admin";
        DB_NAME = "postgres";
        DB_AFTER_CONNECT_QUERY = "SET search_path TO _realtime";
        DB_ENC_KEY = "supabaserealtime";
        ERL_AFLAGS = "-proto_dist inet_tcp";
        DNS_NODES = "''";
        RLIMIT_NOFILE = "10000";
        APP_NAME = "realtime";
        SEED_SELF_HOST = "true";
        RUN_JANITOR = "true";
        DISABLE_HEALTHCHECK_LOGGING = "true";
      };
      environmentFiles = [ "/run/supabase/realtime.env" ];
      extraOptions = supabaseNet ++ [
        # Hostname must be realtime-dev.supabase-realtime for tenant ID parsing
        "--hostname=realtime-dev.supabase-realtime"
        "--network-alias=realtime-dev.supabase-realtime"
      ];
    };

    # 6. Storage
    supabase-storage = {
      image = "supabase/storage-api:v1.44.2";
      dependsOn = [ "supabase-db" "supabase-rest" "supabase-imgproxy" ];
      environment = {
        POSTGREST_URL = "http://rest:3000";
        STORAGE_PUBLIC_URL = "https://supabase.cloonar.com";
        REQUEST_ALLOW_X_FORWARDED_PATH = "true";
        FILE_SIZE_LIMIT = "52428800";
        STORAGE_BACKEND = "file";
        GLOBAL_S3_BUCKET = "stub";
        FILE_STORAGE_BACKEND_PATH = "/var/lib/storage";
        TENANT_ID = "stub";
        REGION = "stub";
        ENABLE_IMAGE_TRANSFORMATION = "true";
        IMGPROXY_URL = "http://imgproxy:5001";
      };
      environmentFiles = [ "/run/supabase/storage.env" ];
      volumes = [
        "/var/lib/supabase/storage:/var/lib/storage"
      ];
      extraOptions = supabaseNet ++ [
        "--network-alias=storage"
      ];
    };

    # 7. Imgproxy
    supabase-imgproxy = {
      image = "darthsim/imgproxy:v3.30.1";
      environment = {
        IMGPROXY_BIND = ":5001";
        IMGPROXY_LOCAL_FILESYSTEM_ROOT = "/";
        IMGPROXY_USE_ETAG = "true";
        IMGPROXY_AUTO_WEBP = "true";
        IMGPROXY_MAX_SRC_RESOLUTION = "16.8";
      };
      volumes = [
        "/var/lib/supabase/storage:/var/lib/storage"
      ];
      extraOptions = supabaseNet ++ [
        "--network-alias=imgproxy"
      ];
    };

    # 8. Meta (pg-meta)
    supabase-meta = {
      image = "supabase/postgres-meta:v0.95.2";
      dependsOn = [ "supabase-db" ];
      environment = {
        PG_META_PORT = "8080";
        PG_META_DB_HOST = "db";
        PG_META_DB_PORT = "5432";
        PG_META_DB_NAME = "postgres";
        PG_META_DB_USER = "supabase_admin";
      };
      environmentFiles = [ "/run/supabase/meta.env" ];
      extraOptions = supabaseNet ++ [
        "--network-alias=meta"
      ];
    };

    # 9. Studio
    supabase-studio = {
      image = "supabase/studio:2026.03.16-sha-5528817";
      dependsOn = [ "supabase-analytics" ];
      environment = {
        HOSTNAME = "::";
        STUDIO_PG_META_URL = "http://meta:8080";
        POSTGRES_PORT = "5432";
        POSTGRES_HOST = "db";
        POSTGRES_DB = "postgres";
        PGRST_DB_SCHEMAS = "public,storage,graphql_public";
        PGRST_DB_MAX_ROWS = "1000";
        PGRST_DB_EXTRA_SEARCH_PATH = "public";
        DEFAULT_ORGANIZATION_NAME = "Default Organization";
        DEFAULT_PROJECT_NAME = "Default Project";
        SUPABASE_URL = "http://kong:8000";
        SUPABASE_PUBLIC_URL = "https://supabase.cloonar.com";
        NEXT_PUBLIC_ENABLE_LOGS = "true";
        NEXT_ANALYTICS_BACKEND_PROVIDER = "postgres";
        LOGFLARE_URL = "http://analytics:4000";
        SNIPPETS_MANAGEMENT_FOLDER = "/app/snippets";
        EDGE_FUNCTIONS_MANAGEMENT_FOLDER = "/app/edge-functions";
      };
      environmentFiles = [ "/run/supabase/studio.env" ];
      volumes = [
        "/var/lib/supabase/snippets:/app/snippets"
        "/var/lib/supabase/functions:/app/edge-functions"
      ];
      extraOptions = supabaseNet ++ [
        "--network-alias=studio"
      ];
    };

    # 10. Kong (API Gateway)
    supabase-kong = {
      image = "kong/kong:3.9.1";
      dependsOn = [ "supabase-studio" ];
      environment = {
        KONG_DATABASE = "off";
        KONG_DECLARATIVE_CONFIG = "/usr/local/kong/kong.yml";
        KONG_DNS_ORDER = "LAST,A,CNAME";
        KONG_DNS_NOT_FOUND_TTL = "1";
        KONG_PLUGINS = "request-transformer,cors,key-auth,acl,basic-auth,request-termination,ip-restriction,post-function";
        KONG_NGINX_PROXY_PROXY_BUFFER_SIZE = "160k";
        KONG_NGINX_PROXY_PROXY_BUFFERS = "64 160k";
        KONG_PROXY_ACCESS_LOG = "/dev/stdout combined";
      };
      environmentFiles = [ "/run/supabase/kong.env" ];
      ports = [
        "127.0.0.1:8000:8000"
        "127.0.0.1:8443:8443"
      ];
      volumes = [
        "${./kong.yml}:/home/kong/temp.yml:ro"
        "${kongEntrypoint}:/home/kong/kong-entrypoint.sh:ro"
      ];
      entrypoint = "/home/kong/kong-entrypoint.sh";
      extraOptions = supabaseNet ++ [
        "--network-alias=kong"
      ];
    };

    # 11. Vector (log collection)
    supabase-vector = {
      image = "timberio/vector:0.53.0-alpine";
      environment = { };
      environmentFiles = [ "/run/supabase/vector.env" ];
      volumes = [
        "${./vector.yml}:/etc/vector/vector.yml:ro"
        "/var/run/docker.sock:/var/run/docker.sock:ro"
      ];
      cmd = [ "--config" "/etc/vector/vector.yml" ];
      extraOptions = supabaseNet ++ [
        "--network-alias=vector"
        "--security-opt=label=disable"
      ];
    };

    # 12. Pooler (Supavisor)
    supabase-pooler = {
      image = "supabase/supavisor:2.7.4";
      dependsOn = [ "supabase-db" ];
      environment = {
        PORT = "4000";
        CLUSTER_POSTGRES = "true";
        REGION = "local";
        ERL_AFLAGS = "-proto_dist inet_tcp";
        POOLER_POOL_MODE = "transaction";
        POSTGRES_PORT = "5432";
        POSTGRES_DB = "postgres";
        POOLER_TENANT_ID = "default-tenant";
        POOLER_DEFAULT_POOL_SIZE = "20";
        POOLER_MAX_CLIENT_CONN = "100";
        DB_POOL_SIZE = "10";
      };
      environmentFiles = [ "/run/supabase/pooler.env" ];
      volumes = [
        "${./pooler.exs}:/etc/pooler/pooler.exs:ro"
      ];
      cmd = [
        "/bin/sh" "-c"
        "/app/bin/migrate && /app/bin/supavisor eval \"$(cat /etc/pooler/pooler.exs)\" && /app/bin/server"
      ];
      extraOptions = supabaseNet ++ [
        "--network-alias=pooler"
      ];
    };

    # 13. Edge Functions
    supabase-functions = {
      image = "supabase/edge-runtime:v1.71.2";
      dependsOn = [ "supabase-kong" ];
      environment = {
        SUPABASE_URL = "http://kong:8000";
        SUPABASE_PUBLIC_URL = "https://supabase.cloonar.com";
        VERIFY_JWT = "false";
      };
      environmentFiles = [ "/run/supabase/functions.env" ];
      volumes = [
        "/var/lib/supabase/functions:/home/deno/functions"
        "supabase-deno-cache:/root/.cache/deno"
      ];
      cmd = [ "start" "--main-service" "/home/deno/functions/main" ];
      extraOptions = supabaseNet ++ [
        "--network-alias=functions"
      ];
    };
  };

  # --- Nginx reverse proxy ---
  services.nginx.virtualHosts."supabase.cloonar.com" = {
    forceSSL = true;
    enableACME = true;
    acmeRoot = null;
    locations."/" = {
      proxyPass = "http://127.0.0.1:8000";
      proxyWebsockets = true;
      extraConfig = ''
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_read_timeout 86400s;
        proxy_send_timeout 86400s;
        client_max_body_size 50M;
      '';
    };
  };
}