# Copy to terraform.tfvars and fill in real credentials.
#   cp terraform.tfvars.example terraform.tfvars
# terraform.tfvars is gitignored (repo_url may carry a credential, and om_rclone_conf
# always does — both land in local state). NEVER commit real values.

# App secrets (POSTGRES_PASSWORD, THERMOGRAPH_AUTH_SECRET, VAPID keys,
# REGISTRY_TOKEN, Discord/SMTP creds, ...) are NOT here anymore -- they live in
# the SOPS+age vault (../deploy/secrets/*.yaml), rendered at deploy time. See
# deploy/secrets/README.md to rotate or add one.

# ---------------------------------------------------------------------------------
# Hosts
# ---------------------------------------------------------------------------------
# Two VPS boxes, keyed by HOST (vps1, vps2) — NOT by environment, because vps2
# alone carries two (prod AND beta). Each host lists its SSH identity once, then
# an `environments` map for whatever runs on it. (The `dev` branch deploys to
# vps1 the same way in reality, but the LAN-laptop `make dev-up` rehearsal is NOT
# managed by Terraform at all.)
hosts = {
  # vps1: Forgejo (git+CI+registry), Grafana/Loki/Alloy, emigriffith.dev, and the
  # `dev` environment. One environment today; the shape still nests it so a
  # second one (there is none planned) would never have to fight this host's
  # SSH identity.
  vps1 = {
    host                 = "75.119.132.91"
    ssh_user             = "agent"
    ssh_private_key_path = "~/.ssh/thermograph_agent_ed25519"

    environments = {
      dev = {
        role               = "dev"
        git_branch         = "dev" # the only environment that tracks `dev`; beta/prod track `main`
        backend_image_tag  = "REPLACE_WITH_BACKEND_IMAGE_TAG"
        frontend_image_tag = "REPLACE_WITH_FRONTEND_IMAGE_TAG"
        # Mesh-only: no public domain, no Caddy/TLS. Reachable at
        # http://10.10.0.2:8137 from the WireGuard mesh only.
        domain        = ""
        compose_files = ["docker-compose.yml"]
        app_dir       = "/opt/thermograph-dev"
        workers       = 4
        app_cpus      = 4
        db_cpus       = 2
        db_memory     = "8g"
      }
    }
  }

  # vps2: prod (thermograph.org) AND beta (beta.thermograph.org) as two separate
  # Swarm stacks on the SAME 48 GB / 12-core box — plus Centralis, Postfix and
  # the backups (not Terraform-managed). ONE shared TimescaleDB instance serves
  # both app_dirs below, on separate databases/roles (deploy/db/provision-env-db.sh);
  # each environment's db_cpus/db_memory here sizes only that environment's own
  # app-container caps, not a second database.
  vps2 = {
    host                 = "169.58.46.181"
    ssh_user             = "agent"
    ssh_private_key_path = "~/.ssh/thermograph_agent_ed25519"

    environments = {
      prod = {
        role               = "prod"
        git_branch         = "main"                            # this INFRA repo's branch -- see *_image_tag for the app versions
        backend_image_tag  = "REPLACE_WITH_BACKEND_IMAGE_TAG"  # e.g. "sha-abcdef012345" -- from thermograph-backend build-push.yml
        frontend_image_tag = "REPLACE_WITH_FRONTEND_IMAGE_TAG" # e.g. "sha-012345abcdef" -- from thermograph-frontend build-push.yml
        domain             = "thermograph.org"                 # Caddy TLS in front, app on loopback
        compose_files      = ["docker-compose.yml"]
        # MUST differ from beta's app_dir below -- see variables.tf's file header.
        app_dir = "/opt/thermograph"
        # "large" is the named size tier for this box (locals.sizes in main.tf) — same
        # numbers as hand-picking workers=8/app_cpus=8/db_cpus=4/db_memory="16g" below,
        # via the shortcut. The Postgres internal budget scales from db_memory
        # automatically (deploy/db/init/20-tuning.sh); no separate tuning edit.
        size = "large"
        # Self-host the ERA5 archive here: layers docker-compose.openmeteo.yml and
        # provisions the rclone mount of the object-storage bucket (om_* vars below).
        openmeteo   = true
        om_data_dir = "/mnt/om-archive"
      }

      beta = {
        role               = "beta"
        git_branch         = "main"
        backend_image_tag  = "REPLACE_WITH_BACKEND_IMAGE_TAG"
        frontend_image_tag = "REPLACE_WITH_FRONTEND_IMAGE_TAG"
        # "" ON PURPOSE, unlike prod above: modules/thermograph-host installs a
        # FULL /etc/caddy/Caddyfile per environment with a domain set, and only
        # ONE environment on a box can own that file. Prod already claims it on
        # this host, so beta.thermograph.org's public reverse-proxy has to be a
        # site block in vps2's shared, hand-maintained Caddy instead (the same
        # pattern deploy/forgejo/docker-stack.yml uses for git.thermograph.org
        # on vps1) -- not something this module can render for a second
        # environment on the same host.
        domain        = ""
        compose_files = ["docker-compose.yml"]
        # MUST differ from prod's app_dir above -- a SECOND checkout on the same
        # box, so a `git reset --hard` in one deploy can never yank the tree out
        # from under the other's running deploy.
        app_dir = "/opt/thermograph-beta"
        # Explicit numbers, not a size tier — both styles work on any environment; a
        # tier is purely an opt-in shortcut (see prod's `size = "large"` above).
        workers   = 4
        app_cpus  = 4
        db_cpus   = 2
        db_memory = "8g"
      }
    }
  }

  # UAT: an ephemeral, single-node environment — same images/topology shape as
  # prod, not prod's scale (design doc §6/§9). Uncomment once a UAT box exists;
  # not managed until then. "nano" keeps it cheap since it's destroyed when idle.
  # uat = {
  #   host                 = "REPLACE_WITH_UAT_VM_IP"
  #   ssh_user             = "agent"
  #   ssh_private_key_path = "~/.ssh/thermograph_agent_ed25519"
  #   environments = {
  #     uat = {
  #       role               = "uat"
  #       git_branch         = "main"
  #       backend_image_tag  = "REPLACE_WITH_BACKEND_IMAGE_TAG"
  #       frontend_image_tag = "REPLACE_WITH_FRONTEND_IMAGE_TAG"
  #       domain             = ""
  #       compose_files      = ["docker-compose.yml"]
  #       app_dir            = "/opt/thermograph"
  #       size               = "nano"
  #     }
  #   }
  # }
}

# GCP-created hosts — SCAFFOLD ONLY, empty by default, and still keyed one entry
# per ENVIRONMENT (see variables.tf's TODO(cutover) note on gcp_hosts — these are
# hypothetical single-purpose boxes, not vps1/vps2, so they don't need the
# host/environment nesting above). Populate an entry to have Terraform actually
# create a GCP Compute Engine VM (see modules/gcp-host); until then no google_*
# resource is planned and no GCP credentials are needed. Example:
# gcp_hosts = {
#   gcp-uat = {
#     project              = "REPLACE_WITH_GCP_PROJECT_ID"
#     zone                 = "us-west1-a"
#     machine_type         = "e2-medium"
#     ssh_user             = "agent"
#     ssh_public_key_path  = "~/.ssh/thermograph_agent_ed25519.pub"
#     ssh_private_key_path = "~/.ssh/thermograph_agent_ed25519"
#     role                 = "uat"
#     git_branch           = "main"
#     backend_image_tag    = "REPLACE_WITH_BACKEND_IMAGE_TAG"
#     frontend_image_tag   = "REPLACE_WITH_FRONTEND_IMAGE_TAG"
#     size                 = "nano"
#   }
# }

# Optional overrides (shown with their defaults):
# repo_url = "https://git.thermograph.org/emi/thermograph-infra.git"
# app_port = 8137
# frontend_port = 8080
#
# thermograph-infra is a PRIVATE repo, so a host cloning it for the first time
# needs read credentials embedded in repo_url, e.g. a Forgejo deploy token:
# repo_url = "https://deploy:REPLACE_WITH_TOKEN@git.thermograph.org/emi/thermograph-infra.git"

# ---------------------------------------------------------------------------------
# Self-hosted Open-Meteo archive (only used by environments with openmeteo = true)
# ---------------------------------------------------------------------------------
# The ERA5 .om archive lives in an object-storage bucket, rclone-mounted on the host.
# om_rclone_conf holds bucket credentials (sensitive; lands in state — keep out of git).
# See deploy/openmeteo/README.md for the bucket + mount setup.
om_bucket_remote = "om-archive:REPLACE_WITH_BUCKET_NAME"
om_vfs_cache_max = "80G"
om_rclone_conf   = <<-RCLONE
  [om-archive]
  type = s3
  provider = Cloudflare
  endpoint = https://REPLACE.r2.cloudflarestorage.com
  access_key_id = REPLACE_WITH_ACCESS_KEY
  secret_access_key = REPLACE_WITH_SECRET_KEY
  RCLONE
