# Gitea — local git server for private/sensitive infrastructure repos
# Accessible at git.neuralplatform.dev (internal only, real TLS)

resource "kubernetes_config_map" "gitea_custom_css" {
  metadata {
    name      = "gitea-custom-css"
    namespace = kubernetes_namespace.git.metadata[0].name
  }

  data = {
    "header.tmpl" = <<-TMPL
      <link rel="stylesheet" href="/assets/css/custom.css">
    TMPL


    "custom.css" = <<-CSS
      /* ── Typography & base ── */
      :root {
        --color-primary: #6366f1;
        --color-primary-dark: #4f46e5;
        --color-secondary: #8b5cf6;
        --color-bg: #0f0f17;
        --color-surface: #16161f;
        --color-surface-2: #1e1e2e;
        --color-border: #2a2a3d;
        --color-text: #e2e2f0;
        --color-text-muted: #8888aa;
        --color-green: #22d3a5;
        --radius: 10px;
      }

      body {
        background: var(--color-bg) !important;
        color: var(--color-text) !important;
        font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
      }

      /* ── Top navbar ── */
      .navbar, #navbar {
        background: var(--color-surface) !important;
        border-bottom: 1px solid var(--color-border) !important;
        box-shadow: 0 1px 12px rgba(0,0,0,0.4) !important;
      }

      .navbar .brand svg, .navbar .brand img { filter: brightness(1.2); }

      /* ── Sidebar & panels ── */
      .repository, .ui.container, .ui.segment,
      .ui.card, .ui.cards > .card {
        background: var(--color-surface) !important;
        border: 1px solid var(--color-border) !important;
        border-radius: var(--radius) !important;
      }

      /* ── Buttons ── */
      .ui.primary.button, .ui.green.button {
        background: var(--color-primary) !important;
        border: none !important;
        border-radius: 8px !important;
      }
      .ui.primary.button:hover { background: var(--color-primary-dark) !important; }

      /* ── Inputs ── */
      input, textarea, select,
      .ui.input > input, .ui.dropdown {
        background: var(--color-surface-2) !important;
        border: 1px solid var(--color-border) !important;
        color: var(--color-text) !important;
        border-radius: 8px !important;
      }

      /* ── Sign-in page ── */
      .user.signin .ui.segment,
      .user.signup .ui.segment {
        background: var(--color-surface) !important;
        border: 1px solid var(--color-border) !important;
        border-radius: 16px !important;
        box-shadow: 0 8px 32px rgba(0,0,0,0.5) !important;
        padding: 2.5rem !important;
      }

      /* ── Repo file tree ── */
      .repository.file.list .file-list {
        background: var(--color-surface) !important;
        border-radius: var(--radius) !important;
        border: 1px solid var(--color-border) !important;
      }

      .repository.file.list .file-list tr:hover td {
        background: var(--color-surface-2) !important;
      }

      /* ── Labels & badges ── */
      .ui.label { border-radius: 6px !important; }

      /* ── Dashboard activity feed ── */
      .feeds .news { border-bottom: 1px solid var(--color-border) !important; }

      /* ── Code blocks ── */
      pre, code {
        background: var(--color-surface-2) !important;
        border: 1px solid var(--color-border) !important;
        border-radius: 6px !important;
      }

      /* ── Muted footer ── */
      #footer {
        background: var(--color-surface) !important;
        border-top: 1px solid var(--color-border) !important;
        color: var(--color-text-muted) !important;
      }
    CSS
  }
}

resource "kubernetes_namespace" "git" {
  metadata {
    name = "git"
    labels = {
      managed-by = "terraform"
      tier       = "infrastructure"
    }
  }
}

resource "kubernetes_persistent_volume_claim" "gitea_data" {
  wait_until_bound = false
  metadata {
    name      = "gitea-data"
    namespace = kubernetes_namespace.git.metadata[0].name
  }
  spec {
    access_modes = ["ReadWriteOnce"]
    resources {
      requests = {
        storage = "20Gi"
      }
    }
  }
}

resource "kubernetes_secret" "gitea_db_secret" {
  metadata {
    name      = "gitea-db"
    namespace = kubernetes_namespace.git.metadata[0].name
  }
  data = {
    password = var.gitea_db_password
  }
}

resource "kubernetes_deployment" "gitea" {
  metadata {
    name      = "gitea"
    namespace = kubernetes_namespace.git.metadata[0].name
    labels    = { app = "gitea" }
  }

  spec {
    replicas = 1
    strategy { type = "Recreate" }

    selector {
      match_labels = { app = "gitea" }
    }

    template {
      metadata {
        labels = { app = "gitea" }
      }

      spec {
        container {
          name  = "gitea"
          image = "gitea/gitea:1.22"

          port {
            name           = "http"
            container_port = 3000
          }
          port {
            name           = "ssh"
            container_port = 22
          }

          env {
            name  = "GITEA__database__DB_TYPE"
            value = "postgres"
          }
          env {
            name  = "GITEA__database__HOST"
            value = "postgres-postgresql.platform.svc.cluster.local:5432"
          }
          env {
            name  = "GITEA__database__NAME"
            value = "gitea"
          }
          env {
            name  = "GITEA__database__USER"
            value = "gitea"
          }
          env {
            name = "GITEA__database__PASSWD"
            value_from {
              secret_key_ref {
                name = kubernetes_secret.gitea_db_secret.metadata[0].name
                key  = "password"
              }
            }
          }
          env {
            name  = "GITEA__server__DOMAIN"
            value = var.gitea_domain
          }
          env {
            name  = "GITEA__server__ROOT_URL"
            value = "https://${var.gitea_domain}"
          }
          env {
            name  = "GITEA__server__SSH_DOMAIN"
            value = var.gitea_domain
          }
          env {
            name  = "GITEA__server__SSH_PORT"
            value = "30022"
          }
          env {
            name  = "GITEA__server__START_SSH_SERVER"
            value = "false"
          }
          env {
            name  = "GITEA__service__DISABLE_REGISTRATION"
            value = "true"
          }
          env {
            name  = "GITEA__service__REQUIRE_SIGNIN_VIEW"
            value = "true"
          }
          env {
            name  = "GITEA__security__INSTALL_LOCK"
            value = "true"
          }
          env {
            name  = "GITEA__packages__ENABLED"
            value = "true"
          }

          env {
            name  = "GITEA__webhook__ALLOWED_HOST_LIST"
            value = "192.168.0.0/24,10.0.0.0/8"
          }

          volume_mount {
            name       = "data"
            mount_path = "/data"
          }

          volume_mount {
            name       = "custom-css"
            mount_path = "/data/gitea/custom/public/assets/css/custom.css"
            sub_path   = "custom.css"
          }

          volume_mount {
            name       = "custom-css"
            mount_path = "/data/gitea/custom/templates/custom/header.tmpl"
            sub_path   = "header.tmpl"
          }

          resources {
            requests = {
              memory = "256Mi"
              cpu    = "100m"
            }
            limits = {
              memory = "512Mi"
              cpu    = "500m"
            }
          }
        }

        volume {
          name = "data"
          persistent_volume_claim {
            claim_name = kubernetes_persistent_volume_claim.gitea_data.metadata[0].name
          }
        }

        volume {
          name = "custom-css"
          config_map {
            name = kubernetes_config_map.gitea_custom_css.metadata[0].name
          }
        }
      }
    }
  }

  depends_on = [helm_release.postgres]
}

resource "kubernetes_service" "gitea" {
  metadata {
    name      = "gitea"
    namespace = kubernetes_namespace.git.metadata[0].name
  }

  spec {
    selector = { app = "gitea" }

    port {
      name        = "http"
      port        = 3000
      target_port = 3000
    }

    port {
      name        = "ssh"
      port        = 22
      target_port = 22
      node_port   = 30022
    }

    type = "NodePort"
  }
}

resource "kubernetes_ingress_v1" "gitea" {
  metadata {
    name      = "gitea"
    namespace = kubernetes_namespace.git.metadata[0].name
    annotations = {
      "traefik.ingress.kubernetes.io/router.entrypoints" = "websecure"
      "cert-manager.io/cluster-issuer"                   = "letsencrypt-prod"
    }
  }

  spec {
    tls {
      hosts       = [var.gitea_domain]
      secret_name = "gitea-tls"
    }
    rule {
      host = var.gitea_domain
      http {
        path {
          path      = "/"
          path_type = "Prefix"
          backend {
            service {
              name = kubernetes_service.gitea.metadata[0].name
              port { number = 3000 }
            }
          }
        }
      }
    }
  }

  depends_on = [helm_release.cert_manager]
}