import * as awsx from '@pulumi/awsx'
import * as eks from '@pulumi/eks'
import * as docker from '@pulumi/docker'
import * as pulumi from '@pulumi/pulumi'
import { configMapFromFile } from './configMap'
import * as k8s from '@pulumi/kubernetes'
import * as s3Helpers from './s3Helpers'
import { CaddyServiceDeployment } from 'pulumi-common'

require('dotenv').config()

const config = new pulumi.Config()
const awsConfig = new pulumi.Config('aws')
const isMinikube = config.getBoolean('isMinikube')
export let kubeconfig: pulumi.Output<any>
export let joystreamAppsImage: pulumi.Output<string>
let provider: k8s.Provider

if (isMinikube) {
  provider = new k8s.Provider('local', {})

  // Create image from local app
  joystreamAppsImage = new docker.Image('joystream/apps', {
    build: {
      context: '../../../',
      dockerfile: '../../../apps.Dockerfile',
    },
    imageName: 'joystream/apps:latest',
    skipPush: true,
  }).baseImageName
  // joystreamAppsImage = pulumi.interpolate`joystream/apps`
} else {
  // Create a VPC for our cluster.
  const vpc = new awsx.ec2.Vpc('query-node-vpc', { numberOfAvailabilityZones: 2, numberOfNatGateways: 1 })

  // Create an EKS cluster with the default configuration.
  const cluster = new eks.Cluster('eksctl-query-node', {
    vpcId: vpc.id,
    subnetIds: vpc.publicSubnetIds,
    desiredCapacity: 3,
    maxSize: 3,
    instanceType: 't2.large',
    providerCredentialOpts: {
      profileName: awsConfig.get('profile'),
    },
  })
  provider = cluster.provider

  // Export the cluster's kubeconfig.
  kubeconfig = cluster.kubeconfig

  // Create a repository
  const repo = new awsx.ecr.Repository('joystream/apps')

  joystreamAppsImage = repo.buildAndPushImage({
    dockerfile: '../../../apps.Dockerfile',
    context: '../../../',
  })
}

const resourceOptions = { provider: provider }

const name = 'query-node'

// Create a Kubernetes Namespace
const ns = new k8s.core.v1.Namespace(name, {}, resourceOptions)

// Export the Namespace name
export const namespaceName = ns.metadata.name

const appLabels = { appClass: name }

// Create a Deployment
const databaseLabels = { app: 'postgres-db' }

const pvc = new k8s.core.v1.PersistentVolumeClaim(
  `db-pvc`,
  {
    metadata: {
      labels: databaseLabels,
      namespace: namespaceName,
      name: `db-pvc`,
    },
    spec: {
      accessModes: ['ReadWriteOnce'],
      resources: {
        requests: {
          storage: `10Gi`,
        },
      },
    },
  },
  resourceOptions
)

const databaseDeployment = new k8s.apps.v1.Deployment(
  'postgres-db',
  {
    metadata: {
      namespace: namespaceName,
      labels: databaseLabels,
    },
    spec: {
      selector: { matchLabels: databaseLabels },
      template: {
        metadata: { labels: databaseLabels },
        spec: {
          containers: [
            {
              name: 'postgres-db',
              image: 'postgres:12',
              env: [
                { name: 'POSTGRES_USER', value: process.env.DB_USER! },
                { name: 'POSTGRES_PASSWORD', value: process.env.DB_PASS! },
                { name: 'POSTGRES_DB', value: process.env.INDEXER_DB_NAME! },
              ],
              ports: [{ containerPort: 5432 }],
              volumeMounts: [
                {
                  name: 'postgres-data',
                  mountPath: '/var/lib/postgresql/data',
                  subPath: 'postgres',
                },
              ],
            },
          ],
          volumes: [
            {
              name: 'postgres-data',
              persistentVolumeClaim: {
                claimName: `db-pvc`,
              },
            },
          ],
        },
      },
    },
  },
  resourceOptions
)

const databaseService = new k8s.core.v1.Service(
  'postgres-db',
  {
    metadata: {
      namespace: namespaceName,
      labels: databaseDeployment.metadata.labels,
      name: 'postgres-db',
    },
    spec: {
      ports: [{ port: 5432 }],
      selector: databaseDeployment.spec.template.metadata.labels,
    },
  },
  resourceOptions
)

const migrationJob = new k8s.batch.v1.Job(
  'db-migration',
  {
    metadata: {
      namespace: namespaceName,
    },
    spec: {
      backoffLimit: 0,
      template: {
        spec: {
          containers: [
            {
              name: 'db-migration',
              image: joystreamAppsImage,
              imagePullPolicy: 'IfNotPresent',
              resources: { requests: { cpu: '100m', memory: '100Mi' } },
              env: [
                {
                  name: 'WARTHOG_DB_HOST',
                  value: 'postgres-db',
                },
                {
                  name: 'DB_HOST',
                  value: 'postgres-db',
                },
                { name: 'DB_NAME', value: process.env.DB_NAME! },
                { name: 'DB_PASS', value: process.env.DB_PASS! },
              ],
              command: ['/bin/sh', '-c'],
              args: ['yarn workspace query-node-root db:prepare; yarn workspace query-node-root db:migrate'],
            },
          ],
          restartPolicy: 'Never',
        },
      },
    },
  },
  { ...resourceOptions, dependsOn: databaseService }
)

const membersFilePath = config.get('membersFilePath')
  ? config.get('membersFilePath')!
  : '../../../query-node/mappings/bootstrap/data/members.json'
const workersFilePath = config.get('workersFilePath')
  ? config.get('workersFilePath')!
  : '../../../query-node/mappings/bootstrap/data/workers.json'

const dataBucket = new s3Helpers.FileBucket('bootstrap-data', {
  files: [
    { path: membersFilePath, name: 'members.json' },
    { path: workersFilePath, name: 'workers.json' },
  ],
  policy: s3Helpers.publicReadPolicy,
})

const membersUrl = dataBucket.getUrlForFile('members.json')
const workersUrl = dataBucket.getUrlForFile('workers.json')

const dataPath = '/joystream/query-node/mappings/bootstrap/data'

const processorJob = new k8s.batch.v1.Job(
  'processor-migration',
  {
    metadata: {
      namespace: namespaceName,
    },
    spec: {
      backoffLimit: 0,
      template: {
        spec: {
          initContainers: [
            {
              name: 'curl-init',
              image: 'appropriate/curl',
              command: ['/bin/sh', '-c'],
              args: [
                pulumi.interpolate`curl -o ${dataPath}/workers.json ${workersUrl}; curl -o ${dataPath}/members.json ${membersUrl}; ls -al ${dataPath};`,
              ],
              volumeMounts: [
                {
                  name: 'bootstrap-data',
                  mountPath: dataPath,
                },
              ],
            },
          ],
          containers: [
            {
              name: 'processor-migration',
              image: joystreamAppsImage,
              imagePullPolicy: 'IfNotPresent',
              env: [
                {
                  name: 'INDEXER_ENDPOINT_URL',
                  value: `http://localhost:${process.env.WARTHOG_APP_PORT}/graphql`,
                },
                { name: 'TYPEORM_HOST', value: 'postgres-db' },
                { name: 'TYPEORM_DATABASE', value: process.env.DB_NAME! },
                { name: 'DEBUG', value: 'index-builder:*' },
                { name: 'PROCESSOR_POLL_INTERVAL', value: '1000' },
              ],
              volumeMounts: [
                {
                  name: 'bootstrap-data',
                  mountPath: dataPath,
                },
              ],
              args: ['workspace', 'query-node-root', 'processor:bootstrap'],
            },
          ],
          restartPolicy: 'Never',
          volumes: [
            {
              name: 'bootstrap-data',
              emptyDir: {},
            },
          ],
        },
      },
    },
  },
  { ...resourceOptions, dependsOn: migrationJob }
)

const defsConfig = new configMapFromFile(
  'defs-config',
  {
    filePath: '../../../types/augment/all/defs.json',
    namespaceName: namespaceName,
  },
  resourceOptions
).configName

const indexerContainer = []

const existingIndexer = config.get('indexerURL')

if (!existingIndexer) {
  indexerContainer.push({
    name: 'indexer',
    image: 'joystream/hydra-indexer:2.1.0-beta.9',
    env: [
      { name: 'DB_HOST', value: 'postgres-db' },
      { name: 'DB_NAME', value: process.env.INDEXER_DB_NAME! },
      { name: 'DB_PASS', value: process.env.DB_PASS! },
      { name: 'INDEXER_WORKERS', value: '5' },
      { name: 'REDIS_URI', value: 'redis://localhost:6379/0' },
      { name: 'DEBUG', value: 'index-builder:*' },
      { name: 'WS_PROVIDER_ENDPOINT_URI', value: process.env.WS_PROVIDER_ENDPOINT_URI! },
      { name: 'TYPES_JSON', value: 'types.json' },
      { name: 'PGUSER', value: process.env.DB_USER! },
      { name: 'BLOCK_HEIGHT', value: process.env.BLOCK_HEIGHT! },
    ],
    volumeMounts: [
      {
        mountPath: '/home/hydra/packages/hydra-indexer/types.json',
        name: 'indexer-volume',
        subPath: 'fileData',
      },
    ],
    command: ['/bin/sh', '-c'],
    args: ['yarn db:bootstrap && yarn start:prod'],
  })
}

const deployment = new k8s.apps.v1.Deployment(
  name,
  {
    metadata: {
      namespace: namespaceName,
      labels: appLabels,
    },
    spec: {
      replicas: 1,
      selector: { matchLabels: appLabels },
      template: {
        metadata: {
          labels: appLabels,
        },
        spec: {
          containers: [
            {
              name: 'redis',
              image: 'redis:6.0-alpine',
              ports: [{ containerPort: 6379 }],
            },
            ...indexerContainer,
            {
              name: 'hydra-indexer-gateway',
              image: 'joystream/hydra-indexer-gateway:2.1.0-beta.5',
              env: [
                { name: 'WARTHOG_STARTER_DB_DATABASE', value: process.env.INDEXER_DB_NAME! },
                { name: 'WARTHOG_STARTER_DB_HOST', value: 'postgres-db' },
                { name: 'WARTHOG_STARTER_DB_PASSWORD', value: process.env.DB_PASS! },
                { name: 'WARTHOG_STARTER_DB_PORT', value: process.env.DB_PORT! },
                { name: 'WARTHOG_STARTER_DB_USERNAME', value: process.env.DB_USER! },
                { name: 'WARTHOG_STARTER_REDIS_URI', value: 'redis://localhost:6379/0' },
                { name: 'WARTHOG_APP_PORT', value: process.env.WARTHOG_APP_PORT! },
                { name: 'PORT', value: process.env.WARTHOG_APP_PORT! },
                { name: 'DEBUG', value: '*' },
              ],
              ports: [{ containerPort: 4002 }],
            },
            {
              name: 'graphql-server',
              image: joystreamAppsImage,
              imagePullPolicy: 'IfNotPresent',
              env: [
                { name: 'DB_HOST', value: 'postgres-db' },
                { name: 'DB_PASS', value: process.env.DB_PASS! },
                { name: 'DB_USER', value: process.env.DB_USER! },
                { name: 'DB_PORT', value: process.env.DB_PORT! },
                { name: 'DB_NAME', value: process.env.DB_NAME! },
                { name: 'GRAPHQL_SERVER_HOST', value: process.env.GRAPHQL_SERVER_HOST! },
                { name: 'GRAPHQL_SERVER_PORT', value: process.env.GRAPHQL_SERVER_PORT! },
              ],
              ports: [{ name: 'graph-ql-port', containerPort: Number(process.env.GRAPHQL_SERVER_PORT!) }],
              args: ['workspace', 'query-node-root', 'query-node:start:prod'],
            },
          ],
          volumes: [
            {
              name: 'indexer-volume',
              configMap: {
                name: defsConfig,
              },
            },
          ],
        },
      },
    },
  },
  { ...resourceOptions, dependsOn: processorJob }
)

// Export the Deployment name
export const deploymentName = deployment.metadata.name

// Create a LoadBalancer Service for the NGINX Deployment
const service = new k8s.core.v1.Service(
  name,
  {
    metadata: {
      labels: appLabels,
      namespace: namespaceName,
      name: 'query-node',
    },
    spec: {
      ports: [
        { name: 'port-1', port: 8081, targetPort: 'graph-ql-port' },
        { name: 'port-2', port: 4000, targetPort: 4002 },
      ],
      selector: appLabels,
    },
  },
  resourceOptions
)

// Export the Service name
export const serviceName = service.metadata.name

const indexerURL = config.get('indexerURL') || `http://query-node:4000/graphql`

const processorDeployment = new k8s.apps.v1.Deployment(
  `processor`,
  {
    metadata: {
      namespace: namespaceName,
      labels: appLabels,
    },
    spec: {
      replicas: 1,
      selector: { matchLabels: appLabels },
      template: {
        metadata: {
          labels: appLabels,
        },
        spec: {
          containers: [
            {
              name: 'processor',
              image: joystreamAppsImage,
              imagePullPolicy: 'IfNotPresent',
              env: [
                {
                  name: 'INDEXER_ENDPOINT_URL',
                  value: indexerURL,
                },
                { name: 'TYPEORM_HOST', value: 'postgres-db' },
                { name: 'TYPEORM_DATABASE', value: process.env.DB_NAME! },
                { name: 'DEBUG', value: 'index-builder:*' },
                { name: 'PROCESSOR_POLL_INTERVAL', value: '1000' },
              ],
              volumeMounts: [
                {
                  mountPath: '/joystream/query-node/mappings/lib/generated/types/typedefs.json',
                  name: 'processor-volume',
                  subPath: 'fileData',
                },
              ],
              command: ['/bin/sh', '-c'],
              args: ['cd query-node && yarn hydra-processor run -e ../.env'],
            },
          ],
          volumes: [
            {
              name: 'processor-volume',
              configMap: {
                name: defsConfig,
              },
            },
          ],
        },
      },
    },
  },
  { ...resourceOptions, dependsOn: deployment }
)

const caddyEndpoints = [
  `/indexer/* {
    uri strip_prefix /indexer
    reverse_proxy query-node:4000
}`,
  `/server/* {
    uri strip_prefix /server
    reverse_proxy query-node:8081
}`,
]

const lbReady = config.get('isLoadBalancerReady') === 'true'
const caddy = new CaddyServiceDeployment(
  'caddy-proxy',
  { lbReady, namespaceName: namespaceName, isMinikube, caddyEndpoints },
  resourceOptions
)

export const endpoint1 = caddy.primaryEndpoint
export const endpoint2 = caddy.secondaryEndpoint