const core = require("@actions/core")

console.log('Preparing stack deployment')

let portainerUrl = core.getInput("portainerUrl")
const accessToken = core.getInput("accessToken")
const stackId = parseInt(core.getInput("stackId"))
const endpointId = parseInt(core.getInput("endpointId"))
const environmentVariables = core.getInput("environment")

if (isNaN(stackId)) {
  core.setFailed("Stack ID must be integer")
  process.exit(1)
}

let client

if (portainerUrl.includes("http:")) {
  client = require("http")
} else {
  client = require("https")

  if (!portainerUrl.includes("https:")) {
    portainerUrl = `https://${portainerUrl}`
  }
}

if (portainerUrl.substring(portainerUrl.length - 1) === "/") {
  portainerUrl = portainerUrl.substring(0, portainerUrl.length - 1)
}

core.setSecret(portainerUrl)
core.setSecret(accessToken)

const postDataObject = {
  pullImage: true,
}

if (environmentVariables !== undefined && environmentVariables !== "") {
  postDataObject.env = JSON.parse(environmentVariables)
}

const postData = JSON.stringify(postDataObject)

console.log(`Deploying stack ${stackId} on portainer host ${portainerUrl} ${postDataObject.env ? 'With environment variables ' + JSON.stringify(postDataObject.env) : 'clearing all environment variables.'}`)

const req = client.request(`${portainerUrl}/api/stacks/${stackId}/git/redeploy` + (isNaN(endpointId) ? "" : `?endpointId=${endpointId}`), {
  method: "PUT",
  headers: {
    "X-API-Key": accessToken,
    "Content-Type": "application/json",
    "Content-Length": Buffer.byteLength(postData)
  }
}, (res) => {
  if (res.statusCode !== 200) {
    core.setFailed(res.statusMessage)
    process.exit(2)
  }
  console.log('Stack deployed successfully')
})
  .on("error", (error) => {
    core.setFailed(error.message)
    process.exit(3)
  })

req.write(postData)
req.end()