terraform {
  required_version = ">= 1.0"
  required_providers {
    coder = {
      source  = "coder/coder"
      version = "~> 2.0"
    }
    docker = {
      source  = "kreuzwerker/docker"
      version = "~> 2.25"
    }
    envbuilder = {
      source  = "coder/envbuilder"
      version = "~> 1.0"
    }
  }
}

provider "coder" {}
provider "docker" {
  host = var.docker_socket != "" ? var.docker_socket : null
}
provider "envbuilder" {}

# Data Sources
data "coder_provisioner" "me" {}
data "coder_workspace" "me" {}
data "coder_workspace_owner" "me" {}

# Parameters
data "coder_parameter" "repo" {
  name         = "repo"
  display_name = "Repository"
  description  = "Select a repository to clone"
  mutable      = true
  order        = 1

  option {
    name        = "Custom Development Environment"
    description = "Full-stack development with all services"
    value       = "custom"
  }
  option {
    name        = "vercel/next.js"
    description = "The React Framework"
    value       = "https://github.com/vercel/next.js"
  }
  option {
    name        = "Custom URL"
    description = "Specify a custom repo URL below"
    value       = "custom-url"
  }
}

data "coder_parameter" "custom_repo_url" {
  name         = "custom_repo_url"
  display_name = "Custom Repository URL"
  description  = "Enter a custom repository URL"
  default      = ""
  mutable      = true
  order        = 2
}

data "coder_parameter" "enable_services" {
  name         = "enable_services"
  display_name = "Enable Database Services"
  description  = "Enable PostgreSQL, Redis, Qdrant, and Docker Registry"
  type         = "bool"
  default      = "true"
  mutable      = true
  order        = 3
}

data "coder_parameter" "enable_ai_tools" {
  name         = "enable_ai_tools"
  display_name = "Enable AI Assistant Tools"
  description  = "Install Claude Code and AI development tools"
  type         = "bool"
  default      = "true"
  mutable      = true
  order        = 4
}

# Local Variables
locals {
  # Container and workspace naming
  container_name = "coder-${data.coder_workspace_owner.me.name}-${lower(data.coder_workspace.me.name)}"
  workspace_id   = data.coder_workspace.me.id

  # Git configuration
  git_author_name  = coalesce(data.coder_workspace_owner.me.full_name, data.coder_workspace_owner.me.name)
  git_author_email = data.coder_workspace_owner.me.email

  # Repository URL logic
  repo_url = (
    data.coder_parameter.repo.value == "custom" ? "https://github.com/coder/envbuilder" :
    data.coder_parameter.repo.value == "custom-url" ? data.coder_parameter.custom_repo_url.value :
    data.coder_parameter.repo.value
  )

  # Development container image with all required tools
  devcontainer_image = var.devcontainer_image

  # Environment variables for the development container
  dev_environment = {
    # Git configuration
    "GIT_AUTHOR_NAME"     = local.git_author_name
    "GIT_AUTHOR_EMAIL"    = local.git_author_email
    "GIT_COMMITTER_NAME"  = local.git_author_name
    "GIT_COMMITTER_EMAIL" = local.git_author_email

    # Development tools
    "NODE_VERSION"   = var.node_version
    "PYTHON_VERSION" = var.python_version
    "RUST_VERSION"   = "stable"

    # Service URLs (when services are enabled)
    "POSTGRES_URL"        = data.coder_parameter.enable_services.value ? "postgresql://postgres:${var.postgres_password}@postgres-${local.workspace_id}:5432/postgres" : ""
    "REDIS_URL"           = data.coder_parameter.enable_services.value ? "redis://:${var.redis_password}@redis-${local.workspace_id}:6379" : ""
    "QDRANT_URL"          = data.coder_parameter.enable_services.value ? "http://qdrant-${local.workspace_id}:6333" : ""

    # Development configuration
    "EDITOR"      = "code"
    "PYTHONPATH"  = "/workspaces"
    "CARGO_HOME"  = "/home/coder/.cargo"
    "RUSTUP_HOME" = "/home/coder/.rustup"
  }

  # Legacy service URLs for backward compatibility
  postgres_url = "postgresql://postgres:${var.postgres_password}@postgres-${local.workspace_id}:5432/postgres"
  redis_url    = "redis://:${var.redis_password}@redis-${local.workspace_id}:6379"
  qdrant_url   = "http://qdrant-${local.workspace_id}:6333"
}

# Docker Network
resource "docker_network" "workspace" {
  name   = "coder-${local.workspace_id}"
  driver = "bridge"

  labels {
    label = "coder.workspace_id"
    value = local.workspace_id
  }
  labels {
    label = "coder.owner"
    value = data.coder_workspace_owner.me.name
  }
  labels {
    label = "coder.project"
    value = var.project_name
  }
}

# Workspace Volume
resource "docker_volume" "workspaces" {
  name = "workspaces-${local.workspace_id}"

  labels {
    label = "coder.workspace_id"
    value = local.workspace_id
  }
  labels {
    label = "coder.owner"
    value = data.coder_workspace_owner.me.name
  }
  labels {
    label = "coder.type"
    value = "workspace-data"
  }
}

# Development Container Image
resource "docker_image" "devcontainer" {
  name         = local.devcontainer_image
  keep_locally = true
}