var common = require("../common-tap.js")
var test = require("tap").test
var npm = require("../../")
var path = require("path")
var fs = require("fs")
var rimraf = require("rimraf")
var mkdirp = require("mkdirp")
var pkg = path.join(__dirname, "install-save-prefix")
var mr = require("npm-registry-mock")

test("setup", function (t) {
  mkdirp.sync(pkg)
  mkdirp.sync(path.resolve(pkg, "node_modules"))
  process.chdir(pkg)
  t.end()
})

test("npm install --save with default save-prefix should install local pkg versioned to allow minor updates", function (t) {
  resetPackageJSON(pkg)
  mr({port : common.port}, function (er, s) {
    npm.load({
      cache: pkg + "/cache",
      loglevel: "silent",
      "save-prefix": "^",
      registry: common.registry }, function (err) {
        t.ifError(err)
        npm.config.set("save", true)
        npm.commands.install(["underscore@latest"], function (err) {
          t.ifError(err)
          var p = path.resolve(pkg, "node_modules/underscore/package.json")
          t.ok(JSON.parse(fs.readFileSync(p)))
          var pkgJson = JSON.parse(fs.readFileSync(pkg + "/package.json", "utf8"))
          t.deepEqual(pkgJson.dependencies, {
            "underscore": "^1.5.1"
          }, "Underscore dependency should specify ^1.5.1")
          npm.config.set("save", undefined)
          s.close()
          t.end()
        })
      })
  })
})

test("npm install --save-dev with default save-prefix should install local pkg to dev dependencies versioned to allow minor updates", function (t) {
  resetPackageJSON(pkg)
  mr({port : common.port}, function (er, s) {
    npm.load({
      cache: pkg + "/cache",
      loglevel: "silent",
      "save-prefix": "^",
      registry: common.registry }, function (err) {
        t.ifError(err)
        npm.config.set("save-dev", true)
        npm.commands.install(["underscore@1.3.1"], function (err) {
          t.ifError(err)
          var p = path.resolve(pkg, "node_modules/underscore/package.json")
          t.ok(JSON.parse(fs.readFileSync(p)))
          var pkgJson = JSON.parse(fs.readFileSync(pkg + "/package.json", "utf8"))
          t.deepEqual(pkgJson.devDependencies, {
            "underscore": "^1.3.1"
          }, "Underscore devDependency should specify ^1.3.1")
          npm.config.set("save-dev", undefined)
          s.close()
          t.end()
        })
      })
  })
})

test("npm install --save with \"~\" save-prefix should install local pkg versioned to allow patch updates", function (t) {
  resetPackageJSON(pkg)
  mr({port : common.port}, function (er, s) {
    npm.load({
      cache: pkg + "/cache",
      loglevel: "silent",
      registry: common.registry }, function (err) {
        t.ifError(err)
        npm.config.set("save", true)
        npm.config.set("save-prefix", "~")
        npm.commands.install(["underscore@1.3.1"], function (err) {
          t.ifError(err)
          var p = path.resolve(pkg, "node_modules/underscore/package.json")
          t.ok(JSON.parse(fs.readFileSync(p)))
          var pkgJson = JSON.parse(fs.readFileSync(pkg + "/package.json", "utf8"))
          t.deepEqual(pkgJson.dependencies, {
            "underscore": "~1.3.1"
          }, "Underscore dependency should specify ~1.3.1")
          npm.config.set("save", undefined)
          npm.config.set("save-prefix", undefined)
          s.close()
          t.end()
        })
      })
  })
})

test("npm install --save-dev with \"~\" save-prefix should install local pkg to dev dependencies versioned to allow patch updates", function (t) {
  resetPackageJSON(pkg)
  mr({port : common.port}, function (er, s) {
    npm.load({
      cache: pkg + "/cache",
      loglevel: "silent",
      registry: common.registry }, function (err) {
        t.ifError(err)
        npm.config.set("save-dev", true)
        npm.config.set("save-prefix", "~")
        npm.commands.install(["underscore@1.3.1"], function (err) {
          t.ifError(err)
          var p = path.resolve(pkg, "node_modules/underscore/package.json")
          t.ok(JSON.parse(fs.readFileSync(p)))
          var pkgJson = JSON.parse(fs.readFileSync(pkg + "/package.json", "utf8"))
          t.deepEqual(pkgJson.devDependencies, {
            "underscore": "~1.3.1"
          }, "Underscore devDependency should specify ~1.3.1")
          npm.config.set("save-dev", undefined)
          npm.config.set("save-prefix", undefined)
          s.close()
          t.end()
        })
      })
  })
})

test("cleanup", function (t) {
  process.chdir(__dirname)
  rimraf.sync(path.resolve(pkg, "node_modules"))
  rimraf.sync(path.resolve(pkg, "cache"))
  resetPackageJSON(pkg)
  t.end()
})

function resetPackageJSON(pkg) {
  var pkgJson = JSON.parse(fs.readFileSync(pkg + "/package.json", "utf8"))
  delete pkgJson.dependencies
  delete pkgJson.devDependencies
  delete pkgJson.optionalDependencies
  var json = JSON.stringify(pkgJson, null, 2) + "\n"
  fs.writeFileSync(pkg + "/package.json", json, "ascii")
}