var common = require("../common-tap.js")
var test = require("tap").test
var osenv = require("osenv")
var path = require("path")
var fs = require("fs")
var rimraf = require("rimraf")
var mkdirp = require("mkdirp")
var tmp = osenv.tmpdir()
var t1dir = path.resolve(tmp, "view-local-no-pkg")
var t2dir = path.resolve(tmp, "view-local-notmine")
var t3dir = path.resolve(tmp, "view-local-mine")
var mr = require("npm-registry-mock")

test("setup", function(t) {
  mkdirp.sync(t1dir)
  mkdirp.sync(t2dir)
  mkdirp.sync(t3dir)

  fs.writeFileSync(t2dir + "/package.json", JSON.stringify({
    author: "Evan Lucas"
  , name: "test-repo-url-https"
  , version: "0.0.1"
  }), "utf8")

  fs.writeFileSync(t3dir + "/package.json", JSON.stringify({
    author: "Evan Lucas"
  , name: "biscuits"
  , version: "0.0.1"
  }), "utf8")

  t.pass("created fixtures")
  t.end()
})

test("npm view . in global mode", function(t) {
  process.chdir(t1dir)
  common.npm([
    "view"
  , "."
  , "--registry=" + common.registry
  , "--global"
  ], { cwd: t1dir }, function(err, code, stdout, stderr) {
    t.ifError(err, "error should not exist")
    t.equal(code, 1, "exit not ok")
    t.similar(stderr, /Cannot use view command in global mode./m)
    t.end()
  })
})

test("npm view . with no package.json", function(t) {
  process.chdir(t1dir)
  common.npm([
    "view"
  , "."
  , "--registry=" + common.registry
  ], { cwd: t1dir }, function(err, code, stdout, stderr) {
    t.ifError(err, "error should not exist")
    t.equal(code, 1, "exit not ok")
    t.similar(stderr, /Invalid package.json/m)
    t.end()
  })
})

test("npm view . with no published package", function(t) {
  process.chdir(t3dir)
  mr(common.port, function(s) {
    common.npm([
      "view"
    , "."
    , "--registry=" + common.registry
    ], { cwd: t3dir }, function(err, code, stdout, stderr) {
      t.ifError(err, "error should not exist")
      t.equal(code, 1, "exit not ok")
      t.similar(stderr, /version not found/m)
      s.close()
      t.end()
    })
  })
})

test("npm view .", function(t) {
  process.chdir(t2dir)
  mr(common.port, function(s) {
    common.npm([
      "view"
    , "."
    , "--registry=" + common.registry
    ], { cwd: t2dir }, function(err, code, stdout) {
      t.ifError(err, "error should not exist")
      t.equal(code, 0, "exit ok")
      var re = new RegExp("name: 'test-repo-url-https'")
      t.similar(stdout, re)
      s.close()
      t.end()
    })
  })
})

test("npm view . select fields", function(t) {
  process.chdir(t2dir)
  mr(common.port, function(s) {
    common.npm([
      "view"
    , "."
    , "main"
    , "--registry=" + common.registry
    ], { cwd: t2dir }, function(err, code, stdout) {
      t.ifError(err, "error should not exist")
      t.equal(code, 0, "exit ok")
      t.equal(stdout.trim(), "index.js", "should print `index.js`")
      s.close()
      t.end()
    })
  })
})

test("npm view .@<version>", function(t) {
  process.chdir(t2dir)
  mr(common.port, function(s) {
    common.npm([
      "view"
    , ".@0.0.0"
    , "version"
    , "--registry=" + common.registry
    ], { cwd: t2dir }, function(err, code, stdout) {
      t.ifError(err, "error should not exist")
      t.equal(code, 0, "exit ok")
      t.equal(stdout.trim(), "0.0.0", "should print `0.0.0`")
      s.close()
      t.end()
    })
  })
})

test("npm view .@<version> --json", function(t) {
  process.chdir(t2dir)
  mr(common.port, function(s) {
    common.npm([
      "view"
    , ".@0.0.0"
    , "version"
    , "--json"
    , "--registry=" + common.registry
    ], { cwd: t2dir }, function(err, code, stdout) {
      t.ifError(err, "error should not exist")
      t.equal(code, 0, "exit ok")
      t.equal(stdout.trim(), "\"0.0.0\"", "should print `\"0.0.0\"`")
      s.close()
      t.end()
    })
  })
})

test("npm view <package name>", function(t) {
  mr(common.port, function(s) {
    common.npm([
      "view"
    , "underscore"
    , "--registry=" + common.registry
    ], { cwd: t2dir }, function(err, code, stdout) {
      t.ifError(err, "error should not exist")
      t.equal(code, 0, "exit ok")
      var re = new RegExp("name: 'underscore'")
      t.similar(stdout, re, "should have name `underscore`")
      s.close()
      t.end()
    })
  })
})

test("npm view <package name> --json", function(t) {
  t.plan(3)
  mr(common.port, function(s) {
    common.npm([
      "view"
    , "underscore"
    , "--json"
    , "--registry=" + common.registry
    ], { cwd: t2dir }, function(err, code, stdout) {
      s.close()
      t.ifError(err, "error should not exist")
      t.equal(code, 0, "exit ok")
      try {
        var out = JSON.parse(stdout.trim())
        t.similar(out, {
          maintainers: "jashkenas <jashkenas@gmail.com>"
        }, "should have the same maintainer")
      }
      catch (er) {
        t.fail("Unable to parse JSON")
      }
    })
  })
})

test("npm view <package name> <field>", function(t) {
  mr(common.port, function(s) {
    common.npm([
      "view"
    , "underscore"
    , "homepage"
    , "--registry=" + common.registry
    ], { cwd: t2dir }, function(err, code, stdout) {
      t.ifError(err, "error should not exist")
      t.equal(code, 0, "exit ok")
      t.equal(stdout.trim(), "http://underscorejs.org",
        "homepage should equal `http://underscorejs.org`")
      s.close()
      t.end()
    })
  })
})

test("cleanup", function(t) {
  process.chdir(osenv.tmpdir())
  rimraf.sync(t1dir)
  rimraf.sync(t2dir)
  rimraf.sync(t3dir)
  t.pass("cleaned up")
  t.end()
})
