import Spectre
import PathKit
import XcodeGenKit
import xcproj
import ProjectSpec

func specLoadingTests() {

    @discardableResult
    func getProjectSpec(_ spec: [String: Any]) throws -> ProjectSpec {
        var specDictionary: [String: Any] = ["name": "test"]
        for (key, value) in spec {
            specDictionary[key] = value
        }
        return try ProjectSpec(jsonDictionary: specDictionary)
    }

    func expectProjectSpecError(_ spec: [String: Any], _ expectedError: ProjectSpecError) throws {
        try expectError(expectedError) {
            try getProjectSpec(spec)
        }
    }

    func expectTargetError(_ target: [String: Any], _ expectedError: ProjectSpecError) throws {
        try expectError(expectedError) {
            _ = try Target(name: "test", jsonDictionary: target)
        }
    }

    let validTarget: [String: Any] = ["type": "application", "platform": "iOS"]
    let invalid = "invalid"

    describe("Spec Loader") {
        $0.it("merges includes") {
            let path = fixturePath + "include_test.yml"
            let spec = try SpecLoader.loadSpec(path: path)

            try expect(spec.name) == "NewName"
            try expect(spec.settingGroups) == [
                "test": Settings(dictionary: ["MY_SETTING1": "NEW VALUE", "MY_SETTING2": "VALUE2", "MY_SETTING3": "VALUE3"]),
                "new": Settings(dictionary: ["MY_SETTING": "VALUE"]),
                "toReplace": Settings(dictionary: ["MY_SETTING2": "VALUE2"]),
            ]
            try expect(spec.targets) == [
                Target(name: "IncludedTargetNew", type: .application, platform: .tvOS, sources: ["NewSource"]),
                Target(name: "NewTarget", type: .application, platform: .iOS),
            ]
        }
    }

    describe("Project Spec") {

        $0.it("fails with incorrect platform") {
            var target = validTarget
            target["platform"] = invalid
            try expectTargetError(target, .unknownTargetPlatform(invalid))
        }

        $0.it("fails with incorrect product type") {
            var target = validTarget
            target["type"] = invalid
            try expectTargetError(target, .unknownTargetType(invalid))
        }

        $0.it("fails with invalid dependency") {
            var target = validTarget
            target["dependencies"] = [[invalid: "name"]]
            try expectTargetError(target, .invalidDependency([invalid: "name"]))
        }

        $0.it("parses target dependencies") {
            var targetDictionary = validTarget
            targetDictionary["dependencies"] = [
                ["target": "name", "embed": false],
                ["carthage": "name"],
                ["framework": "path"],
            ]
            let target = try Target(name: "test", jsonDictionary: targetDictionary)
            try expect(target.dependencies.count) == 3
            try expect(target.dependencies[0]) == Dependency(type: .target, reference: "name", embed: false)
            try expect(target.dependencies[1]) == Dependency(type: .carthage, reference: "name")
            try expect(target.dependencies[2]) == Dependency(type: .framework, reference: "path")
        }

        $0.it("parsed cross platform targets") {
            let targetDictionary: [String: Any] = [
                "platform": ["iOS", "tvOS"],
                "type": "framework",
                "sources": ["Framework", "Framework $platform"],
                "settings": ["SETTING": "value_$platform"],
            ]

            let spec = try getProjectSpec(["targets": ["Framework": targetDictionary]])
            var target_iOS = Target(name: "Framework_iOS", type: .framework, platform: .iOS)
            var target_tvOS = Target(name: "Framework_tvOS", type: .framework, platform: .tvOS)

            target_iOS.sources = ["Framework", "Framework iOS"]
            target_tvOS.sources = ["Framework", "Framework tvOS"]
            target_iOS.settings = ["PRODUCT_NAME": "Framework", "SETTING": "value_iOS"]
            target_tvOS.settings = ["PRODUCT_NAME": "Framework", "SETTING": "value_tvOS"]

            try expect(spec.targets.count) == 2
            try expect(spec.targets) == [target_iOS, target_tvOS]
        }

        $0.it("parses schemes") {
            let schemeDictionary: [String: Any] = [
                "build": ["targets": [
                    ["target": "Target"],
                    ["target": "Target", "buildTypes": "testing"],
                    ["target": "Target", "buildTypes": "none"],
                    ["target": "Target", "buildTypes": "all"],
                    ["target": "Target", "buildTypes": ["testing": true]],
                    ["target": "Target", "buildTypes": ["testing": false]],
                ]],
            ]
            let scheme = try Scheme(name: "Scheme", jsonDictionary: schemeDictionary)
            let expectedTargets: [Scheme.BuildTarget] = [
                Scheme.BuildTarget(target: "Target", buildTypes: BuildType.all),
                Scheme.BuildTarget(target: "Target", buildTypes: [.testing, .analyzing]),
                Scheme.BuildTarget(target: "Target", buildTypes: []),
                Scheme.BuildTarget(target: "Target", buildTypes: BuildType.all),
                Scheme.BuildTarget(target: "Target", buildTypes: [.testing]),
                Scheme.BuildTarget(target: "Target", buildTypes: []),
            ]
            try expect(scheme.name) == "Scheme"
            try expect(scheme.build.targets) == expectedTargets
        }

        $0.it("parses settings") {
            let spec = try ProjectSpec(path: fixturePath + "settings_test.yml")
            let buildSettings: BuildSettings = ["SETTING": "value"]
            let configSettings: [String: Settings] = ["config1": Settings(buildSettings: ["SETTING1": "value"])]
            let groups = ["preset1"]

            let preset1 = Settings(buildSettings: buildSettings, configSettings: [:], groups: [])
            let preset2 = Settings(buildSettings: [:], configSettings: configSettings, groups: [])
            let preset3 = Settings(buildSettings: buildSettings, configSettings: configSettings, groups: [])
            let preset4 = Settings(buildSettings: buildSettings, configSettings: [:], groups: [])
            let preset5 = Settings(buildSettings: buildSettings, configSettings: [:], groups: groups)
            let preset6 = Settings(buildSettings: buildSettings, configSettings: configSettings, groups: groups)
            let preset7 = Settings(buildSettings: buildSettings, configSettings: ["config1": Settings(buildSettings: buildSettings, groups: groups)])
            let preset8 = Settings(buildSettings: [:], configSettings: ["config1": Settings(configSettings: configSettings)])

            try expect(spec.settingGroups.count) == 8
            try expect(spec.settingGroups["preset1"]) == preset1
            try expect(spec.settingGroups["preset2"]) == preset2
            try expect(spec.settingGroups["preset3"]) == preset3
            try expect(spec.settingGroups["preset4"]) == preset4
            try expect(spec.settingGroups["preset5"]) == preset5
            try expect(spec.settingGroups["preset6"]) == preset6
            try expect(spec.settingGroups["preset7"]) == preset7
            try expect(spec.settingGroups["preset8"]) == preset8
        }

        $0.it("parses run scripts") {
            var target = validTarget
            let scripts: [[String: Any]] = [
                ["path": "script.sh"],
                ["script": "shell script\ndo thing", "name": "myscript", "inputFiles": ["file", "file2"], "outputFiles": ["file", "file2"], "shell": "bin/customshell", "runOnlyWhenInstalling": true],
            ]
            target["prebuildScripts"] = scripts
            target["postbuildScripts"] = scripts

            let expectedScripts = [
                BuildScript(script: .path("script.sh")),
                BuildScript(script: .script("shell script\ndo thing"), name: "myscript", inputFiles: ["file", "file2"], outputFiles: ["file", "file2"], shell: "bin/customshell", runOnlyWhenInstalling: true),
            ]

            let parsedTarget = try Target(name: "test", jsonDictionary: target)
            try expect(parsedTarget.prebuildScripts) == expectedScripts
            try expect(parsedTarget.postbuildScripts) == expectedScripts
        }

        $0.it("parses options") {
            var options = ProjectSpec.Options()
            options.carthageBuildPath = "../Carthage/Build"
            options.bundleIdPrefix = "com.test"
            let expected = ProjectSpec(name: "test", options: options)
            let parsedSpec = try getProjectSpec(["options": ["carthageBuildPath": "../Carthage/Build", "bundleIdPrefix": "com.test"]])
            try expect(parsedSpec) == expected
        }
    }
}