package config

import (
	"os"
	"testing"

	"git.dotya.ml/mirre-mt/pcmt/slogging"
)

func TestConfig(t *testing.T) {
	if os.Getenv("CI") == "true" {
		t.Skip("we're running in CI apparently, skipping these tests")
	}

	confPath := "./testdata/"
	ts := []struct {
		name   string
		fails  bool
		isPath bool
		conf   string
	}{
		{
			// incorrect type of the `Host` field.
			name:   "1.dhall",
			fails:  true,
			isPath: true,
			conf:   "1.dhall",
		},
		{
			name:   "2.dhall",
			fails:  false,
			isPath: true,
			conf:   "2.dhall",
		},
		{
			name:   "3.dhall",
			fails:  false,
			isPath: false,
			conf: `
			let ConfigSchema =
				  https://git.dotya.ml/mirre-mt/pcmt-config-schema/raw/tag/0.0.0/package.dhall
					sha256:c82b0904c261d442e5765c2f47d76ad53c3c3ed16ace1b33416cedf98f2f5df0
				  ? https://git.dotya.ml/mirre-mt/pcmt-config-schema/raw/tag/0.0.0/package.dhall

			let Config = ConfigSchema.Schema

			let c = Config::{ DevelMode = True }

			in  c
			`,
		},
		{
			// misses final `in`.
			name:   "4.dhall",
			fails:  true,
			isPath: false,
			conf: `
			let ConfigSchema =
				  https://git.dotya.ml/mirre-mt/pcmt-config-schema/raw/tag/0.0.0/package.dhall
					sha256:c82b0904c261d442e5765c2f47d76ad53c3c3ed16ace1b33416cedf98f2f5df0
				  ? https://git.dotya.ml/mirre-mt/pcmt-config-schema/raw/tag/0.0.0/package.dhall

			let Config = ConfigSchema.Schema

			let c = Config::{ DevelMode = True }
			`,
		},
		{
			name:   "5.dhall",
			fails:  false,
			isPath: false,
			conf: `
			let ConfigSchema =
				  https://git.dotya.ml/mirre-mt/pcmt-config-schema/raw/tag/0.0.0/package.dhall
				  sha256:c82b0904c261d442e5765c2f47d76ad53c3c3ed16ace1b33416cedf98f2f5df0
			in ConfigSchema.Schema::{ DevelMode = True, Port = 5555 }
			`,
		},
		{
			name:   "6.dhall",
			fails:  false,
			isPath: false,
			conf: `
			let ConfigSchema =
				  https://git.dotya.ml/mirre-mt/pcmt-config-schema/raw/tag/0.0.0/package.dhall
				  sha256:c82b0904c261d442e5765c2f47d76ad53c3c3ed16ace1b33416cedf98f2f5df0
			in ConfigSchema.Schema.default // { DevelMode = True }
			`,
		},
	}

	_ = slogging.Init(false)

	for _, tc := range ts {
		t.Logf("running test case %s", tc.name)

		var err error

		shouldFail := tc.fails

		if tc.isPath {
			_, err = Load(confPath+tc.conf, tc.isPath)
		} else {
			_, err = Load(tc.conf, tc.isPath)
		}

		switch {
		case err == nil && shouldFail:
			t.Errorf("test case '%s' should have failed", tc.name)

		case err != nil && !shouldFail:
			t.Log(err)
			t.Errorf("test case '%s' should not have failed", tc.name)
		}
	}
}