#!/usr/bin/env bats
# tests/unit/config.bats — Config parsing tests

setup() {
  export JOSH_SYNC_ROOT="$(cd "$BATS_TEST_DIRNAME/../.." && pwd)"
  source "$JOSH_SYNC_ROOT/lib/core.sh"
  source "$JOSH_SYNC_ROOT/lib/config.sh"

  FIXTURES="$JOSH_SYNC_ROOT/tests/fixtures"
}

@test "parse_config loads multi-target config" {
  cd "$(mktemp -d)"
  cp "$FIXTURES/multi-target.yml" .josh-sync.yml

  parse_config ".josh-sync.yml"

  [ "$JOSH_PROXY_URL" = "https://josh.test.local" ]
  [ "$MONOREPO_PATH" = "org/monorepo" ]
  [ "$BOT_NAME" = "test-bot" ]
  [ "$BOT_EMAIL" = "test-bot@test.local" ]
  [ "$BOT_TRAILER" = "Josh-Sync-Origin" ]
}

@test "parse_config derives gitea_host from HTTPS URL" {
  cd "$(mktemp -d)"
  cp "$FIXTURES/multi-target.yml" .josh-sync.yml

  parse_config ".josh-sync.yml"

  local host
  host=$(echo "$JOSH_SYNC_TARGETS" | jq -r '.[0].gitea_host')
  [ "$host" = "gitea.test.local" ]
}

@test "parse_config derives gitea_host from SSH URL" {
  cd "$(mktemp -d)"
  cp "$FIXTURES/multi-target.yml" .josh-sync.yml

  parse_config ".josh-sync.yml"

  local host
  host=$(echo "$JOSH_SYNC_TARGETS" | jq -r '.[1].gitea_host')
  [ "$host" = "gitea.test.local" ]
}

@test "parse_config derives subrepo_repo_path from HTTPS URL" {
  cd "$(mktemp -d)"
  cp "$FIXTURES/multi-target.yml" .josh-sync.yml

  parse_config ".josh-sync.yml"

  local path
  path=$(echo "$JOSH_SYNC_TARGETS" | jq -r '.[0].subrepo_repo_path')
  [ "$path" = "ext/app-a" ]
}

@test "parse_config derives subrepo_repo_path from SSH URL" {
  cd "$(mktemp -d)"
  cp "$FIXTURES/multi-target.yml" .josh-sync.yml

  parse_config ".josh-sync.yml"

  local path
  path=$(echo "$JOSH_SYNC_TARGETS" | jq -r '.[1].subrepo_repo_path')
  [ "$path" = "ext/app-b" ]
}

@test "parse_config auto-derives josh_filter from subfolder when not set" {
  cd "$(mktemp -d)"
  cp "$FIXTURES/minimal.yml" .josh-sync.yml

  parse_config ".josh-sync.yml"

  local filter
  filter=$(echo "$JOSH_SYNC_TARGETS" | jq -r '.[0].josh_filter')
  [ "$filter" = ":/services/example" ]
}

@test "parse_config preserves explicit josh_filter" {
  cd "$(mktemp -d)"
  cp "$FIXTURES/multi-target.yml" .josh-sync.yml

  parse_config ".josh-sync.yml"

  local filter
  filter=$(echo "$JOSH_SYNC_TARGETS" | jq -r '.[0].josh_filter')
  [ "$filter" = ":/services/app-a" ]
}

@test "parse_config reports correct target count" {
  cd "$(mktemp -d)"
  cp "$FIXTURES/multi-target.yml" .josh-sync.yml

  parse_config ".josh-sync.yml"

  local count
  count=$(echo "$JOSH_SYNC_TARGETS" | jq 'length')
  [ "$count" -eq 2 ]
}

@test "parse_config fails on missing config file" {
  cd "$(mktemp -d)"
  run bash -c 'source "$JOSH_SYNC_ROOT/lib/core.sh"; source "$JOSH_SYNC_ROOT/lib/config.sh"; parse_config "nonexistent.yml"'
  [ "$status" -ne 0 ]
}

@test "parse_config fails when schema_version is missing (no v1 fallback)" {
  cd "$(mktemp -d)"
  cat > .josh-sync.yml <<'YAML'
josh:
  proxy_url: "https://josh.test.local"
  monorepo_path: "org/repo"
  monorepo_url: "git@gitea.test.local:org/repo.git"
targets:
  - name: "x"
    subfolder: "x"
    subrepo_url: "git@gitea.test.local:ext/x.git"
    branches: { main: main }
bot:
  name: "b"
  email: "b@b"
  trailer: "T"
YAML
  run bash -c 'source "$JOSH_SYNC_ROOT/lib/core.sh"; source "$JOSH_SYNC_ROOT/lib/config.sh"; parse_config ".josh-sync.yml"'
  [ "$status" -ne 0 ]
  [[ "$output" == *"schema_version missing"* ]]
}

@test "parse_config rejects schema_version: 1" {
  cd "$(mktemp -d)"
  cat > .josh-sync.yml <<'YAML'
schema_version: 1
josh:
  proxy_url: "https://josh.test.local"
  monorepo_path: "org/repo"
  monorepo_url: "git@gitea.test.local:org/repo.git"
targets:
  - name: "x"
    subfolder: "x"
    subrepo_url: "git@gitea.test.local:ext/x.git"
    branches: { main: main }
bot:
  name: "b"
  email: "b@b"
  trailer: "T"
YAML
  run bash -c 'source "$JOSH_SYNC_ROOT/lib/core.sh"; source "$JOSH_SYNC_ROOT/lib/config.sh"; parse_config ".josh-sync.yml"'
  [ "$status" -ne 0 ]
  [[ "$output" == *"Unsupported schema_version"* ]] || [[ "$output" == *"requires schema_version 2"* ]]
}

@test "parse_config fails when josh.monorepo_url is missing" {
  cd "$(mktemp -d)"
  cat > .josh-sync.yml <<'YAML'
schema_version: 2
josh:
  proxy_url: "https://josh.test.local"
  monorepo_path: "org/repo"
targets:
  - name: "x"
    subfolder: "x"
    subrepo_url: "git@gitea.test.local:ext/x.git"
    branches: { main: main }
bot:
  name: "b"
  email: "b@b"
  trailer: "T"
YAML
  run bash -c 'source "$JOSH_SYNC_ROOT/lib/core.sh"; source "$JOSH_SYNC_ROOT/lib/config.sh"; parse_config ".josh-sync.yml"'
  [ "$status" -ne 0 ]
  [[ "$output" == *"monorepo_url"* ]]
}

@test "parse_config exports MONOREPO_URL, MONOREPO_AUTH, MONOREPO_GITEA_HOST, MONOREPO_REPO_PATH from SSH form" {
  cd "$(mktemp -d)"
  cp "$FIXTURES/minimal.yml" .josh-sync.yml

  parse_config ".josh-sync.yml"

  [ "$MONOREPO_URL" = "git@gitea.test.local:org/repo.git" ]
  [ "$MONOREPO_AUTH" = "https" ]
  [ "$MONOREPO_GITEA_HOST" = "gitea.test.local" ]
  [ "$MONOREPO_REPO_PATH" = "org/repo" ]
}

@test "parse_config derives MONOREPO_GITEA_HOST from HTTPS monorepo_url" {
  cd "$(mktemp -d)"
  cat > .josh-sync.yml <<'YAML'
schema_version: 2
josh:
  proxy_url: "https://josh.test.local"
  monorepo_path: "org/repo"
  monorepo_url: "https://gitea.example.io/org/repo.git"
targets:
  - name: "x"
    subfolder: "x"
    subrepo_url: "git@gitea.test.local:ext/x.git"
    branches: { main: main }
bot:
  name: "b"
  email: "b@b"
  trailer: "T"
YAML
  parse_config ".josh-sync.yml"
  [ "$MONOREPO_GITEA_HOST" = "gitea.example.io" ]
  [ "$MONOREPO_REPO_PATH" = "org/repo" ]
}

@test "parse_config derives MONOREPO_API from monorepo_url's host (cross-host: monorepo and target on different hosts)" {
  cd "$(mktemp -d)"
  cat > .josh-sync.yml <<'YAML'
schema_version: 2
josh:
  proxy_url: "https://josh.example.io"
  monorepo_path: "org/repo"
  monorepo_url: "git@code.example.io:org/repo.git"
targets:
  - name: "x"
    subfolder: "x"
    subrepo_url: "git@other-host.io:ext/x.git"
    branches: { main: main }
bot:
  name: "b"
  email: "b@b"
  trailer: "T"
YAML
  parse_config ".josh-sync.yml"
  [ "$MONOREPO_API" = "https://code.example.io/api/v1/repos/org/repo" ]
}

@test "parse_config rejects invalid monorepo_auth value" {
  cd "$(mktemp -d)"
  cat > .josh-sync.yml <<'YAML'
schema_version: 2
josh:
  proxy_url: "https://josh.test.local"
  monorepo_path: "org/repo"
  monorepo_url: "git@gitea.test.local:org/repo.git"
  monorepo_auth: "weird"
targets:
  - name: "x"
    subfolder: "x"
    subrepo_url: "git@gitea.test.local:ext/x.git"
    branches: { main: main }
bot:
  name: "b"
  email: "b@b"
  trailer: "T"
YAML
  run bash -c 'source "$JOSH_SYNC_ROOT/lib/core.sh"; source "$JOSH_SYNC_ROOT/lib/config.sh"; parse_config ".josh-sync.yml"'
  [ "$status" -ne 0 ]
  [[ "$output" == *"monorepo_auth"* ]]
}