package logic

// Team represents a football team.
type Team struct {
	Name  string `json:"name"`
	Group string `json:"group"` // e.g., "A", "B", ..., "L"
}

// Match represents a group stage match between two teams.
type Match struct {
	TeamA       string `json:"team_a"`
	TeamB       string `json:"team_b"`
	IsCompleted bool   `json:"is_completed"`
	ScoreA      int    `json:"score_a"`
	ScoreB      int    `json:"score_b"`
}

// ScoreOutcome represents a possible match score and its probability.
type ScoreOutcome struct {
	ScoreA      int     `json:"score_a"`
	ScoreB      int     `json:"score_b"`
	Probability float64 `json:"probability"`
}

// TeamStats holds the metrics used to rank teams within a group or across third-place teams.
type TeamStats struct {
	TeamName       string
	Points         int
	GoalDifference int
	GoalsScored    int
	// Fields used for tie-breaking comparison within the group
	H2HPoints int
	H2HGD     int
	H2HGS     int
}

// TeamProbability represents the calculated qualification probabilities for a single team.
type TeamProbability struct {
	TeamName       string  `json:"team_name"`
	Group          string  `json:"group"`
	DirectQualProb float64 `json:"direct_qual_prob"`
	ThirdQualProb  float64 `json:"third_qual_prob"`
	TotalQualProb  float64 `json:"total_qual_prob"`
}